Guest domains dying and resurrecting

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Guest domains dying and resurrecting

David F Barrera
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=317

           Summary: Guest domains dying and resurrecting
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]
                CC: [hidden email],[hidden email]


I am seeing guest domains die and resurrect. This is happening on a non-
PAE x86 SLES 9 SP2 build, using the following changeset:

changeset:   7313:4e335372ace8
tag:         tip
parent:      7312:713328270fb3
parent:      7308:959d33fbd660
user:        emellor@ewan
date:        Tue Oct 11 09:23:19 2005 +0100
summary:     Merged.

Machine: IBM xSeries 235, 1GB RAM, SCSI drives.

This is what 'xm list' shows initially:

Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
Domain-0           0       120    0      1  r-----    899.8
vm1                1       127    1      1  -b----    684.8
vm2                2       127    1      1  -b----    555.7

Later on, the domain IDs have incremented. I have neither manually
stopped nor started any guest domains:

Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
Domain-0           0       121    0      1  r-----   1171.5
vm1                3       126    1      1  -b----    163.4
vm2                5       126    1      1  -b----     11.0


x235:/tmp/xen-unstable.hg # xm dmesg
(XEN)  Phys-Mach map: c0633000->c0652400
(XEN)  Start info:    c0653000->c0654000
(XEN)  Page tables:   c0654000->c0657000
(XEN)  Boot stack:    c0657000->c0658000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing Free RAM: ...........done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen).
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000f8
(XEN) gnttab_transfer: invalid pfn for mfn=7d45001
(XEN) gnttab_transfer: xen heap frame mfn=0
(XEN) gnttab_transfer: Bad page values 00003093: ed=ffbf5080(0),
sd=ffbf5080,
caf=80000002, taf=f0000001
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) (file=/tmp/xen-unstable.hg/xen/include/asm/mm.h, line=203) Error
pfn 0:
rd=ffbe2080, od=ffbfb080, caf=80000002, taf=f0000002
(XEN) DOM1: (file=mm.c, line=350) Could not get page ref for pfn 0
(XEN) DOM1: (file=mm.c, line=2220) Could not get page for mach->phys
update
(XEN) (file=grant_table.c, line=1016) Bad flags (0) or dom (0). (NB.
expected dom 0)
(XEN) (file=grant_table.c, line=791) gnttab_transfer: Transferee has no
reservation headroom (32653,32768) or provided a bad grant ref
(00000001) or is
dying (11)
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) (file=/tmp/xen-unstable.hg/xen/include/asm/mm.h, line=203) Error
pfn 0:
rd=ff1ab080, od=ffbfb080, caf=80000002, taf=f0000002
(XEN) DOM2: (file=mm.c, line=350) Could not get page ref for pfn 0
(XEN) DOM2: (file=mm.c, line=2220) Could not get page for mach->phys
update
(XEN) (file=grant_table.c, line=1016) Bad flags (0) or dom (0). (NB.
expected dom 0)
(XEN) (file=grant_table.c, line=791) gnttab_transfer: Transferee has no
reservation headroom (32527,32768) or provided a bad grant ref
(00000001) or is
dying (11)
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 00000000
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000c0
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 0000009f
(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
space 000000f8
--------------------------

snippet of xend.log:

x235:/tmp/xen-unstable.hg # xm log | tail
[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:817)
XendDomainInfo.update done
on domain 3: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda9 ro'], ['vcpus', '1'],
['vcpus',
'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
'dying': 0,
'on_reboot': 'restart', 'maxmem_KiB': 130028, 'cpu_weight': 1.0,
'blocked': 1,
'shutdown_reason': 0, 'start_time': 1129064038.3464611, 'on_poweroff':
'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
[('vbd',
['vbd', ['uname', 'phy:sda9'], ['dev', '0809'], ['mode', 'w']]), ('vbd',
['vbd',
['uname', 'phy:sda8'], ['dev', '0808'], ['mode', 'w']]), ('vif', ['vif',
['mac',
'aa:00:00:54:7e:53']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None,
'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
'cpu_time':
163375805984L, 'ssidref': 0, 'memory_KiB': 130028, 'name': 'vm1', 'dom':
3,
'vcpus': 1, 'cpu': 1}
[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:805)
XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1], 'cpu_time': 10995483377L, 'ssidref': 0, 'shutdown_reason': 0,
'dying':
0, 'dom': 5, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
0,
'vcpus': 1, 'shutdown': 0, 'mem_kb': 129724, 'cpumap': [2, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'blocked': 1}) on domain 5
[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:817)
XendDomainInfo.update done
on domain 5: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda11 ro'], ['vcpus', '1'],
['vcpus',
'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
'dying': 0,
'on_reboot': 'restart', 'maxmem_KiB': 129724, 'cpu_weight': 1.0,
'blocked': 1,
'shutdown_reason': 0, 'start_time': 1129064464.6330609, 'on_poweroff':
'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
[('vbd',
['vbd', ['uname', 'phy:sda10'], ['dev', '080A'], ['mode', 'w']]),
('vbd',
['vbd', ['uname', 'phy:sda11'], ['dev', '080B'], ['mode', 'w']]),
('vif',
['vif', ['mac', 'aa:00:00:44:ee:5a']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0,
0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'bootloader': None, 'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1], 'cpu_time': 10995483377L, 'ssidref': 0, 'memory_KiB': 129724,
'name':
'vm2', 'dom': 5, 'vcpus': 1, 'cpu': 1}
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
XendDomainInfo.update({'vcpu_to_cpu': [0, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1], 'cpu_time': 1659447559704L, 'ssidref': 0, 'shutdown_reason': 0,
'dying': 0, 'dom': 0, 'running': 1, 'maxmem_kb': -4, 'paused': 0,
'crashed': 0,
'vcpus': 1, 'shutdown': 0, 'mem_kb': 124504, 'cpumap': [-1, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'blocked': 0}) on domain 0
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
XendDomainInfo.update done
on domain 0: {'vcpu_avail': 1, 'image': None, 'paused': 0, 'shutdown':
0,
'blocked': 0, 'dying': 0, 'on_reboot': 'restart', 'maxmem_KiB': 124504,
'cpu_weight': 1.0, 'backend': [], 'shutdown_reason': 0, 'on_poweroff':
'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 1, 'device':
[],
'cpumap': [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None, 'vcpu_to_cpu': [0, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1], 'cpu_time': 1659447559704L, 'ssidref':
0,
'memory_KiB': 124504, 'name': 'Domain-0', 'dom': 0, 'vcpus': 1, 'cpu':
None}
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1], 'cpu_time': 422284233074L, 'ssidref': 0, 'shutdown_reason': 0,
'dying':
0, 'dom': 3, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
0,
'vcpus': 1, 'shutdown': 0, 'mem_kb': 130016, 'cpumap': [2, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'blocked': 1}) on domain 3
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
XendDomainInfo.update done
on domain 3: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda9 ro'], ['vcpus', '1'],
['vcpus',
'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
'dying': 0,
'on_reboot': 'restart', 'maxmem_KiB': 130016, 'cpu_weight': 1.0,
'blocked': 1,
'shutdown_reason': 0, 'start_time': 1129064038.3464611, 'on_poweroff':
'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
[('vbd',
['vbd', ['uname', 'phy:sda9'], ['dev', '0809'], ['mode', 'w']]), ('vbd',
['vbd',
['uname', 'phy:sda8'], ['dev', '0808'], ['mode', 'w']]), ('vif', ['vif',
['mac',
'aa:00:00:54:7e:53']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None,
'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
'cpu_time':
422284233074L, 'ssidref': 0, 'memory_KiB': 130016, 'name': 'vm1', 'dom':
3,
'vcpus': 1, 'cpu': 1}
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1], 'cpu_time': 11815412462L, 'ssidref': 0, 'shutdown_reason': 0,
'dying':
0, 'dom': 5, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
0,
'vcpus': 1, 'shutdown': 0, 'mem_kb': 129216, 'cpumap': [2, 0, 0, 0, 0,
0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'blocked': 1}) on domain 5
[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
XendDomainInfo.update done
on domain 5: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda11 ro'], ['vcpus', '1'],
['vcpus',
'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
'dying': 0,
'on_reboot': 'restart', 'maxmem_KiB': 129216, 'cpu_weight': 1.0,
'blocked': 1,
'shutdown_reason': 0, 'start_time': 1129064464.6330609, 'on_poweroff':
'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
[('vbd',
['vbd', ['uname', 'phy:sda10'], ['dev', '080A'], ['mode', 'w']]),
('vbd',
['vbd', ['uname', 'phy:sda11'], ['dev', '080B'], ['mode', 'w']]),
('vif',
['vif', ['mac', 'aa:00:00:44:ee:5a']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0,
0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
'bootloader': None, 'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1,
-1], 'cpu_time': 11815412462L, 'ssidref': 0, 'memory_KiB': 129216,
'name':
'vm2', 'dom': 5, 'vcpus': 1, 'cpu': 1}
--
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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Re: Guest domains dying and resurrecting

Anthony Liguori
David F Barrera wrote:

>http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=317
>
>           Summary: Guest domains dying and resurrecting
>           Product: Xen
>           Version: unstable
>          Platform: x86
>        OS/Version: Linux
>            Status: NEW
>          Severity: normal
>          Priority: P2
>         Component: Hypervisor
>        AssignedTo: [hidden email]
>        ReportedBy: [hidden email]
>                CC: [hidden email],[hidden email]
>
>
>I am seeing guest domains die and resurrect. This is happening on a non-
>PAE x86 SLES 9 SP2 build, using the following changeset:
>  
>
Hehe, does this make the domains "undead" :-)

Seriously though, have you updated your config files for the new reboot
options?  You may be seeing autorebooting which is actually a feature.

Regards,

Anthony Liguori

>changeset:   7313:4e335372ace8
>tag:         tip
>parent:      7312:713328270fb3
>parent:      7308:959d33fbd660
>user:        emellor@ewan
>date:        Tue Oct 11 09:23:19 2005 +0100
>summary:     Merged.
>
>Machine: IBM xSeries 235, 1GB RAM, SCSI drives.
>
>This is what 'xm list' shows initially:
>
>Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
>Domain-0           0       120    0      1  r-----    899.8
>vm1                1       127    1      1  -b----    684.8
>vm2                2       127    1      1  -b----    555.7
>
>Later on, the domain IDs have incremented. I have neither manually
>stopped nor started any guest domains:
>
>Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
>Domain-0           0       121    0      1  r-----   1171.5
>vm1                3       126    1      1  -b----    163.4
>vm2                5       126    1      1  -b----     11.0
>
>
>x235:/tmp/xen-unstable.hg # xm dmesg
>(XEN)  Phys-Mach map: c0633000->c0652400
>(XEN)  Start info:    c0653000->c0654000
>(XEN)  Page tables:   c0654000->c0657000
>(XEN)  Boot stack:    c0657000->c0658000
>(XEN)  TOTAL:         c0000000->c0800000
>(XEN)  ENTRY ADDRESS: c0100000
>(XEN) Scrubbing Free RAM: ...........done.
>(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
>input to Xen).
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000f8
>(XEN) gnttab_transfer: invalid pfn for mfn=7d45001
>(XEN) gnttab_transfer: xen heap frame mfn=0
>(XEN) gnttab_transfer: Bad page values 00003093: ed=ffbf5080(0),
>sd=ffbf5080,
>caf=80000002, taf=f0000001
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) (file=/tmp/xen-unstable.hg/xen/include/asm/mm.h, line=203) Error
>pfn 0:
>rd=ffbe2080, od=ffbfb080, caf=80000002, taf=f0000002
>(XEN) DOM1: (file=mm.c, line=350) Could not get page ref for pfn 0
>(XEN) DOM1: (file=mm.c, line=2220) Could not get page for mach->phys
>update
>(XEN) (file=grant_table.c, line=1016) Bad flags (0) or dom (0). (NB.
>expected dom 0)
>(XEN) (file=grant_table.c, line=791) gnttab_transfer: Transferee has no
>reservation headroom (32653,32768) or provided a bad grant ref
>(00000001) or is
>dying (11)
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM3: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM2: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) (file=/tmp/xen-unstable.hg/xen/include/asm/mm.h, line=203) Error
>pfn 0:
>rd=ff1ab080, od=ffbfb080, caf=80000002, taf=f0000002
>(XEN) DOM2: (file=mm.c, line=350) Could not get page ref for pfn 0
>(XEN) DOM2: (file=mm.c, line=2220) Could not get page for mach->phys
>update
>(XEN) (file=grant_table.c, line=1016) Bad flags (0) or dom (0). (NB.
>expected dom 0)
>(XEN) (file=grant_table.c, line=791) gnttab_transfer: Transferee has no
>reservation headroom (32527,32768) or provided a bad grant ref
>(00000001) or is
>dying (11)
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 00000000
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000c0
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 0000009f
>(XEN) DOM5: (file=mm.c, line=462) Non-privileged attempt to map I/O
>space 000000f8
>--------------------------
>
>snippet of xend.log:
>
>x235:/tmp/xen-unstable.hg # xm log | tail
>[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:817)
>XendDomainInfo.update done
>on domain 3: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
>'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda9 ro'], ['vcpus', '1'],
>['vcpus',
>'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
>'dying': 0,
>'on_reboot': 'restart', 'maxmem_KiB': 130028, 'cpu_weight': 1.0,
>'blocked': 1,
>'shutdown_reason': 0, 'start_time': 1129064038.3464611, 'on_poweroff':
>'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
>[('vbd',
>['vbd', ['uname', 'phy:sda9'], ['dev', '0809'], ['mode', 'w']]), ('vbd',
>['vbd',
>['uname', 'phy:sda8'], ['dev', '0808'], ['mode', 'w']]), ('vif', ['vif',
>['mac',
>'aa:00:00:54:7e:53']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None,
>'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
>'cpu_time':
>163375805984L, 'ssidref': 0, 'memory_KiB': 130028, 'name': 'vm1', 'dom':
>3,
>'vcpus': 1, 'cpu': 1}
>[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:805)
>XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1], 'cpu_time': 10995483377L, 'ssidref': 0, 'shutdown_reason': 0,
>'dying':
>0, 'dom': 5, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
>0,
>'vcpus': 1, 'shutdown': 0, 'mem_kb': 129724, 'cpumap': [2, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'blocked': 1}) on domain 5
>[2005-10-11 16:10:15 xend] DEBUG (XendDomainInfo:817)
>XendDomainInfo.update done
>on domain 5: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
>'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda11 ro'], ['vcpus', '1'],
>['vcpus',
>'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
>'dying': 0,
>'on_reboot': 'restart', 'maxmem_KiB': 129724, 'cpu_weight': 1.0,
>'blocked': 1,
>'shutdown_reason': 0, 'start_time': 1129064464.6330609, 'on_poweroff':
>'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
>[('vbd',
>['vbd', ['uname', 'phy:sda10'], ['dev', '080A'], ['mode', 'w']]),
>('vbd',
>['vbd', ['uname', 'phy:sda11'], ['dev', '080B'], ['mode', 'w']]),
>('vif',
>['vif', ['mac', 'aa:00:00:44:ee:5a']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0,
>0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'bootloader': None, 'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1], 'cpu_time': 10995483377L, 'ssidref': 0, 'memory_KiB': 129724,
>'name':
>'vm2', 'dom': 5, 'vcpus': 1, 'cpu': 1}
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
>XendDomainInfo.update({'vcpu_to_cpu': [0, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1], 'cpu_time': 1659447559704L, 'ssidref': 0, 'shutdown_reason': 0,
>'dying': 0, 'dom': 0, 'running': 1, 'maxmem_kb': -4, 'paused': 0,
>'crashed': 0,
>'vcpus': 1, 'shutdown': 0, 'mem_kb': 124504, 'cpumap': [-1, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'blocked': 0}) on domain 0
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
>XendDomainInfo.update done
>on domain 0: {'vcpu_avail': 1, 'image': None, 'paused': 0, 'shutdown':
>0,
>'blocked': 0, 'dying': 0, 'on_reboot': 'restart', 'maxmem_KiB': 124504,
>'cpu_weight': 1.0, 'backend': [], 'shutdown_reason': 0, 'on_poweroff':
>'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 1, 'device':
>[],
>'cpumap': [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None, 'vcpu_to_cpu': [0, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1], 'cpu_time': 1659447559704L, 'ssidref':
>0,
>'memory_KiB': 124504, 'name': 'Domain-0', 'dom': 0, 'vcpus': 1, 'cpu':
>None}
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
>XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1], 'cpu_time': 422284233074L, 'ssidref': 0, 'shutdown_reason': 0,
>'dying':
>0, 'dom': 3, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
>0,
>'vcpus': 1, 'shutdown': 0, 'mem_kb': 130016, 'cpumap': [2, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'blocked': 1}) on domain 3
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
>XendDomainInfo.update done
>on domain 3: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
>'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda9 ro'], ['vcpus', '1'],
>['vcpus',
>'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
>'dying': 0,
>'on_reboot': 'restart', 'maxmem_KiB': 130016, 'cpu_weight': 1.0,
>'blocked': 1,
>'shutdown_reason': 0, 'start_time': 1129064038.3464611, 'on_poweroff':
>'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
>[('vbd',
>['vbd', ['uname', 'phy:sda9'], ['dev', '0809'], ['mode', 'w']]), ('vbd',
>['vbd',
>['uname', 'phy:sda8'], ['dev', '0808'], ['mode', 'w']]), ('vif', ['vif',
>['mac',
>'aa:00:00:54:7e:53']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'bootloader': None,
>'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
>'cpu_time':
>422284233074L, 'ssidref': 0, 'memory_KiB': 130016, 'name': 'vm1', 'dom':
>3,
>'vcpus': 1, 'cpu': 1}
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:805)
>XendDomainInfo.update({'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1], 'cpu_time': 11815412462L, 'ssidref': 0, 'shutdown_reason': 0,
>'dying':
>0, 'dom': 5, 'running': 0, 'maxmem_kb': 130048, 'paused': 0, 'crashed':
>0,
>'vcpus': 1, 'shutdown': 0, 'mem_kb': 129216, 'cpumap': [2, 0, 0, 0, 0,
>0, 0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'blocked': 1}) on domain 5
>[2005-10-11 16:18:57 xend] DEBUG (XendDomainInfo:817)
>XendDomainInfo.update done
>on domain 5: {'vcpu_avail': 1, 'image': ['linux', ['kernel',
>'/boot/vmlinuz-2.6-xenU'], ['root', '/dev/sda11 ro'], ['vcpus', '1'],
>['vcpus',
>'1'], ['boot', 'c']], 'paused': 0, 'shutdown': 0, 'backend': [],
>'dying': 0,
>'on_reboot': 'restart', 'maxmem_KiB': 129216, 'cpu_weight': 1.0,
>'blocked': 1,
>'shutdown_reason': 0, 'start_time': 1129064464.6330609, 'on_poweroff':
>'destroy', 'on_crash': 'restart', 'crashed': 0, 'running': 0, 'device':
>[('vbd',
>['vbd', ['uname', 'phy:sda10'], ['dev', '080A'], ['mode', 'w']]),
>('vbd',
>['vbd', ['uname', 'phy:sda11'], ['dev', '080B'], ['mode', 'w']]),
>('vif',
>['vif', ['mac', 'aa:00:00:44:ee:5a']])], 'cpumap': [2, 0, 0, 0, 0, 0, 0,
>0, 0,
>0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
>'bootloader': None, 'vcpu_to_cpu': [1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
>-1, -1,
>-1], 'cpu_time': 11815412462L, 'ssidref': 0, 'memory_KiB': 129216,
>'name':
>'vm2', 'dom': 5, 'vcpus': 1, 'cpu': 1}
>  
>


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Re: Guest domains dying and resurrecting

Khoa Huynh
In reply to this post by David F Barrera

[hidden email] wrote on 10/11/2005 04:28:56 PM:

> changeset:   7313:4e335372ace8
> tag:         tip
> parent:      7312:713328270fb3
> parent:      7308:959d33fbd660
> user:        emellor@ewan
> date:        Tue Oct 11 09:23:19 2005 +0100
> summary:     Merged.
>
> Machine: IBM xSeries 235, 1GB RAM, SCSI drives.
>
> This is what 'xm list' shows initially:
>
> Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
> Domain-0           0       120    0      1  r-----    899.8
> vm1                1       127    1      1  -b----    684.8
> vm2                2       127    1      1  -b----    555.7
>
> Later on, the domain IDs have incremented. I have neither manually
> stopped nor started any guest domains:
>
> Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
> Domain-0           0       121    0      1  r-----   1171.5
> vm1                3       126    1      1  -b----    163.4
> vm2                5       126    1      1  -b----     11.0
>

This is because the domains crashed and then were restarted.
In the domain config file (in /etc/xen), the default is:
on_crash = restart
You can set on_crash = preserve to prevent the domains from
being restarted after they crash.

>
> x235:/tmp/xen-unstable.hg # xm dmesg
> (XEN)  Phys-Mach map: c0633000->c0652400
> (XEN)  Start info:    c0653000->c0654000
> (XEN)  Page tables:   c0654000->c0657000
> (XEN)  Boot stack:    c0657000->c0658000
> (XEN)  TOTAL:         c0000000->c0800000
> (XEN)  ENTRY ADDRESS: c0100000
> (XEN) Scrubbing Free RAM: ...........done.
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen).
> (XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
> space 00000000

I have seen this error previously on my system.  After making sure that
the domain config file is correct(several options have been changed),
and doing a 'make mrproper' before rebuilding Xen stuff, this error
went away (at least on my system).

Regards,

Khoa H.


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Re: Guest domains dying and resurrecting

David F Barrera
Thanks for the reply. My concern is why the domains are crashing. I'll
try to get more detail, as I saw the same situation this morning on the
same machine.

On Tue, 2005-10-11 at 17:36 -0500, Khoa Huynh wrote:

> [hidden email] wrote on 10/11/2005 04:28:56 PM:
>
> > changeset:   7313:4e335372ace8
> > tag:         tip
> > parent:      7312:713328270fb3
> > parent:      7308:959d33fbd660
> > user:        emellor@ewan
> > date:        Tue Oct 11 09:23:19 2005 +0100
> > summary:     Merged.
> >
> > Machine: IBM xSeries 235, 1GB RAM, SCSI drives.
> >
> > This is what 'xm list' shows initially:
> >
> > Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
> > Domain-0           0       120    0      1  r-----    899.8
> > vm1                1       127    1      1  -b----    684.8
> > vm2                2       127    1      1  -b----    555.7
> >
> > Later on, the domain IDs have incremented. I have neither manually
> > stopped nor started any guest domains:
> >
> > Name              ID  Mem(MiB)  CPU  VCPUs  State   Time(s)
> > Domain-0           0       121    0      1  r-----   1171.5
> > vm1                3       126    1      1  -b----    163.4
> > vm2                5       126    1      1  -b----     11.0
> >
>
> This is because the domains crashed and then were restarted.
> In the domain config file (in /etc/xen), the default is:
> on_crash = restart
> You can set on_crash = preserve to prevent the domains from
> being restarted after they crash.
>
> >
> > x235:/tmp/xen-unstable.hg # xm dmesg
> > (XEN)  Phys-Mach map: c0633000->c0652400
> > (XEN)  Start info:    c0653000->c0654000
> > (XEN)  Page tables:   c0654000->c0657000
> > (XEN)  Boot stack:    c0657000->c0658000
> > (XEN)  TOTAL:         c0000000->c0800000
> > (XEN)  ENTRY ADDRESS: c0100000
> > (XEN) Scrubbing Free RAM: ...........done.
> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> > input to Xen).
> > (XEN) DOM1: (file=mm.c, line=462) Non-privileged attempt to map I/O
> > space 00000000
>
> I have seen this error previously on my system.  After making sure that
> the domain config file is correct(several options have been changed),
> and doing a 'make mrproper' before rebuilding Xen stuff, this error
> went away (at least on my system).
>
> Regards,
>
> Khoa H.
>
>
> _______________________________________________
> Xen-devel mailing list
> [hidden email]
> http://lists.xensource.com/xen-devel
>
--
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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