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dom0: kernel BUG at mm/vmalloc.c:2165!

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dom0: kernel BUG at mm/vmalloc.c:2165!

Christopher S. Aker
Xen 4.1.1
3.0.4 dom0

While trying to boot the first (and only) domU on the freshly-booted box
(two attempts).

Is this a symptom of my dom0 lacking the 'vmalloc_sync_all()' patch
discussed recently? - http://lkml.org/lkml/2011/9/2/114 - I just want to
make sure this isn't something unexpected.


device vif1.0 entered promiscuous mode
ADDRCONF(NETDEV_UP): vif1.0: link is not ready
xen-blkback:ring-ref 8, event-channel 27, protocol 1 (x86_32-abi)
xen-blkback:ring-ref 9, event-channel 28, protocol 1 (x86_32-abi)
ADDRCONF(NETDEV_CHANGE): vif1.0: link becomes ready
br0: port 3(vif1.0) entering forwarding state
br0: port 3(vif1.0) entering forwarding state
br0: port 3(vif1.0) entering forwarding state
br0: port 3(vif1.0) entering forwarding state
device vif1.0 left promiscuous mode
br0: port 3(vif1.0) entering disabled state
device vif2.0 entered promiscuous mode
ADDRCONF(NETDEV_UP): vif2.0: link is not ready
xen-blkback:ring-ref 8, event-channel 27, protocol 1 (x86_32-abi)
(XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e22000
vbd vbd-2-51712: 1 mapping ring-ref 8 port 27
xen-blkback:ring-ref 9, event-channel 28, protocol 1 (x86_32-abi)
(XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e24000
vbd vbd-2-51728: 1 mapping ring-ref 9 port 28
(XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e26000
vif vif-2-0: vif2.0: failed to map tx ring. err=-12 status=-1
vif vif-2-0: 1 mapping shared-frames 768/769 port 29
br0: port 3(vif2.0) entering disabled state
device vif2.0 left promiscuous mode
br0: port 3(vif2.0) entering disabled state
------------[ cut here ]------------
kernel BUG at mm/vmalloc.c:2165!
invalid opcode: 0000 [#1] SMP
Modules linked in: ebt_arp ip6t_rt ebt_mark ebt_limit xt_mark
ip6table_mangle ebtable_nat ebtable_filter

Pid: 39, comm: xenwatch Not tainted 3.0.4-1 #1 Supermicro X8DTU/X8DTU
EIP: 0061:[<c10e492c>] EFLAGS: 00010282 CPU: 5
EIP is at free_vm_area+0x1c/0x20
EAX: 00000000 EBX: e8d4b940 ECX: 00000001 EDX: 00000000
ESI: e94db46c EDI: e9b7fa20 EBP: eb1d9e24 ESP: eb1d9e20
  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
Process xenwatch (pid: 39, ti=eb1d8000 task=eb11b0c0 task.ti=eb1d8000)
Stack:
  e94db3c0 eb1d9e54 c14ecf8a e94db3c0 eb1d9e2c e94db000 e94db46c e9b7fa20
  eb1d9e48 c15ba8d8 e94db3c0 e94db46c e9b7fa20 eb1d9e84 c14efd46 c139748f
  eabe22e0 eabe22e0 00000000 e9b7fa20 eb1d9e84 c139748f eb12f060 e9b7fa00
Call Trace:
  [<c14ecf8a>] xen_netbk_unmap_frontend_rings+0xda/0x100
  [<c15ba8d8>] ? rtnl_unlock+0x8/0x10
  [<c14efd46>] xenvif_disconnect+0xb6/0x110
  [<c139748f>] ? xenbus_rm+0x3f/0x50
  [<c139748f>] ? xenbus_rm+0x3f/0x50
  [<c14eebff>] netback_remove+0x4f/0x80
  [<c13982d7>] xenbus_dev_remove+0x37/0x50
  [<c1437a1e>] __device_release_driver+0x3e/0x90
  [<c1437b30>] device_release_driver+0x20/0x40
  [<c1436e9b>] bus_remove_device+0x7b/0xa0
  [<c1435557>] device_del+0xe7/0x170
  [<c14355eb>] device_unregister+0xb/0x20
  [<c14eed7e>] frontend_changed+0x8e/0x650
  [<c139762d>] ? xenbus_read+0x3d/0x50
  [<c1397671>] ? xenbus_gather+0x31/0x90
  [<c10066c4>] ? check_events+0x8/0xc
  [<c13958f5>] ? xenbus_read_driver_state+0x35/0x50
  [<c139852d>] xenbus_otherend_changed+0x7d/0x90
  [<c1398732>] frontend_changed+0x12/0x20
  [<c1396aa5>] xenwatch_thread+0x85/0x130
  [<c10625d0>] ? wake_up_bit+0x60/0x60
  [<c1396a20>] ? split+0xd0/0xd0
  [<c10621e4>] kthread+0x74/0x80
  [<c1062170>] ? kthread_worker_fn+0x160/0x160
  [<c16ca2b6>] kernel_thread_helper+0x6/0x10
Code: 00 10 00 00 eb a3 89 f6 8d bc 27 00 00 00 00 55 89 e5 53 89 c3 8b
40 04 e8 72 ff ff ff 39 c3 75 0a 89 d8 e8 27 cf 00 00 5b 5d c3 <0f> 0b
eb fe 55 85 d2 89 e5 57 89 d7 56 53 89 c3 7e 11 31 f6 8b
EIP: [<c10e492c>] free_vm_area+0x1c/0x20 SS:ESP 0069:eb1d9e20
---[ end trace 8c2c7e19ece622c9 ]---

Thanks,
-Chris


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Re: dom0: kernel BUG at mm/vmalloc.c:2165!

Konrad Rzeszutek Wilk
On Mon, Sep 26, 2011 at 05:09:42PM -0400, Christopher S. Aker wrote:
> Xen 4.1.1
> 3.0.4 dom0
>
> While trying to boot the first (and only) domU on the freshly-booted
> box (two attempts).
>
> Is this a symptom of my dom0 lacking the 'vmalloc_sync_all()' patch
> discussed recently? - http://lkml.org/lkml/2011/9/2/114 - I just
> want to make sure this isn't something unexpected.

Yup. That is exactly what you will hit. And the fix is to use vmalloc_sync_all
(which also should show up in 3.0.5).

>
>
> device vif1.0 entered promiscuous mode
> ADDRCONF(NETDEV_UP): vif1.0: link is not ready
> xen-blkback:ring-ref 8, event-channel 27, protocol 1 (x86_32-abi)
> xen-blkback:ring-ref 9, event-channel 28, protocol 1 (x86_32-abi)
> ADDRCONF(NETDEV_CHANGE): vif1.0: link becomes ready
> br0: port 3(vif1.0) entering forwarding state
> br0: port 3(vif1.0) entering forwarding state
> br0: port 3(vif1.0) entering forwarding state
> br0: port 3(vif1.0) entering forwarding state
> device vif1.0 left promiscuous mode
> br0: port 3(vif1.0) entering disabled state
> device vif2.0 entered promiscuous mode
> ADDRCONF(NETDEV_UP): vif2.0: link is not ready
> xen-blkback:ring-ref 8, event-channel 27, protocol 1 (x86_32-abi)
> (XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e22000
> vbd vbd-2-51712: 1 mapping ring-ref 8 port 27
> xen-blkback:ring-ref 9, event-channel 28, protocol 1 (x86_32-abi)
> (XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e24000
> vbd vbd-2-51728: 1 mapping ring-ref 9 port 28
> (XEN) mm.c:3846:d0 Could not find L1 PTE for address f7e26000
> vif vif-2-0: vif2.0: failed to map tx ring. err=-12 status=-1
> vif vif-2-0: 1 mapping shared-frames 768/769 port 29
> br0: port 3(vif2.0) entering disabled state
> device vif2.0 left promiscuous mode
> br0: port 3(vif2.0) entering disabled state
> ------------[ cut here ]------------
> kernel BUG at mm/vmalloc.c:2165!
> invalid opcode: 0000 [#1] SMP
> Modules linked in: ebt_arp ip6t_rt ebt_mark ebt_limit xt_mark
> ip6table_mangle ebtable_nat ebtable_filter
>
> Pid: 39, comm: xenwatch Not tainted 3.0.4-1 #1 Supermicro X8DTU/X8DTU
> EIP: 0061:[<c10e492c>] EFLAGS: 00010282 CPU: 5
> EIP is at free_vm_area+0x1c/0x20
> EAX: 00000000 EBX: e8d4b940 ECX: 00000001 EDX: 00000000
> ESI: e94db46c EDI: e9b7fa20 EBP: eb1d9e24 ESP: eb1d9e20
>  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
> Process xenwatch (pid: 39, ti=eb1d8000 task=eb11b0c0 task.ti=eb1d8000)
> Stack:
>  e94db3c0 eb1d9e54 c14ecf8a e94db3c0 eb1d9e2c e94db000 e94db46c e9b7fa20
>  eb1d9e48 c15ba8d8 e94db3c0 e94db46c e9b7fa20 eb1d9e84 c14efd46 c139748f
>  eabe22e0 eabe22e0 00000000 e9b7fa20 eb1d9e84 c139748f eb12f060 e9b7fa00
> Call Trace:
>  [<c14ecf8a>] xen_netbk_unmap_frontend_rings+0xda/0x100
>  [<c15ba8d8>] ? rtnl_unlock+0x8/0x10
>  [<c14efd46>] xenvif_disconnect+0xb6/0x110
>  [<c139748f>] ? xenbus_rm+0x3f/0x50
>  [<c139748f>] ? xenbus_rm+0x3f/0x50
>  [<c14eebff>] netback_remove+0x4f/0x80
>  [<c13982d7>] xenbus_dev_remove+0x37/0x50
>  [<c1437a1e>] __device_release_driver+0x3e/0x90
>  [<c1437b30>] device_release_driver+0x20/0x40
>  [<c1436e9b>] bus_remove_device+0x7b/0xa0
>  [<c1435557>] device_del+0xe7/0x170
>  [<c14355eb>] device_unregister+0xb/0x20
>  [<c14eed7e>] frontend_changed+0x8e/0x650
>  [<c139762d>] ? xenbus_read+0x3d/0x50
>  [<c1397671>] ? xenbus_gather+0x31/0x90
>  [<c10066c4>] ? check_events+0x8/0xc
>  [<c13958f5>] ? xenbus_read_driver_state+0x35/0x50
>  [<c139852d>] xenbus_otherend_changed+0x7d/0x90
>  [<c1398732>] frontend_changed+0x12/0x20
>  [<c1396aa5>] xenwatch_thread+0x85/0x130
>  [<c10625d0>] ? wake_up_bit+0x60/0x60
>  [<c1396a20>] ? split+0xd0/0xd0
>  [<c10621e4>] kthread+0x74/0x80
>  [<c1062170>] ? kthread_worker_fn+0x160/0x160
>  [<c16ca2b6>] kernel_thread_helper+0x6/0x10
> Code: 00 10 00 00 eb a3 89 f6 8d bc 27 00 00 00 00 55 89 e5 53 89 c3
> 8b 40 04 e8 72 ff ff ff 39 c3 75 0a 89 d8 e8 27 cf 00 00 5b 5d c3
> <0f> 0b eb fe 55 85 d2 89 e5 57 89 d7 56 53 89 c3 7e 11 31 f6 8b
> EIP: [<c10e492c>] free_vm_area+0x1c/0x20 SS:ESP 0069:eb1d9e20
> ---[ end trace 8c2c7e19ece622c9 ]---
>
> Thanks,
> -Chris
>
>
> _______________________________________________
> Xen-devel mailing list
> [hidden email]
> http://lists.xensource.com/xen-devel

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