Ubuntu 16.0.4 LTS boot crash on xen 4.6.5

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Ubuntu 16.0.4 LTS boot crash on xen 4.6.5

domain
We got lucky today, but because we couldn't get symbols of early used
kernel we used other. In attached files full log trace and kernel
config.

Hardware is same, but software versions now are:
Xen 4.8.0
Dom0 kernel Linux 4.4.0-67-generic #88-Ubuntu SMP Wed Mar 8 16:34:45 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux

Part of XEN logs:

...
(XEN) Initial low memory virq threshold set at 0x4000 pages.
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 312kB init memory
mapping kernel into physical memory
about to get started...
(XEN) d0v0 Unhandled invalid opcode fault/trap [#6, ec=0000]
(XEN) domain_crash_sync called from entry.S: fault at ffff82d0802363aa
entry.o#create_bounce_frame+0x137/0x146
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.8.0  x86_64  debug=n   Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e033:[<ffffffff81f65e33>]
(XEN) RFLAGS: 0000000000000246   EM: 1   CONTEXT: pv guest (d0v0)
(XEN) rax: 0000000000000081   rbx: 0000000000000000   rcx:
00003fffc0000000
(XEN) rdx: 0010000000000001   rsi: 0000000000000080   rdi:
00100403400000e7
(XEN) rbp: ffffffff81e03dd8   rsp: ffffffff81e03cf8   r8:  
0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000007ff0   r11:
0000000000000000
(XEN) r12: 0000000000000000   r13: 00003ffffffff000   r14:
0000000080000000
(XEN) r15: 0000000100001000   cr0: 0000000080050033   cr4:
00000000003526e0
(XEN) cr3: 0000040339e0a000   cr2: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff81e03cf8:
(XEN)    00003fffc0000000 0000000000000000 ffffffff81f65e33
000000010000e030
(XEN)    0000000000010046 ffffffff81e03d38 000000000000e02b
ffffffff81f65d60
(XEN)    000001ff8799d000 0000000100000000 0000000080000000
ffff880001e0a000
(XEN)    0000020000000001 ffff880001e0a018 0000000000080403
0000000000000001
(XEN)    ffff880000000000 ffffffffff240000 ffffffffff200000
0000000200000000
(XEN)    00000000fffffe02 0000000000180403 0000000100000000
0000000010000000
(XEN)    0000000004cdb000 0000000080001000 0000060080000000
0000000000000018
(XEN)    ffffffff81e03e70 ffffffff81f65171 ffffffff81e03e48
ffffffff81e03e48
(XEN)    ffffffff810233df 0000000000000000 0000000000000001
000000001008799d
(XEN)    0000000010000000 0000010000000000 7ff0000000000002
ffffffff00000018
(XEN)    ffffffff8200b020 2f3362bd3faaa8fa 0000000001000000
ffffffff81e03f00
(XEN)    ffffffff82005920 0000000000000000 0000000000000000
ffffffff81e03e88
(XEN)    ffffffff81f6ba6b 0000000001000000 ffffffff81e03ef0
ffffffff81f692ae
(XEN)    ffffffff00000010 ffffffff81e03f00 ffffffff81e03eb8
2f3362bd3faaa8fa
(XEN)    697a696c61697469 2f3362bd3faaa8fa ffffffffffffffff
0000000000000000
(XEN)    ffffffff82005920 0000000000000000 0000000000000000
ffffffff81e03f30
(XEN)    ffffffff81f5dc74 2f3362bd3faaa8fa 0000000000000000
ffffffff81e03f60
(XEN)    ffffffff81e03f5c 0000000000000000 0000000000000000
ffffffff81e03f40
(XEN)    ffffffff81f5d339 ffffffff81e03ff8 ffffffff81f64156
000406f100000000
(XEN)    0000000100400800 0300000100000032 0000000000000005
0000000000000020
(XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds.
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

root@data1:/usr/lib/debug/boot# addr2line -f -e vmlinux-4.4.0-67-generic
ffffffff81f65e33
xen_relocate_p2m
/build/linux-dKXp7o/linux-4.4.0/arch/x86/xen/mmu.c:2175 (discriminator
1)

ffffffff81e03d38:
__end_rodata_hpage_align
??:?

ffffffff81f65d60:
xen_early_virt_to_phys
/build/linux-dKXp7o/linux-4.4.0/arch/x86/xen/mmu.c:2063

ffffffff81e03e70:
__end_rodata_hpage_align
??:?

ffffffff81f65171:
xen_memory_setup
/build/linux-dKXp7o/linux-4.4.0/arch/x86/xen/setup.c:886

ffffffff81e03e48:
__end_rodata_hpage_align
??:?

ffffffff810233df:
__raw_callee_save_xen_restore_fl
??:?

ffffffff8200b020:
early_dynamic_pgts
??:?

ffffffff81e03f00:
__end_rodata_hpage_align
??:?

ffffffff82005920:
early_dynamic_pgts
??:?

  ffffffff81e03e88:
__end_rodata_hpage_align
??:?

  ffffffff81f6ba6b:
setup_memory_map
/build/linux-dKXp7o/linux-4.4.0/arch/x86/kernel/e820.c:1086

ffffffff81e03ef0:
__end_rodata_hpage_align
??:?

ffffffff81f692ae:
parse_setup_data
/build/linux-dKXp7o/linux-4.4.0/arch/x86/kernel/setup.c:414

ffffffff81e03f00:
__end_rodata_hpage_align
??:?

ffffffff81e03eb8:
__end_rodata_hpage_align
??:?

ffffffff82005920:
early_dynamic_pgts
??:?

ffffffff81e03f30:
__end_rodata_hpage_align
??:?

ffffffff81f5dc74:
bitmap_zero
/build/linux-dKXp7o/linux-4.4.0/include/linux/bitmap.h:197

ffffffff81e03f60:
__end_rodata_hpage_align
??:?

ffffffff81e03f5c:
__end_rodata_hpage_align
??:?

ffffffff81e03f40:
__end_rodata_hpage_align
??:?

ffffffff81f5d339:
x86_64_start_reservations
/build/linux-dKXp7o/linux-4.4.0/arch/x86/kernel/head64.c:196

ffffffff81e03ff8:
__end_rodata_hpage_align
??:?

ffffffff81f64156:
xen_start_kernel
/build/linux-dKXp7o/linux-4.4.0/arch/x86/xen/enlighten.c:1725
(discriminator 1)


It seems the kernel configuration option CONFIG_XEN_512GB isn't related
to that case.
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config-4.4.0-67-generic (254K) Download Attachment
2017.03.29-data1-1.txt (49K) Download Attachment
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