[Xen-users] Ubuntu 16.0.4 LTS boot crash on xen 4.6.5

[domain@xxxxxxxx]

I'm trying to find out a crash when booting a Ubuntu 4.8.0-32-generic 
dom0 on a recent xen 4.6.5.
Some information about hardware and software versions:
Supermicro X10QBi, Version 3.0, Build Date 05/04/2016 12:38:52
CPUs 4x Intel (R) Xeon (R) CPU E7 -8890 v4 @ 2.20GHz
RAM 6291456 MB (DDR4 1600MHz)

Xen version: 4.6.5 (ubuntu package)
Xen options: placeholder loglvl=all guest_loglvl=all console=com2 
com2=115200,8n1 dom0_mem=1048576M,min:1048576M,max:1048576M 
dom0_max_vcpus=48
...
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x225e000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000040338000000->000004033c000000 (268415745 
pages to be allocated)
(XEN)  Init. ramdisk: 000004ffff301000->000004fffffff1a0
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff81000000->ffffffff8225e000
(XEN)  Init. ramdisk: 0000000000000000->0000000000000000
(XEN)  Phys-Mach map: 0000008000000000->0000008080000000
(XEN)  Start info:    ffffffff8225e000->ffffffff8225e4b4
(XEN)  Page tables:   ffffffff8225f000->ffffffff82274000
(XEN)  Boot stack:    ffffffff82274000->ffffffff82275000
(XEN)  TOTAL:         ffffffff80000000->ffffffff82400000
(XEN)  ENTRY ADDRESS: ffffffff81f83180
(XEN) Dom0 has maximum 48 VCPUs
(XEN) setup 0000:3f:0e.2 for d0 failed (-22)
(XEN) setup 0000:3f:0e.3 for d0 failed (-22)
(XEN) setup 0000:3f:0e.4 for d0 failed (-22)
(XEN) setup 0000:3f:0e.5 for d0 failed (-22)
(XEN) setup 0000:3f:0e.6 for d0 failed (-22)
(XEN) setup 0000:3f:0e.7 for d0 failed (-22)
(XEN) setup 0000:7f:0e.2 for d0 failed (-22)
(XEN) setup 0000:7f:0e.3 for d0 failed (-22)
(XEN) setup 0000:7f:0e.4 for d0 failed (-22)
(XEN) setup 0000:7f:0e.5 for d0 failed (-22)
(XEN) setup 0000:7f:0e.6 for d0 failed (-22)
(XEN) setup 0000:7f:0e.7 for d0 failed (-22)
(XEN) setup 0000:bf:0e.2 for d0 failed (-22)
(XEN) setup 0000:bf:0e.3 for d0 failed (-22)
(XEN) setup 0000:bf:0e.4 for d0 failed (-22)
(XEN) setup 0000:bf:0e.5 for d0 failed (-22)
(XEN) setup 0000:bf:0e.6 for d0 failed (-22)
(XEN) setup 0000:bf:0e.7 for d0 failed (-22)
(XEN) setup 0000:ff:0e.2 for d0 failed (-22)
(XEN) setup 0000:ff:0e.3 for d0 failed (-22)
(XEN) setup 0000:ff:0e.4 for d0 failed (-22)
(XEN) setup 0000:ff:0e.5 for d0 failed (-22)
(XEN) setup 0000:ff:0e.6 for d0 failed (-22)
(XEN) setup 0000:ff:0e.7 for d0 failed (-22)
(XEN) Scrubbing Free RAM on 1 nodes using 96 CPUs
(XEN) 
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................done.
(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 ffff82d08022b663 
create_bounce_frame+0x12b/0x13a
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.6.5  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e033:[<ffffffff81f8c78a>]
(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: ffffffff81e03d08   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: 0000040339e06000   cr2: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff81e03d08:
(XEN)    00003fffc0000000 0000000000000000 ffffffff81f8c78a 
000000010000e030
(XEN)    0000000000010046 ffffffff81e03d40 000000000000e02b 
000001fffffffff0
(XEN)    0000000100000000 0000000080000000 0000020000000001 
ffff880001e06018
(XEN)    ffff880001e06000 0000000000080403 0000000000000001 
ffffffffff240000
(XEN)    ffffffffff200000 0000000200000000 00000000fffffe02 
0000000000180403
(XEN)    0000000100000000 0000000010000000 0000000004cff000 
0000000080001000
(XEN)    0000060080000000 0000000000000018 ffffffff81e03e70 
ffffffff81f8bb46
(XEN)    ffffffff81e03e38 ffffffff81022d98 0000000000000000 
0000000000007ff0
(XEN)    0000000000000001 000000001008799d 0000000010000000 
0000010000000000
(XEN)    7ff0000000000002 ffffffff00000018 ffffffff82037020 
80d2c2098044005e
(XEN)    0000000001000000 ffffffff81e03f00 ffffffff82031920 
0000000000000000
(XEN)    0000000000000000 ffffffff81e03e88 ffffffff81f92653 
0000000001000000
(XEN)    ffffffff81e03ef0 ffffffff81f8fe71 ffffffff00000010 
ffffffff81e03f00
(XEN)    ffffffff81e03eb8 80d2c2098044005e ffffffff81e03e88 
80d2c2098044005e
(XEN)    ffffffffffffffff 0000000000000000 ffffffff82031920 
0000000000000000
(XEN)    0000000000000000 ffffffff81e03f30 ffffffff81f83c28 
80d2c2098044005e
(XEN)    0000000000000000 ffffffff81e03f60 ffffffff81e03f5c 
0000000000000000
(XEN)    0000000000000000 ffffffff81e03f40 ffffffff81f832d5 
ffffffff81e03ff8
(XEN)    ffffffff81f8aacc 000406f100000000 0000000100400800 
0300000100000032
(XEN)    0000000000000005 0000000000000020 0000000000000000 
0000000000000000
(XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds.
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

Full log file attached.

Any idea what is causing the BIG boom?

Attachment: 2017.03.27-4.txt
Description: Text document

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