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[Xen-devel] Xen-unstable: Xen panic when shutting down HVM guest with PCI passthrough: RIP: e008:[<ffff82d0801099b1>] evtchn_move_pirqs+0x90/0xbf



Hi,

When shutting down a HVM guest with PCI passthrough Xen panics with the panic 
below (complete xl-dmesg attached).

# addr2line -e xen-syms ffff82d0801099b1
/usr/src/new/xen-unstable/xen/common/event_channel.c:1326

which is:
        pirq_set_affinity(d, chn->u.pirq.irq, mask);

(XEN) [2014-06-05 14:10:54.290] AMD-Vi: Disable: device id = 0x700, domain = 1, 
paging mode = 4
(XEN) [2014-06-05 14:10:54.290] AMD-Vi: Setup I/O page table: device id = 
0x700, type = 0x1, root table = 0x54ef41000, domain = 0, paging mode = 3
(XEN) [2014-06-05 14:10:54.290] AMD-Vi: Re-assign 0000:07:00.0 from dom1 to dom0
(XEN) [2014-06-05 14:10:54.650] ----[ Xen-4.5-unstable  x86_64  debug=y  Not 
tainted ]----
(XEN) [2014-06-05 14:10:54.650] CPU:    5
(XEN) [2014-06-05 14:10:54.650] RIP:    e008:[<ffff82d0801099b1>] 
evtchn_move_pirqs+0x90/0xbf
(XEN) [2014-06-05 14:10:54.650] RFLAGS: 0000000000010202   CONTEXT: hypervisor
(XEN) [2014-06-05 14:10:54.650] rax: 0000000000000019   rbx: 0000000000000320   
rcx: 0000000000000001
(XEN) [2014-06-05 14:10:54.650] rdx: ffff83054ef86020   rsi: 0000000000000200   
rdi: ffff8305416eb0bc
(XEN) [2014-06-05 14:10:54.650] rbp: ffff83054ef7fce8   rsp: ffff83054ef7fcc8   
r8:  0000000000000001
(XEN) [2014-06-05 14:10:54.650] r9:  000000000000003a   r10: ffff82e008e31940   
r11: 0000000000000001
(XEN) [2014-06-05 14:10:54.650] r12: ffff8305416eb000   r13: ffff82d08023d740   
r14: ffff8305416eb0b8
(XEN) [2014-06-05 14:10:54.650] r15: ffffffffffffffff   cr0: 000000008005003b   
cr4: 00000000000006f0
(XEN) [2014-06-05 14:10:54.650] cr3: 0000000537296000   cr2: 0000000000000328
(XEN) [2014-06-05 14:10:54.650] ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 
e010   cs: e008
(XEN) [2014-06-05 14:10:54.650] Xen stack trace from rsp=ffff83054ef7fcc8:
(XEN) [2014-06-05 14:10:54.650]    ffff83009faf7000 0000000000000000 
ffff830546cb6ee0 ffff83054eff8d00
(XEN) [2014-06-05 14:10:54.650]    ffff83054ef7fd68 ffff82d080126e2f 
ffff83054ef7fd48 ffff830546df8ef0
(XEN) [2014-06-05 14:10:54.650]    00000000416eb1c0 ffff830546333870 
ffff8305416eb000 ffff82d080320d60
(XEN) [2014-06-05 14:10:54.650]    ffff82d080277d20 ffff83054eff1068 
0000000000000000 ffff8305416eb000
(XEN) [2014-06-05 14:10:54.650]    ffff8305416eb000 0000000000000000 
0000000000000000 0000000000000011
(XEN) [2014-06-05 14:10:54.650]    ffff83054ef7fd98 ffff82d080105dcc 
ffff82d080129dcf ffff8305416eb000
(XEN) [2014-06-05 14:10:54.650]    ffffffffffffffff 00007f9b40a0b004 
ffff83054ef7fef8 ffff82d080103926
(XEN) [2014-06-05 14:10:54.650]    ffff83054ef913a0 0000000000000282 
ffff8305480e1010 ffff83009fd27000
(XEN) [2014-06-05 14:10:54.650]    0000000000000000 ffff83009fd2718c 
0000000000000246 0000000000000011
(XEN) [2014-06-05 14:10:54.650]    ffff83054ef7fdf8 0000000000000206 
ffff83054ef7fe18 ffff82d08012c757
(XEN) [2014-06-05 14:10:54.650]    ffff83009fd27060 0000000000000005 
ffff83054ef7fe68 0000000000000206
(XEN) [2014-06-05 14:10:54.650]    ffff83009fd27088 0000000000000286 
0000000a00000002 0000000000000001
(XEN) [2014-06-05 14:10:54.650]    0000000001eb2168 0000000001eb16a0 
00007f9b4037c000 00007f9b407fc9f2
(XEN) [2014-06-05 14:10:54.650]    35622d6200000005 0000000000000000 
00007fff2b72c740 00007f9b40158620
(XEN) [2014-06-05 14:10:54.650]    0000000000000010 0000000001ea8330 
00007fff2b72c7b0 0000000001eb1e40
(XEN) [2014-06-05 14:10:54.650]    0000000000000001 00007f9b40802a55 
0000000000000000 00007f9b3fa753c7
(XEN) [2014-06-05 14:10:54.650]    ffff83054ef7fed8 ffff83009fd27000 
0000000000000011 ffff88004d45ab98
(XEN) [2014-06-05 14:10:54.650]    00007fff2b72c650 0000000000000011 
00007cfab10800c7 ffff82d08022ca8b
(XEN) [2014-06-05 14:10:54.651]    ffffffff8100148a 0000000000000024 
0000000000000011 00007fff2b72c650
(XEN) [2014-06-05 14:10:54.651]    ffff88004d45ab98 0000000000000011 
ffff88004a14be98 00007fff2b72c650
(XEN) [2014-06-05 14:10:54.651] Xen call trace:
(XEN) [2014-06-05 14:10:54.651]    [<ffff82d0801099b1>] 
evtchn_move_pirqs+0x90/0xbf
(XEN) [2014-06-05 14:10:54.651]    [<ffff82d080126e2f>] 
sched_move_domain+0x2c1/0x3ea
(XEN) [2014-06-05 14:10:54.651]    [<ffff82d080105dcc>] domain_kill+0xd0/0x159
(XEN) [2014-06-05 14:10:54.651]    [<ffff82d080103926>] do_domctl+0xab8/0x1542
(XEN) [2014-06-05 14:10:54.651]    [<ffff82d08022ca8b>] syscall_enter+0xeb/0x145
(XEN) [2014-06-05 14:10:54.651] 
(XEN) [2014-06-05 14:10:54.651] Pagetable walk from 0000000000000328:
(XEN) [2014-06-05 14:10:54.651]  L4[0x000] = 0000000544e38067 0000000000057fc5
(XEN) [2014-06-05 14:10:54.651]  L3[0x000] = 000000053cc28067 000000000004fdd5
(XEN) [2014-06-05 14:10:54.651]  L2[0x000] = 0000000000000000 ffffffffffffffff 
(XEN) [2014-06-05 14:10:55.709] 
(XEN) [2014-06-05 14:10:55.718] ****************************************
(XEN) [2014-06-05 14:10:55.737] Panic on CPU 5:
(XEN) [2014-06-05 14:10:55.750] FATAL PAGE FAULT
(XEN) [2014-06-05 14:10:55.763] [error_code=0000]
(XEN) [2014-06-05 14:10:55.776] Faulting linear address: 0000000000000328
(XEN) [2014-06-05 14:10:55.796] ****************************************
(XEN) [2014-06-05 14:10:55.815] 
(XEN) [2014-06-05 14:10:55.824] Reboot in five seconds...
(XEN) [2014-06-05 14:10:55.839] APIC error on CPU0: 00(08)
(XEN) [2014-06-05 14:10:55.855] APIC error on CPU0: 08(08)

Attachment: xl-dmesg.txt
Description: Text document

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