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[Xen-devel] Xen hypervisor panic in SuSE 11 SP2 (Xen 4.1.2_14-0.5.5)


We are using SuSE 11 SP2 Xen which has 'Xen 4.1.2_14-0.5.5' and we have noticed that Xen Hypervisor 4.1.2 panic very frequently when we are about halt/power-off the board. We have two VMs which we gracefully shutdown.

Moreover, even though the command is to power-off/halt the board, but Xen hypervisor decides to reboot instead if it panics. I think this is a bug. I'm not sure if it's addressed/fixed in Xen 4.2.2 release.

What are our options here assuming upgrading to Xen 4.2.2 (SuSE 11 SP3) is the only possibility?

Stopping udevd:                                                       done

Set Hardware Clock to the current System Time                         done

Sending all processes the TERM signal...                              done

Sending all processes the KILL signal...                              done

The system will be halted immediately.





issuing standby command

(XEN) irq.c:1723: dom0: forcing unbind of pirq 313

(XEN) irq.c:1723: dom0: forcing unbind of pirq 314

(XEN) irq.c:1723: dom0: forcing unbind of pirq 315

(XEN) irq.c:1723: dom0: forcing unbind of pirq 316

(XEN) irq.c:1723: dom0: forcing unbind of pirq 317

(XEN) irq.c:1723: dom0: forcing unbind of pirq 318

(XEN) irq.c:1723: dom0: forcing unbind of pirq 319

(XEN) irq.c:1723: dom0: forcing unbind of pirq 320

(XEN) irq.c:1723: dom0: forcing unbind of pirq 312

[ 1092.811272] Power down.

(XEN) Disabling non-boot CPUs ...

(XEN) Broke affinity for irq 8

(XEN) Broke affinity for irq 8

(XEN) ----[ Xen-4.1.2_14-0.5.5  x86_64  debug=n  Not tainted ]----

(XEN) CPU:    0

(XEN) RIP:    e008:[<ffff82c480125247>] gmtime+0x9c7/0xb90

(XEN) RFLAGS: 0000000000010087   CONTEXT: hypervisor

(XEN) rax: ffff83102940bec0   rbx: 0000000000000000   rcx: 0000000000000000

(XEN) rdx: ffff831033a69220   rsi: ffff831033a69220   rdi: ffff82c4804d0f20

(XEN) rbp: 0000000000000000   rsp: ffff82c48047fd90   r8:  0000000000000000

(XEN) r9:  ffff831029804040   r10: 0000010e1aeca268   r11: ffff83007f7d6060

(XEN) r12: ffff831033a69200   r13: ffff82c4804d0f00   r14: 0000000000000000

(XEN) r15: 0000000000000000   cr0: 000000008005003b   cr4: 00000000001426f0

(XEN) cr3: 000000006e08d000   cr2: 0000000000000008

(XEN) ds: 002b   es: 002b   fs: 0000   gs: 0000   ss: e010   cs: e008

(XEN) Xen stack trace from rsp=ffff82c48047fd90:

(XEN)    0000000000000003 0000000000008008 0000000000000003 ffff82c48043d208

(XEN)    ffff82c48043d200 ffff82c48043cdc8 0000000000008000 ffff82c48011460d

(XEN)    0000000000000000 0000000000000000 ffff83007f7e815c 0000000000000000

(XEN)    0000000000000000 0000000000000003 0000010c12190d0a ffff82c4804d0d80

(XEN)    ffff82c4804d0d60 ffff82c4801025f0 ffff82c4804d0d60 ffff82c48043cdc0

(XEN)    0000000000000000 0000000000000003 ffff82c4804d0d08 ffff82c48010287c

(XEN)    0000000000000005 0000000000000005 0000000000000000 ffff82c48019696b

(XEN)    0000000000000000 ffff82c4804d0d80 ffff82c4804d0d60 ffff83201953e910

(XEN)    ffff83007f7e8000 ffff82c4804d0d08 0000010c12190d0a ffff82c4804d0d80

(XEN)    ffff82c4804d0d60 ffff82c480105dbe ffff83007f7e81c0 0000000000000000

(XEN)    ffff82c4804d0e10 ffff82c480124580 ffff82c4804d0df0 ffff82c480124788

(XEN)    ffff82c48047ff18 ffff83007edfc000 ffff82c4804d0d60 ffff82c480153813

(XEN)    ffff83007edfc000 0000000000000000 0000000000000000 0000000000000000

(XEN)    0000000000000000 ffffffff8070df60 ffff8801eeefc010 0000000000000246

(XEN)    0000000000007ff0 0000000000000000 ffff8801f7f86d00 0000000000000000

(XEN)    ffffffff8000330a 0000000000000000 0000000000000026 0000000000000002

(XEN)    0000010000000000 ffffffff8000330a 000000000000e033 0000000000000246

(XEN)    ffff8801eeefdf18 000000000000e02b 0000000000000000 0000000000000000

(XEN)    0000000000000000 0000000000000000 0000000000000000 ffff83007edfc000

(XEN)    0000000000000000 0000000000000000

(XEN) Xen call trace:

(XEN)    [<ffff82c480125247>] gmtime+0x9c7/0xb90

(XEN)    [<ffff82c48011460d>] notifier_call_chain+0x7d/0x1250

(XEN)    [<ffff82c4801025f0>] cpu_down+0xf0/0x150

(XEN)    [<ffff82c48010287c>] disable_nonboot_cpus+0xac/0x140

(XEN)    [<ffff82c48019696b>] acpi_enter_sleep_state+0x27b/0x500

(XEN)    [<ffff82c480105dbe>] vcpu_unpause+0x10e/0x120

(XEN)    [<ffff82c480124580>] do_sysctl+0x920/0xa00

(XEN)    [<ffff82c480124788>] do_tasklet+0x78/0xb0

(XEN)    [<ffff82c480153813>] idle_loop+0x23/0x50


(XEN) Pagetable walk from 0000000000000008:

(XEN)  L4[0x000] = 000000103ffed063 5555555555555555

(XEN)  L3[0x000] = 000000103ffec063 5555555555555555

(XEN)  L2[0x000] = 000000103ffeb063 5555555555555555

(XEN)  L1[0x000] = 0000000000000000 ffffffffffffffff


(XEN) ****************************************

(XEN) Panic on CPU 0:


(XEN) [error_code=0002]

(XEN) Faulting linear address: 0000000000000008

(XEN) ****************************************


(XEN) Reboot in five seconds...



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