Re: [Xen-users] pv_ops domU crashes on pv_ops dom0 (directly at boot)

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jan 19, 2010 at 12:38:47PM +0100, Markus Schuster wrote:
> On Tuesday 19 January 2010 12:17:33 Pasi Kärkkäinen wrote:
> > What's the hypervisor version btw?
> 
> That's 3.4.2 (from Debian sid)
> 
> 
> > When the guest is crashed, run in dom0:
> > 
> > /usr/lib/xen/bin/xenctx -s System.map-domUkernelversion <domid>
> 
> Here we go:
> rip: ffffffff8100930a _stext+0x30a
> flags: 00001246 i z p
> rsp: ffff880002c33e60
> rax: 0000000000000000   rcx: ffffffff8100930a   rdx: 0000000000000000
> rbx: 0000000000000000   rsi: 0000000000000000   rdi: 0000000000000002
> rbp: ffff880002c5d1d0    r8: ffff880002c3c590    r9: ffff880002c33e90
> r10: 00025c9e9c681d15   r11: 0000000000000246   r12: ffff880002c33e88
> r13: 0000000000000004   r14: 0000000000000000   r15: 0000000000000000
>  cs: e033        ss: e02b        ds: 0000        es: 0000
>  fs: 0000 @ 0000000000000000
>  gs: 0000 @ ffff880002c30000/0000000000000000
> Code (instr addr ffffffff8100930a)
> cc cc cc cc cc cc cc cc cc cc cc 51 41 53 b8 18 00 00 00 0f 05 <41> 5b 59 c3 
> cc cc cc cc cc cc cc
> 
> 
> Stack:
>  ffffffff811e49da 0000000000000080 ffffffff8100e656 0000000000000001
>  ffffffff8107498b ffff880002c33e88 ffff880002c33e88 ffffffff8142d740
>  ffff880017c14180 0000000000000004 ffffffff8100e834 0000000067559fe6
>  ffffffff810937c8 ffff880002c45f00 ffffffff8142d740 ffffffff8142d7ac
> 
> Call Trace:
>   [<ffffffff8100930a>] _stext+0x30a  <--
>   [<ffffffff811e49da>] set_affinity_irq+0x5a
>   [<ffffffff8100e656>] stop_self+0x2e
>   [<ffffffff8107498b>] generic_smp_call_function_single_interrupt+0xc0
>   [<ffffffff8100e834>] xen_call_function_single_interrupt+0xe
>   [<ffffffff810937c8>] handle_IRQ_event+0x58
>   [<ffffffff81095150>] handle_level_irq+0x6a
>   [<ffffffff81013917>] handle_irq+0x17
>   [<ffffffff811e454c>] xen_evtchn_do_upcall+0x102
>   [<ffffffff81011cbe>] xen_do_hypervisor_callback+0x1e
> 

Ok, thanks. Also please do:

gdb vmlinux

x/i 0xffffffff8100930a
list *0xffffffff8100930a
disas 0xffffffff8100930a

Those should be useful to debug this.

-- Pasi


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