Re: [Xen-devel] Crash in xen 4.7 adding nic during domu startup

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.06.16 at 00:28, <syllopsium@xxxxxxxxxxxxxxxx> wrote:
> (XEN) [2016-06-27 22:11:41.712] ----[ Xen-4.7.0  x86_64  debug=n  Not tainted 
> ]----
> (XEN) [2016-06-27 22:11:41.712] CPU:    0
> (XEN) [2016-06-27 22:11:41.712] RIP:    e008:[<ffff82d080166450>] 
> domain_relinquish_resources+0x10/0x2f0
> (XEN) [2016-06-27 22:11:41.712] RFLAGS: 0000000000010296   CONTEXT: 
> hypervisor (d0v0)
> (XEN) [2016-06-27 22:11:41.712] rax: 0000000000000000   rbx: ffff83020ac4f000 
>   rcx: ffff82d0802346bc
> (XEN) [2016-06-27 22:11:41.712] rdx: ffff8300bf8d7fff   rsi: 0000000000000000 
>   rdi: ffff83020afde050
> (XEN) [2016-06-27 22:11:41.712] rbp: ffff8300bf8d7e48   rsp: ffff8300bf8d7d78 
>   r8:  0000000000000001
> (XEN) [2016-06-27 22:11:41.712] r9:  0000000000000000   r10: 0000000000000003 
>   r11: ffff83023d94b1d8
> (XEN) [2016-06-27 22:11:41.712] r12: 00007ffe21eb9530   r13: 0000000000000000 
>   r14: ffff83020ac4f000
> (XEN) [2016-06-27 22:11:41.712] r15: 00007ffe21eb9530   cr0: 0000000080050033 
>   cr4: 00000000000026e0
> (XEN) [2016-06-27 22:11:41.712] cr3: 0000000216737000   cr2:  0000000000000000
> (XEN) [2016-06-27 22:11:41.712] ds: 0000   es: 0000   fs: 0000   gs: 0000   
> ss: e010   cs: e008
> (XEN) [2016-06-27 22:11:41.712] Xen code around <ffff82d080166450> 
> (domain_relinquish_resources+0x10/0x2f0):
> (XEN) [2016-06-27 22:11:41.712]  18 48 8b bf e8 01 00 00 <00> 00 00 00 00 00 
> 00 00 00 00 00 00 00 00 00 00

Something very clearly corrupted your hypervisor code, and that's
what you'll need to track down.

Jan


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