Re: [Xen-devel] Re: compat BUG

[Gerd Hoffmann <kraxel@xxxxxxx>]

Jan Beulich wrote:
> Hmm, ugly. Guest register state seems to indicate that this is not a 
> continuation,
> yet the return value from do_mmuext_op() must clearly have been
> __HYPERVISOR_mmuext_op, i.e. must have come from
> hypervisor_create_continuation().
> 
> Was this during boot of the domain?

Yes (must have been early in userspace boot).

> Is this reproducible?

No, never happened again since.

> Was there anything
> special happening in that guest (or maybe this was domain 0)?

Was a guest.  Nothing special I'm aware of.

> Can you send
> maybe send the xen-syms image exactly matching the crash, so I can
> associate stuff on the stack with source variables?

Attached.

cheers,

  Gerd

-- 
Gerd Hoffmann <kraxel@xxxxxxx>

Attachment: xen-syms
Description: Binary data

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