Re: [Xen-devel] PTE Write access is not set

[Liwei <xieliwei@xxxxxxxxx>]

On 14 December 2011 22:52, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>
> So this suggests that the virtual firmware has a problem coming back
> up with the passed through device still active (and the IOMMU may in
> fact be shielding the rest of the system from bad effects of this).
>
> This by itself is a problem, and the sudden death of the guest is
> another (particularly if indeed there's no trace of that event in any
> logs). Debugging this may be difficult for anyone who can't
> reproduce it, so we'll have to rely on you providing more insight.
> Enable more debugging/verbosity in the hypervisor and try again is
> probably all I can suggest at this point.

Currently I have earlyprintk=xen, loglvl=all and guest_loglvl=all.
Other than adding loglevel=10 and debug initcall_debug, what other
options and/or procedures do you suggest?

>
> Jan
>

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