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Re: [Qemu-devel] Xen: qemu dies with xen-all.c:478: xen_log_sync: Assert


From: Stefano Stabellini
Subject: Re: [Qemu-devel] Xen: qemu dies with xen-all.c:478: xen_log_sync: Assertion `r >= 0' failed.
Date: Wed, 4 Jan 2012 18:22:31 +0000
User-agent: Alpine 2.00 (DEB 1167 2008-08-23)

On Wed, 4 Jan 2012, Julian Pidancet wrote:
> When testing the latest master branch, qemu dies with the above error
> message. The issue seems to have been introduced by the following
> recent patch:
> 
> xen: convert to MemoryListener API (20581d207853fe4b1af88b116f077516dfa888cd)
> 
> Commenting the assert() prevents qemu from dying, but there may be
> another underlying problem with framebuffer dirty page tracking
> because the display is really slow on my setup (It wasn't the last
> time I tried).

Yes, we know, see http://marc.info/?l=qemu-devel&m=132570052310367&w=2.
Anthony is brewing a patch to fix it properly.
Thank you for testing,

Stefano



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