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Re: [Xen-devel] [Qemu-devel] Qemu 2.0 regression with xen: qemu crash on any domUs S.O. start



On Tue, Apr 01, 2014 at 05:01:18PM +0200, Fabio Fantoni wrote:
> Today I tried latest qemu 2.0 compiled from git (commit
> 63678e17cf399ff81b93417fe7bee8d6ef6b6b1b) on this dom0:
> Debian 7 (Wheezy) 64 bit with kernel from package linux-image-3.2.0-4-amd64
> version 3.2.54-2 and all dependency packages for xen, spice and usb
> redirection.
> Seabios 1.7.3-3, spice 0.12.4-0nocelt2 and usbredir 0.6-2 compiled from
> debian unstable sources.
> The xen-unstable upstream commit is
> 4787f667bcee205c56a27da59b766a53e1e929eb, plus these patches not upstream:
> tools: various things just to build test
> tools: Improve make debball
> libxl: Add qxl vga interface support for upstream qemu
> libxl: add basic spice support for pv domUs

Have you try without your last two patches? Or even any patch at all?

> Qemu crashes always on domU S.O. start, on both pv and hvm domUs.
> 
> Same dom0 with qemu 1.6 from xen-unstable repository used for some tests
> yesterday and was full working.
> I also update seabios to 1.7.4-4 compiled from debian unstable sources but
> the problem persists.
> 
> I looked on dom0 logs, qemu logs and xl dmesg and I found only a qemu
> segfault related on each domU in dom0 syslog, for example the latest:
> [  844.273170] qemu-system-i38[3545]: segfault at 8 ip 00007fa905dcc4c1 sp
> 00007fff41220810 error 4 in qemu-system-i386[7fa905ad5000+598000]
> 
> If you need more informations, tests and/or logs tell me and I'll post them.

What is in your guest config files?

-- 
Anthony PERARD

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