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

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

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

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.

Thanks for any reply.



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