linux-kernel - Re: KVM segfaults with 3.5 while installing ubuntu 12.04

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Message-ID: <5018EC7D.9090702@redhat.com>
Date:	Wed, 01 Aug 2012 11:44:45 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Stefan Priebe <s.priebe@...fihost.ag>
CC:	mtosatti@...hat.com, kvm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: KVM segfaults with 3.5 while installing ubuntu 12.04

On 07/31/2012 08:37 PM, Stefan Priebe wrote:
> Now i got it working - sorry used old gdb.
> 
> This is the backtrace:
> 
> Core was generated by `/usr/bin/qemu-system-x86_64 -id 103 -chardev
> socket,id=qmp,path=/var/run/qemu-s'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00007f6ca10faed8 in ?? () from /lib/libc.so.6
> (gdb) where
> #0  0x00007f6ca10faed8 in ?? () from /lib/libc.so.6
> #1  0x00007f6ca54e0098 in virtio_notify_vector (vdev=0x7f6ca10fae98,
> vector=32620)
>     at /root/src/pve-qemu-kvm/qemu-kvm/hw/virtio.c:493
> #2  0x00007f6ca54e0e25 in virtio_notify (vdev=0x7f6ca10fae98,
> vq=0x7f6ca10faf18) at /root/src/pve-qemu-kvm/qemu-kvm/hw/virtio.c:739
> #3  0x00007f6ca54d5bb0 in virtio_blk_req_complete (req=0x7f6ca6fe4440,
> status=0)

I notice the ip is different from the first trace. Please run this a few
more times and see if it always fails in the same place, or in random
places (and post the traces please).


-- 
error compiling committee.c: too many arguments to function


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