https://bugzilla.kernel.org/show_bug.cgi?id=38672





--- Comment #2 from Steve <stefan.bo...@gmail.com>  2011-07-02 09:04:56 ---
(In reply to comment #1)
> Reply-To: jan.kis...@web.de
> 
> On 2011-07-02 08:56, bugzilla-dae...@bugzilla.kernel.org wrote:
> > https://bugzilla.kernel.org/show_bug.cgi?id=38672
> > 
> >            Summary: KVM guest boot crashed
> >            Product: Virtualization
> >            Version: unspecified
> >     Kernel Version: 3.0.0-rc5+
> >           Platform: All
> >         OS/Version: Linux
> >               Tree: Mainline
> >             Status: NEW
> >           Severity: high
> >           Priority: P1
> >          Component: kvm
> >         AssignedTo: virtualization_...@kernel-bugs.osdl.org
> >         ReportedBy: stefan.bo...@gmail.com
> >         Regression: Yes
> > 
> > 
> > Windows Server 2008 R2 KVM guest crashed during boot process.
> > This situation also occur on other linux based guests.
> 
> What other Linux guests precisely? None of the Windows and Linux guest I
> have around expose this problem.
I have more guests typeson the same server:
MS Windows Server 2008 R2 (latest updates)
Ubuntu 11.04 (2.6.38-10-virtual)
Debian wheezy/sid (2.6.38-rc4-git4-vs2.3.0.37-rc4)
Gentoo (2.6.38-gentoo-r7)
> 
> What is your qemu command line?

Example of guest - OS Gentoo Linux:

/usr/bin/qemu-system-x86_64 --enable-kvm -name vps-25-gentoo -chroot /vservers1
-runas kvm -pidfile /var/run/kvm/vps-25-gentoo.pid -vnc a.b.c.d:0 -vga std
--full-screen -smp 2 -m 12G -cpu host -mem-path /hugepages -mem-prealloc
-kvm-shadow-memory 12G -daemonize -tdf -localtime -balloon virtio -net
nic,model=virtio,vlan=0,macaddr=XX:XX:XX:XX:XX:XX -net
tap,vhost=on,vlan=0,ifname=qtap0,script=/etc/kvm/kvm-ifup,downscript=/etc/kvm/kvm-ifdown
-drive
aio=native,index=0,media=disk,cache=writeback,if=virtio,boot=on,file=/vservers1/vps-25-gentoo.img
-boot c

> 
> > 
> > Bug is in: git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git
> > not in: 
> > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git.
> > 
> > Qemu-kvm repository checkouted before 9 days works well.
> > 
> > Problem could be in this:
> > 
> > author    Jan Kiszka <jan.kis...@siemens.com>    
> >     Mon, 27 Jun 2011 10:23:35 +0000 (12:23 +0200)
> > committer    Avi Kivity <a...@redhat.com>    
> >     Tue, 28 Jun 2011 08:20:08 +0000 (11:20 +0300)
> > commit    bcd4f22796ebda2934a980060ea704ebedb46173
> > tree    f16fe58d2d4120c7b94f23ddef3afb61beb30dfc    tree | snapshot
> > parent    59539c913383fdd3350681301b44f02fa7ee2757    commit | diff
> > 
> > 
> > author    Jan Kiszka <jan.kis...@siemens.com>    
> >     Mon, 27 Jun 2011 10:22:28 +0000 (12:22 +0200)
> > committer    Avi Kivity <a...@redhat.com>    
> >     Tue, 28 Jun 2011 08:18:58 +0000 (11:18 +0300)
> > commit    59539c913383fdd3350681301b44f02fa7ee2757
> > tree    bfdf23a13004d08d04589d02d3c4c754da3dd076    tree | snapshot
> > parent    b7496707af10ce2827d0803c9e46ca8ddc543716    commit | diff
> > 
> 
> Can you bisect which change precisely introduced the regression?
> 
Yes, of course, i'm working on this now.
> Thanks,
> Jan

Thank you for your time.

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