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From: Mark McLoughlin <markmc@redhat.com>
To: Javier Guerra <javier@guerrag.com>
Cc: avi <avi@qumranet.com>, kvm <kvm@vger.kernel.org>
Subject: Re: [ kvm-Bugs-2009439 ] data corruption with virtio-blk
Date: Sat, 05 Jul 2008 11:29:08 +0100	[thread overview]
Message-ID: <1215253748.4394.3.camel@muff> (raw)
In-Reply-To: <90eb1dc70807030758n33f54a00m68ea831d30b30a5b@mail.gmail.com>

On Thu, 2008-07-03 at 09:58 -0500, Javier Guerra wrote:
> On Thu, Jul 3, 2008 at 3:03 AM, Mark McLoughlin <markmc@redhat.com> wrote:
> > I think the below fixes the data corrupter, but I'm still tracking down
> > another issue where the guest is hanging waiting for I/O to complete
> > with the latest virtio-blk backend.
> 
> is that a common case? i haven't been able to finish a system install
> on either virtio or scsi block devices.  both linux (Ubuntu JeOS 8.04)
> and windows (xp sp2) freeze sometime while writing packages.  IDE
> installs work perfectly

It's certainly possible the hangs you're seeing were caused by the
IOAPIC interrupt injection bug I just sent out a fix for - you could try
doing an install either running kvm-qemu -no-kvm-irqchip or booting the
guest with "noapic" on the kernel command line. If the IOAPIC bug is
your issue, you shouldn't see any freezes.

Cheers,
Mark.


  reply	other threads:[~2008-07-05 10:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-03  5:51 [ kvm-Bugs-2009439 ] data corruption with virtio-blk SourceForge.net
2008-07-03  8:03 ` Mark McLoughlin
2008-07-03 14:06   ` Avi Kivity
2008-07-03 14:58   ` Javier Guerra
2008-07-05 10:29     ` Mark McLoughlin [this message]
2008-07-07 16:10       ` Javier Guerra
  -- strict thread matches above, loose matches on Subject: below --
2008-07-07  8:32 SourceForge.net
2008-07-10 14:32 SourceForge.net

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