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From: Mark McLoughlin <markmc@redhat.com>
To: Dustin Kirkland <kirkland@canonical.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [PATCH] qemu-kvm: fix segfault when running kvm without /dev/kvm,  falling back to non-accelerated mode
Date: Thu, 03 Sep 2009 21:01:54 +0100	[thread overview]
Message-ID: <1252008114.3084.136.camel@blaa> (raw)
In-Reply-To: <d9c105ea0909031031g463aa731j846dd73d4c158ebc@mail.gmail.com>

On Thu, 2009-09-03 at 12:31 -0500, Dustin Kirkland wrote:
> qemu-kvm: fix segfault when running kvm without /dev/kvm, falling back
> to non-accelerated mode
> 
> We're seeing segfaults on systems without access to /dev/kvm.  It
> looks like the global kvm_allowed is being set just a little too late
> in vl.c.  This patch moves the kvm initialization a bit higher in the
> vl.c main, just after options processing, and solves the segfaults.
> We're carrying this patch in Ubuntu 9.10 Alpha.  Please apply
> upstream, or advise if and why this might not be the optimal solution.

Ah discussion about an alternative fix for this fizzled out recently:

  http://www.mail-archive.com/kvm@vger.kernel.org/msg19890.html

Cheers,
Mark.


WARNING: multiple messages have this Message-ID (diff)
From: Mark McLoughlin <markmc@redhat.com>
To: Dustin Kirkland <kirkland@canonical.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: [Qemu-devel] Re: [PATCH] qemu-kvm: fix segfault when running kvm without /dev/kvm,  falling back to non-accelerated mode
Date: Thu, 03 Sep 2009 21:01:54 +0100	[thread overview]
Message-ID: <1252008114.3084.136.camel@blaa> (raw)
In-Reply-To: <d9c105ea0909031031g463aa731j846dd73d4c158ebc@mail.gmail.com>

On Thu, 2009-09-03 at 12:31 -0500, Dustin Kirkland wrote:
> qemu-kvm: fix segfault when running kvm without /dev/kvm, falling back
> to non-accelerated mode
> 
> We're seeing segfaults on systems without access to /dev/kvm.  It
> looks like the global kvm_allowed is being set just a little too late
> in vl.c.  This patch moves the kvm initialization a bit higher in the
> vl.c main, just after options processing, and solves the segfaults.
> We're carrying this patch in Ubuntu 9.10 Alpha.  Please apply
> upstream, or advise if and why this might not be the optimal solution.

Ah discussion about an alternative fix for this fizzled out recently:

  http://www.mail-archive.com/kvm@vger.kernel.org/msg19890.html

Cheers,
Mark.

  parent reply	other threads:[~2009-09-03 20:02 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-03 17:31 [PATCH] qemu-kvm: fix segfault when running kvm without /dev/kvm, falling back to non-accelerated mode Dustin Kirkland
2009-09-03 17:31 ` [Qemu-devel] " Dustin Kirkland
2009-09-03 19:55 ` Marcelo Tosatti
2009-09-03 19:55   ` [Qemu-devel] " Marcelo Tosatti
2009-09-03 20:01 ` Mark McLoughlin [this message]
2009-09-03 20:01   ` Mark McLoughlin
2009-09-03 21:48   ` Dustin Kirkland
2009-09-03 21:48     ` [Qemu-devel] " Dustin Kirkland
2009-09-03 22:18     ` Glauber Costa
2009-09-03 22:18       ` [Qemu-devel] " Glauber Costa
2009-09-04  7:22       ` Mark McLoughlin
2009-09-04  7:22         ` [Qemu-devel] " Mark McLoughlin
2009-09-04 16:06         ` Dustin Kirkland
2009-09-04 16:06           ` [Qemu-devel] " Dustin Kirkland
2009-09-04 16:36           ` Marcelo Tosatti
2009-09-04 16:36             ` [Qemu-devel] " Marcelo Tosatti
2009-09-04 19:38             ` Dustin Kirkland
2009-09-04 19:38               ` [Qemu-devel] " Dustin Kirkland
2009-09-04 21:39               ` Luiz Capitulino
2009-09-04 21:39                 ` Luiz Capitulino
2009-09-04 21:46                 ` Marcelo Tosatti
2009-09-04 21:46                   ` Marcelo Tosatti
2009-09-04 22:03                   ` Luiz Capitulino
2009-09-04 22:03                     ` Luiz Capitulino
2009-09-03 20:05 ` Luiz Capitulino
2009-09-03 20:05   ` [Qemu-devel] " Luiz Capitulino

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