On Thu, Sep 3, 2009 at 3:01 PM, Mark McLoughlin<markmc@xxxxxxxxxx> wrote: > 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@xxxxxxxxxxxxxxx/msg19890.html Ah, thanks Mark. In that thread, I found Daniel's suggestion the most reasonable, and user-friendly: On Mon, Jul 27, 2009 at 1:44 PM, Daniel P. Berrange<berrange@xxxxxxxxxx> wrote: > Well, we could go for logic like: > > * No arg given => try kvm, try kqemu, try tcg > * --accelmode arg given => try $arg, and fail if unavailable > > then libvirt would simply always supply --accelmode for all VMs, > while people running qemu manually would get best available :-Dustin -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html