On Thu, Sep 3, 2009 at 6:48 PM, Dustin Kirkland<kirkland@xxxxxxxxxxxxx> wrote: > 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 I sent some patches to do that, but they were incomplete, and I was preempted by something else. If you want, you can wait for my cycles to come back, or pick from where I left -- Glauber Costa. "Free as in Freedom" http://glommer.net "The less confident you are, the more serious you have to act." -- 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
