David S. Ahern wrote: > On 03/03/2010 04:20 PM, Jan Kiszka wrote: >> David S. Ahern wrote: >>> >>> >>> On 03/03/2010 04:08 PM, Jan Kiszka wrote: >>>> David S. Ahern wrote: >>>>> With latest qemu-kvm.git I am getting a segfault at start: >>>>> >>>>> /tmp/qemu-kvm-test/bin/qemu-system-x86_64 -m 1024 -smp 2 \ >>>>> -drive file=/images/f12-x86_64.img,if=virtio,cache=none,boot=on >>>>> >>>>> kvm_create_vcpu: Invalid argument >>>>> Segmentation fault (core dumped) >>>>> >>>>> >>>>> git bisect points to: >>>>> >>>>> Bisecting: 0 revisions left to test after this (roughly 0 steps) >>>>> [52b03dd70261934688cb00768c4b1e404716a337] qemu-kvm: Move >>>>> kvm_set_boot_cpu_id >>>>> >>>>> >>>>> $ git show >>>>> commit 7811d4e8ec057d25db68f900be1f09a142faca49 >>>>> Author: Marcelo Tosatti <mtosatti@xxxxxxxxxx> >>>>> Date: Mon Mar 1 21:36:31 2010 -0300 >>>>> >>>>> >>>>> If I manually back out the patch it will boot fine. >>>>> >>>> Problem persists after removing the build directory and doing a fresh >>>> configure && make? I'm asking before taking the bug (which would be >>>> mine, likely) as I recently spent some hours "debugging" a volatile >>>> build system issue. >>>> >>>> Jan >>>> >>> Before sending the email I pulled a fresh clone in a completely >>> different directory (/tmp) to determine if it was something I >>> introduced. I then went back to my usual location, unapplied the patch >>> and it worked fine. >> OK, that reason can be excluded. What's your host kernel kvm version? >> >> (Of course, the issue does not show up here. But virtio currently does >> not boot for me - independent of my patch.) >> >> Jan >> > > Fedora Core 12, > > Linux daahern-lx 2.6.31.12-174.2.22.fc12.x86_64 #1 SMP Fri Feb 19 > 18:55:03 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux > Reproduced after switching back to kvm-kmod-2.6.31, will debug. Thanks, Jan
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