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jeffk l33t
Joined: 13 Sep 2003 Posts: 671
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Posted: Wed Sep 29, 2010 1:54 pm Post subject: qemu-kvm segfault ~amd64 0.12.5-r1 and 9999 |
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I haven't fired up qemu-kvm in a few weeks, but it was working fine on my ~amd64. Yesterday (2010-09-2 I'm on gentoo-sources-2.6.35-r9, and qemu-kvm-9999 fails to start with a segmentation fault. I downgrade to qemu-kvm-0.12.5-r1, modprobe -r for kvm_intel and then kvm, modprobe kvm_intel, and try again. Same segfault.
Any ideas what could be the problem here, or where I could start to look?
Code: | # grep -e "KVM\|VIRTIO" kernel-config-x86_64-2.6.35-gentoo-r9
CONFIG_VIRTIO_BLK=m
CONFIG_VIRTIO_NET=m
CONFIG_VIRTIO_CONSOLE=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HAVE_KVM=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_APIC_ARCHITECTURE=y
CONFIG_KVM_MMIO=y
CONFIG_KVM=m
CONFIG_KVM_INTEL=m
# CONFIG_KVM_AMD is not set
CONFIG_VIRTIO=m
CONFIG_VIRTIO_RING=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m |
Thanks. |
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jeffk l33t
Joined: 13 Sep 2003 Posts: 671
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Posted: Wed Sep 29, 2010 9:32 pm Post subject: |
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On #kvm, I got the tip to look at dmesg for info on the segfault.
Code: | kvm: 22161: cpu0 unhandled wrmsr: 0x198 data 0
qemu-system-x86[22163]: segfault at 7fdc0deb0551 ip 00007fdc0612c7ef sp 00007fdbe0e2bc00 error 7 in libGL.so.260.19.06[7fdc06098000+b7000] |
Apparently qemu-kvm is not supposed to be using libGL in any way, so something could be amiss on the Gentoo platform.
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