On 2012-11-06 10:01, Dietmar Maurer wrote: > OK, bisect point me to this commit: > > # git bisect bad > 7d37d351dffee60fc7048bbfd8573421f15eb724 is the first bad commit > commit 7d37d351dffee60fc7048bbfd8573421f15eb724 > Author: Jan Kiszka <jan.kis...@siemens.com> > Date: Thu May 17 10:32:39 2012 -0300 > > virtio/vhost: Add support for KVM in-kernel MSI injection > > Make use of the new vector notifier to track changes of the MSI-X > configuration of virtio PCI devices. On enabling events, we establish > the required virtual IRQ to MSI-X message route and link the signaling > eventfd file descriptor to this vIRQ line. That way, vhost-generated > interrupts can be directly delivered to an in-kernel MSI-X consumer like > the x86 APIC. > > Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> > Signed-off-by: Avi Kivity <a...@redhat.com> > > :040000 040000 1734ddc60cd8a85c7187e93e5a4c02e6d7706cf8 > f417e63a684f3b92f5ff35d256962a2490890f00 M hw > > > This obviously breaks vhost when using multiple cores.
With "obviously" you mean you already have a clue why? I'll try to reproduce. Jan
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