Am 03.05.2010 23:26, schrieb Peter Lieven: > Hi Qemu/KVM Devel Team, > > i'm using qemu-kvm 0.12.3 with latest Kernel 2.6.33.3. > As backend we use open-iSCSI with dm-multipath. > > Multipath is configured to queue i/o if no path is available. > > If we create a failure on all paths, qemu starts to consume 100% > CPU due to i/o waits which is ok so far. > > 1 odd thing: The Monitor Interface is not responding any more ... > > What es a really blocker is that KVM crashes with: > kvm: /usr/src/qemu-kvm-0.12.3/hw/ide/internal.h:507: bmdma_active_if: > Assertion `bmdma->unit != (uint8_t)-1' failed. > > after the multipath has reestablisched at least one path. Can you get a stack backtrace with gdb? > Any ideas? I remember this was working with earlier kernel/kvm/qemu > versions. If it works in the same setup with an older qemu version, bisecting might help. Kevin -- 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
