Am 24.10.2011 12:00, schrieb Chris Webb: > I have a qemu-kvm guest (apparently a Ubuntu 11.04 x86-64 install) which has > stopped and refuses to continue: > > (qemu) info status > VM status: paused > (qemu) cont > (qemu) info status > VM status: paused > > The host is running linux 2.6.39.2 with qemu-kvm 0.14.1 on 24-core Opteron > 6176 box, and has nine other 2GB production guests on it running absolutely > fine. > > It's been a while since I've seen one of these. When I last saw a cluster of > them, they were emulation failures (big real mode instructions, maybe?). I > also remember a message about abnormal exit in the dmesg previously, but I > don't have that here. This time, there is no host kernel output at all, just > the paused guest. > > I have qemu monitor access and can even strace the relevant qemu process if > necessary: is it possible to use this to diagnose what's caused this guest > to stop, e.g. the unsupported instruction if it's an emulation failure? Another common cause for stopped VMs are I/O errors, for example writes to a sparse image when the disk is full. 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
