On Wed, Jul 27, 2011 at 10:09 AM, Igor Blanco <816...@bugs.launchpad.net> wrote: > Public bug reported: > > I have a virtual KVM machine that has 2 CDROM units with ISOs mounted > from a NFS mount point. When NFS server goes offline the virtual machine > blocks completely instead of throwing read errors for the CDROM device. > > Host: Proxmox VE 1.8-11 (Debian GNU/Linux 5.0) > KVM commandline version: QEMU emulator version 0.14.1 (qemu-kvm-devel) > Guest: Windows 7 professional SP 1
Thanks for reporting this. There are instances where QEMU performs blocking operations in a thread that will prevent the guest from running. I suspect you are hitting this case and refactoring work needs to be done to ensure that QEMU threads never block. Stefan
