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+KVM: 0.179
+semantic: 0.136
+device: 0.111
+performance: 0.108
+PID: 0.084
+other: 0.081
+vnc: 0.059
+graphic: 0.043
+network: 0.041
+socket: 0.034
+files: 0.032
+debug: 0.031
+boot: 0.031
+permissions: 0.030
+KVM: 0.766
+debug: 0.035
+performance: 0.030
+PID: 0.028
+network: 0.022
+socket: 0.021
+other: 0.020
+files: 0.018
+device: 0.018
+boot: 0.013
+semantic: 0.010
+vnc: 0.009
+graphic: 0.004
+permissions: 0.004
+
+Guest machine freezes when NFS mount goes offline
+
+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
+
+On Wed, Jul 27, 2011 at 10:09 AM, Igor Blanco <email address hidden> 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
+
+
+Can you still reproduce this problem with the latest version of QEMU (currently version 2.9.0)?
+
+[Expired for QEMU because there has been no activity for 60 days.]
+