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+virtual: 0.914
+KVM: 0.909
+performance: 0.878
+device: 0.772
+network: 0.741
+graphic: 0.713
+hypervisor: 0.696
+semantic: 0.651
+register: 0.601
+PID: 0.591
+vnc: 0.546
+permissions: 0.539
+architecture: 0.538
+ppc: 0.522
+kernel: 0.521
+socket: 0.508
+mistranslation: 0.483
+VMM: 0.476
+boot: 0.476
+peripherals: 0.459
+risc-v: 0.440
+files: 0.436
+x86: 0.363
+assembly: 0.357
+i386: 0.335
+user-level: 0.310
+arm: 0.296
+debug: 0.231
+TCG: 0.187
+
+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.]
+