Thanks done: https://bugs.launchpad.net/qemu/+bug/816860 2011/7/27 Stefan Hajnoczi <stefanha@xxxxxxxxx>: > On Wed, Jul 27, 2011 at 8:17 AM, Igor Blanco <iblanco@xxxxxxxxx> wrote: >> Hi everyone: >> I had a problem yesterday with a virtual machine and I was not very >> sure to whom I should report it so I much appreciate your opinion >> about it. >> I have a virtual machine that has a couple of CDROM drives attached >> with their ISO image each. The ISOs are read from a NFS mounted >> directory. >> >> Yesterady my NFS storage failed and I turned it off. When I did that >> the Guest machine got frozen, it seemed to me that it was blocked >> waiting for CDROM read. In a physical CDROM if a CD can not be read >> for a while it would give a read error and go on. Is this a QEMU bug ? >> A KVM bug ? An "expected" behaviour ? >> >> Environment: >> >> 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 >> Executed command line: >> >> /usr/bin/kvm -monitor unix:/var/run/qemu-server/106.mon,server,nowait >> -vnc unix:/var/run/qemu-server/106.vnc,password -pidfile >> /var/run/qemu-server/106.pid -daemonize -usbdevice tablet -name >> machine106 -smp sockets=2,cores=2 -nodefaults -boot menu=on -vga >> cirrus -tdf -k es -drive >> file=/mnt/pve/NFS_iso/cd1.iso,if=ide,index=0,media=cdrom -drive >> file=/mnt/pve/NFS_iso/cd2.iso,if=ide,index=2,media=cdrom -drive > > This is probably due to the NFS mount going offline. It's similar to > when your home directory is over NFS and the server goes away - > programs accessing files will become blocked. > > QEMU is designed to perform I/O without blocking the guest but there > are cases today where this is not being done. This hanging behavior > is a bug and should be fixed. > > I suggest filing a bug so this issue is not forgotten: > https://bugs.launchpad.net/qemu > > Stefan > -- Igor Blanco González Binovo IT Human Project e-mail: iblanco@xxxxxxxxx Telf. : 943 493611 - 690229375 Dirección: Astigarraga Bidea 2 Planta 2 Dcha. - Centro de empresas Ofi. 6 20180 Oiartzun ( Gipuzkoa ) -- 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
