On Fri, Nov 27, 2009 at 12:01:53AM +0100, Vincent Danjean wrote: > Package: libvirt > Version: 0.7.2-4 > Severity: important > > Hi, > > I just upgraded my system. After a reboot (of the host), my virtual machines > (debian lenny) does not boot any more. > When I try to start my virtual machine (virsh start --console guestname), > I show the grub screen, the start of the boot and it freeze when trying to > remount the root fs. > I booted with init=/bin/sh, run manually the scripts in /etc/rcS.d, run > /etc/rcS.d/S10checkroot.sh with tracing (bash -x /etc/rcS.d/S10checkroot.sh > start) > and see that the freeze occurs during the remount of the root fs. > On the (serial) console, I can see a kernel message such as (I did not write > it when I saw it): > ==== > task mount:102 blocked for more than 120 seconds. > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > ==== > > I do not see in 0.7.2-4 changelog what would explain this compared to > 0.7.2-3. > But the fact is that I tried to reboot with several kernel, I tried to use > qemu-kvm, > kvm from unstable, kvm from testing and I always have this freeze. > Then I downgraded libvirt0, libvirt-bin, python-libvirt from 0.7.2-4 to > 0.7.2-3 > and virtinst from 0.500.0-3 to 0.500.0-2 and than my guest has been booting > correctly as always (and here again, it is working with several kernels, with > kvm and the new qemu-kvm). > So this bug seems clearly related with the libvirt package. > > I set the severity to important because the 0.7.2-4 package is a no go for > me. But I do not see other bug report, so I'm not sure if this problem is > widespread. If this is the case, the severity should be dumped to block > testing > migration. Are you using qemu:///system? If so it's likely that the build against libcap-ng causes your problem. Are the images you're mouting belonging to root:libvirt? Cheers, -- Guido
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