On Thu, Aug 14, 2008 at 10:22:29AM +0300, Pasi Kärkkäinen wrote: > On Wed, Aug 13, 2008 at 08:51:34PM -0500, Christopher G. Stach II wrote: > > Pasi Kärkkäinen wrote: > > >Hello! > > > > > >I've noticed this problem two times now.. last time I fixed it by rebooting > > >the (centos 5.1 x86 32b) xen host/dom0. > > > > > >Symptoms: > > > > > >- Already running domUs (debian 2.6.18-6-xen-686 32b PAE) continue running > > > and working OK > > > > > >- Cannot start new domUs (debian 2.6.18-6-xen-686).. kernel bootup just > > >hangs before running initrd. Same domU with the exact same xen domU > > >cfgfile worked > > >earlier. > > > > > >- This problem starts to happen after a "longer" uptime.. atm uptime for > > >the > > >dom0-host is 174 days. Cannot say what the actual "limit" is.. last time I > > >used the dom0 everything worked fine, now it doesn't.. > > > > > > > > >"xm list" shows the domain as "-b----" and the Time(s) for the domain does > > >not increase.. it stays at 1.9 or so. It might increase to 2.0 after 15 > > >mins > > >or so.. it looks like nothing happens in domU kernel. > > > > > >"xm console" shows the bootup has stalled.. destroying the domU and > > >restarting it might show the hang in a bit different place > > >(+- a couple of lines). It always hangs before actually executing initrd > > >image. > > > > > >Example console output: > > > > > >checking if image is initramfs... it is > > >Freeing initrd memory: 12028k freed > > >Grant table initialized > > >NET: Registered protocol family 16 > > >SMP alternatives: switching to SMP code > > ><hangs here, nothing happens anymore> > > > > > >Like said, it could be a couple of lines later or earlier where it hangs.. > > > > > >I tried changing the domU to use just a single vcpu.. doesn't help. I tried > > >changing (lowering and increasing) the amount of memory.. didn't help > > >either. > > > > > >Any ideas how to debug this? > > > > > >-- Pasi > > >_______________________________________________ > > >CentOS-virt mailing list > > >CentOS-virt at centos.org > > >http://lists.centos.org/mailman/listinfo/centos-virt > > > > Sometimes xenconsoled dies after a while. Is it running when you > > attempt this? > > > > Yep, it was running.. maybe I'll try restarting it. > After killing xenconsoled and restarting it I'm now able to "xm create" domUs again.. Any idea if this is a known bug? -- Pasi