I have updated the machine in questions to Kubuntu 8.04 (beta) and so far the issues seems to have gone away. Since it's a beta, there have been number of kernels installed on my system over the past few days, and of the two I've actually rebooted for, they have both worked fine... no nasty LVM snapshot lockups!
It would be nice to have this fixed for 7.10, but at least it looks like there is hope for 8.04. - Lowell On Tue, Apr 8, 2008 at 8:10 PM, jason <[EMAIL PROTECTED]> wrote: > i have a similar/same issue. i have 2 identical dell 2950 servers. > both are running vmware-server-1.0.4-1gutsy2 only. > > uname -a: > > Linux devel-vms-01 2.6.22-14-server #1 SMP Tue Feb 12 03:10:53 UTC 2008 > x86_64 GNU/Linux > > > free -m (as of now while things are fine): > > total used free shared buffers cached > Mem: 16079 11343 4735 0 40 10718 > -/+ buffers/cache: 584 15494 > Swap: 6203 0 6203 > > lvdisplay: > > --- Logical volume --- > LV Name /dev/vmware/virtual-machines > VG Name vmware > LV UUID 8KNzsj-NiWT-weMr-Rdvg-ULWT-q4rf-HBUCM9 > LV Write Access read/write > LV Status available > # open 1 > LV Size 1.35 TB > Current LE 353864 > Segments 1 > Allocation inherit > Read ahead sectors 0 > Block device 254:2 > > > i'm using a script that shutsdown the vm i want to backup, then makes a > snapshot and restarts the vm. the snapshots were taking around a minute > when it was working. i found that i could run some syncs before actually > doing the snapshot and the snapshot step would be instantaneous. until of > course, it hangs seemingly forever. i have to use sysrq to reboot as > previously mentioned. > > i have dmesg output from 2 times when the snapshot process hung which > i'm attaching. both appear to be stuck in the xfs driver, but at > slightly different places. > > it would be great if this could be resolved, but it sounds like > switching to a different filesystem is going to be required. i was able > to run my script and backup about 9 vms on one machine without any > issues, but when i tried it on the production machine that only had 3 > vms (1 fairly active) i started getting the hangs. then when trying > again on the machine that was working i got hangs after a couple of > snapshots worked. > > > ** Attachment added: "dmesg output from "echo t > /proc/sysrq-trigger" > http://launchpadlibrarian.net/13267769/task-dump.0 > > -- > LVM snapshot freezes system since 7.10 upgrade > https://bugs.launchpad.net/bugs/163807 > You received this bug notification because you are a direct subscriber > of the bug. > ** Attachment added: "unnamed" http://launchpadlibrarian.net/13270264/unnamed -- LVM snapshot freezes system since 7.10 upgrade https://bugs.launchpad.net/bugs/163807 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
