*** This bug is a duplicate of bug 1781364 ***
https://bugs.launchpad.net/bugs/1781364
** This bug has been marked a duplicate of bug 1781364
Kernel error "task zfs:pid blocked for more than 120 seconds"
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** Changed in: linux
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1773392
Title:
zfs hangs on mount/unmount
Status in Linux:
Fix Released
Status i
** Changed in: linux
Status: Unknown => New
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Title:
zfs hangs on mount/unmount
Status in Linux:
New
Status in linux packag
** Bug watch added: Github Issue Tracker for ZFS #7659
https://github.com/zfsonlinux/zfs/issues/7659
** Changed in: linux
Status: Fix Released => Unknown
** Changed in: linux
Remote watch: Github Issue Tracker for ZFS #7691 => Github Issue Tracker for
ZFS #7659
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** Changed in: linux
Status: Unknown => Fix Released
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Title:
zfs hangs on mount/unmount
Status in Linux:
Fix Released
Stat
Upstream bug report and pull request to try:
"Kernel error "task zfs:pid blocked for more than 120 seconds" #7691"
https://github.com/zfsonlinux/zfs/issues/7691
"Fix zpl_mount() deadlock #7693"
https://github.com/zfsonlinux/zfs/pull/7693
** Bug watch added: Github Issue Tracker for ZFS #7691
It's an issue for my server too. LXD hangs when I try to restart
containers at times. I'm switching to libvirt until this is resolved.
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vmlinuz-4.15.0-23-generic - it seems ok!
I have upgraded normally and everything is fine, the machine boots up.
It's all done for me.
Thanks!
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4.15.0-23-generic - same bug: zfs still hangs.
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Title:
zfs hangs on mount/unmount
Status in linux package in Ubuntu:
Confirmed
B
And another little update:
I started to downgrade kernels on my serves (ubuntu 18.04 lxd hw nodes) and
also I had a problem: HP blade gen8 hangs on reboot/shutdown (system indicates
blade failure and you need to pull it off and insert again), while gen7 works
fine.
With 4.13 kernel gen8 works f
And another little update to previous experiment:
Everything works fine with kernel 4.13.0-36 and zfs 0.7.5 IF you create new
zpool with disabled unsupported features:
feature@multi_vdev_crash_dump
feature@large_dnode
feature@sha512
feature@skein
feature@edonr
feature@userobj_accounting
Problem
Another experiment:
1) Setting new ubuntu 18.04 server with LXD on ZFS - zfs hangs on ct restart
2) Install 4.13.0-36 (from 16.04 HWE install disk) kernel + zfs 0.6.5 from
xenial repo (because 0.7.5 not compatible with old kernel)
3) Setup grub to load old kernel and reboot
4) And... everything i
Little update here:
I tried ubuntu server 16.04 with HWE (4.13.0-36-generic) and lxd 3.0 + zfs
0.7.5 (latest from bionic repo) - and it seems there is no such bug with 4.13
kernel.
After that I updated kernel (from bionic repo again - 4.15.0-22-generic)
- and but appear again: zfs hangs if my
apport information
** Tags added: apport-collected
** Description changed:
I am running lxd 3.0 on ubuntu 18.04 with kernel 4.15.0-22-generic and
4.15.0-20-generic (same behaviour) with zfs backend (0.7.5-1ubuntu16;
also tried 0.7.9).
Sometimes lxd hangs when I try to stop / restart o
Little notice also: after that hang is happend you can't shutdown or
reboot your server, you need to reset it or turn it off manually (or via
ipmi).
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