** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1851470
Title:
cephfs mounts hangs machine when written to
Status in linux package in Ubuntu:
Fix Released
Bug description:
As reported on the ceph-users mailing list, the latest HWE kernel for
ubuntu 18.04 (and the current kernel for disco 19.04) has a problem
with cephfs mounts when you write to it. (kernel version 5.0.0-32)
We are using cephfs to write backups to with amanda (virtual tapes)
and the backups started failing when the virtual machine was running
this version of the kernel.
As it is the latest kernel version and we like to keep up with
updates, we have trouble uninstalling the latest kernel version,
because then we also need to uninstall the package that depends on the
latest hwe kernel.
https://www.mail-archive.com/[email protected]/msg00940.html
downgrading to (or booting) 5.0.0-31 helps:
https://www.mail-archive.com/[email protected]/msg00941.html
The problem seems to be this backported patch:
"ceph: use ceph_evict_inode to cleanup inode's resource"
The severity is high when using cephfs mounted while running this
kernel, the file system is unusable.
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