Oops, my mistake, there are already LP bugs covering these issues.
Regards,
Daniel
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1784864
Title:
Various fscache/cachefiles bugs
Status in linux package in Ubuntu:
Invalid
Bug description:
SRU Justification
-----------------
A few bugs while using fscache/cachefiles on a NFS share have been
reported by a user. All are intermittent/race conditions.
[Impact]
Various BUGs/OOPSes:
- BUG on "Unexpected object collision"
- CacheFiles: Error: Overlong wait for old active object to go away /
CacheFiles: Error: Object already active /
kernel BUG at fs/cachefiles/namei.c:163!
- Unmounting an NFS share sometimes leads to an oops
[Fix]
Grab the following patches from Dave Howell's tree linux-fs tree in the
fscache-fixes branch
(https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=fscache-fixes)
- they're various small fixes within fscache/cachefiles.
4856fccd559f cachefiles: Wait rather than BUG'ing on "Unexpected object
collision"
28d64cf8990c cachefiles: Fix missing clear of the CACHEFILES_OBJECT_ACTIVE
flag
aedc4ca703bc fscache: Fix reference overput in fscache_attach_object() error
handling
[Testcase]
The user has run ~100 hours of NFS stress tests and have not seen these bugs
recur.
[Regression Potential]
- Limited to fscache/cachefiles.
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