See http://www.redhat.com/archives/dm-devel/2012-July/msg00015.html for
a confirmation of this issue on mainline 3.5rc4 (since fixed).
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1327360
Title:
xfs_btree_cur leak
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
There appears to be a kernel memory leak of xfs_btree_cur in recent
Precise kernels (3.2.0-45 and -63 are affected, for sure). The slab
can grow unbounded; we've seen it grow larger than 32GB via slabtop.
The affected hosts have XFS mounted on / (root filesystem).
We have another host running 3.2.0-38 in which we do not see this
problem (it has a 37TB XFS filesystem mounted, but not on root).
Upgrading to the latest 3.8.0-41 kernel via linux-generic-lts-raring
seems to resolve the issue.
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