* [Bug 211329] XFS related memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
@ 2021-01-24 23:16 ` bugzilla-daemon
2021-01-25 0:20 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-24 23:16 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
--- Comment #1 from Cameron (cam@neo-zeon.de) ---
This also has not happened (yet) on my 2nd ppc64le box. Exact same kernel
configuration.
Specs:
Raptor CS Blackbird motherbord
1x 8 core POWER9
64 GB of memory
df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/sdb3 470G 149G 321G 32% /
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* [Bug 211329] XFS related memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
2021-01-24 23:16 ` [Bug 211329] " bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-25 0:20 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
Eric Sandeen (sandeen@sandeen.net) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sandeen@sandeen.net
--- Comment #2 from Eric Sandeen (sandeen@sandeen.net) ---
At first glance, the allocation in question (blkg_alloc) is in the block/cgroup
code, not XFS.
What leads you to believe that this is unique to XFS?
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* [Bug 211329] XFS related memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
2021-01-24 23:16 ` [Bug 211329] " bugzilla-daemon
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@ 2021-01-25 0:38 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-25 0:38 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
--- Comment #3 from Cameron (cam@neo-zeon.de) ---
My poor interpretation of the stacktraces apparently. My bad!
I stopped and started one of the LXC containers and another 2 leaks were
detected. Which product/component would it fall under virtualization?
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* [Bug 211329] XFS related memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-25 1:56 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
--- Comment #4 from Eric Sandeen (sandeen@sandeen.net) ---
Depends where the leaks are, are they all from blkg_alloc? It'd be block layer,
I'm not sure which (if any) component is appropriate, perhaps IO/storage.
-Eric
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* [Bug 211329] XFS related memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
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2021-01-25 1:56 ` bugzilla-daemon
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2021-01-26 17:02 ` [Bug 211329] blkg_alloc " bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-25 2:15 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
Cameron (cam@neo-zeon.de) changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|XFS |Other
Product|File System |IO/Storage
--- Comment #5 from Cameron (cam@neo-zeon.de) ---
Yes, they're all blkg_alloc.
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* [Bug 211329] blkg_alloc memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-26 17:02 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
Cameron (cam@neo-zeon.de) changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Other |Block Layer
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* [Bug 211329] blkg_alloc memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
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2021-01-26 17:02 ` [Bug 211329] blkg_alloc " bugzilla-daemon
@ 2021-01-30 16:32 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-30 16:32 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
Cameron (cam@neo-zeon.de) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
--- Comment #6 from Cameron (cam@neo-zeon.de) ---
The issue appears to be transient. Leaks are detected, and after a clear and a
a re-scan, leaks are no longer present. I'm thinking these are false positives.
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* [Bug 211329] blkg_alloc memory leak on ppc64le
2021-01-24 23:02 [Bug 211329] New: XFS related memory leak on ppc64le bugzilla-daemon
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From: bugzilla-daemon @ 2021-01-31 6:44 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=211329
kch@kernel.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kch@kernel.org
--- Comment #7 from kch@kernel.org ---
Is also seems to me that you are using bacache. Did you try to bisect the
problem?
Or did you try to reproduce it on the membacked null_blk with xfs to make sure
it is not the device before coming to the conclusion that xfs is the problem?
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