From: bugzilla-daemon@kernel.org
To: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [Bug 216050] f2fs_gc occupies 100% cpu
Date: Fri, 29 Jul 2022 02:51:09 +0000 [thread overview]
Message-ID: <bug-216050-202145-vLCrUGANqn@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-216050-202145@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=216050
--- Comment #43 from Chao Yu (chao@kernel.org) ---
(In reply to bernd_b from comment #42)
> I added the dmesg output in the attachment but I fear there is nothing
> useful to be found.
[ 2443.069033] f2fs_get_lock_data_page i:205012000
[ 2443.069688] f2fs_get_lock_data_page i:205014000
[ 2443.070016] f2fs_get_lock_data_page i:205015000
[ 2443.070344] f2fs_get_lock_data_page i:205016000
[ 2443.070672] f2fs_get_lock_data_page i:205017000
[ 2443.071000] f2fs_get_lock_data_page i:205018000
Thanks a lot for helping to debug this bug, I guess the output looks useful,
since at least we have found where it loops at. I have no idea why it loops
here since it's an impossible case, I can make a patch to skip this loop, but
I'm afraid that won't fix root cause... :(
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Thread overview: 182+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-30 11:28 [f2fs-dev] [Bug 216050] New: fsfs_gc occupies 100% cpu bugzilla-daemon
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