From: bugzilla-daemon@kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 219166] occasional block layer hang when setting 'echo noop > /sys/block/sda/queue/scheduler'
Date: Thu, 05 Sep 2024 01:04:58 +0000 [thread overview]
Message-ID: <bug-219166-13602-1TqAJ48EY1@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-219166-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=219166
Lei Ming (tom.leiming@gmail.com) changed:
What |Removed |Added
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CC| |tom.leiming@gmail.com
--- Comment #11 from Lei Ming (tom.leiming@gmail.com) ---
Hi Richard,
Can you collect the blk-mq debugfs log for this virtio-blk devices?
(cd /sys/kernel/debug/block/vda && find . -type f -exec grep -aH . {} \;)
There is known io hang risk in case of MQ:
https://lore.kernel.org/linux-block/20240903081653.65613-1-songmuchun@bytedance.com/T/#m0212e28431d08e00a3de132ec40b2b907bb07177
If you or anyone can reproduce the issue, please test the above patches.
Thanks,
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next prev parent reply other threads:[~2024-09-05 1:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-16 7:43 [Bug 219166] New: ext4 hang when setting echo noop > /sys/block/sda/queue/scheduler bugzilla-daemon
2024-08-16 16:40 ` [Bug 219166] " bugzilla-daemon
2024-08-16 17:06 ` bugzilla-daemon
2024-08-16 20:36 ` bugzilla-daemon
2024-08-16 20:51 ` bugzilla-daemon
2024-08-17 10:22 ` bugzilla-daemon
2024-08-17 12:36 ` bugzilla-daemon
2024-08-17 12:38 ` bugzilla-daemon
2024-08-17 12:41 ` bugzilla-daemon
2024-08-17 13:58 ` bugzilla-daemon
2024-08-20 15:33 ` bugzilla-daemon
2024-08-20 15:33 ` [Bug 219166] occasional block layer hang when setting 'echo noop > /sys/block/sda/queue/scheduler' bugzilla-daemon
2024-09-05 1:04 ` bugzilla-daemon [this message]
2024-09-05 7:25 ` bugzilla-daemon
2024-09-05 9:32 ` bugzilla-daemon
2024-09-06 19:46 ` bugzilla-daemon
2024-09-06 20:28 ` bugzilla-daemon
2024-09-06 20:32 ` bugzilla-daemon
2024-09-07 7:49 ` bugzilla-daemon
2024-09-07 11:09 ` bugzilla-daemon
2024-09-07 11:10 ` bugzilla-daemon
2024-09-18 8:36 ` bugzilla-daemon
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