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Message-ID: <bug-219166-13602-1TqAJ48EY1@https.bugzilla.kernel.org/> Date: Thu, 05 Sep 2024 01:04:58 +0000 From: bugzilla-daemon@...nel.org To: linux-ext4@...r.kernel.org Subject: [Bug 219166] occasional block layer hang when setting 'echo noop > /sys/block/sda/queue/scheduler' https://bugzilla.kernel.org/show_bug.cgi?id=219166 Lei Ming (tom.leiming@...il.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tom.leiming@...il.com --- Comment #11 from Lei Ming (tom.leiming@...il.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, -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
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