linux-ext4 - [Bug 219166] occasional block layer hang when setting 'echo noop

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Message-ID: <bug-219166-13602-rqQvdccEby@https.bugzilla.kernel.org/>
Date: Thu, 05 Sep 2024 07:25:52 +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

--- Comment #12 from Richard W.M. Jones (rjones@...hat.com) ---
Is it possible to get this from 'crash' utility (ie from kernel structs)?  The
VM hangs fairly hard when this problem is hit.

I can try the kernel patches though, will see if I can do that today.

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