linux-ext4 - [Bug 219166] ext4 hang when setting echo noop

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Message-ID: <bug-219166-13602-TAL2rLIA8r@https.bugzilla.kernel.org/>
Date: Sat, 17 Aug 2024 12:41:18 +0000
From: bugzilla-daemon@...nel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 219166] ext4 hang when setting echo noop >
 /sys/block/sda/queue/scheduler

https://bugzilla.kernel.org/show_bug.cgi?id=219166

--- Comment #8 from Richard W.M. Jones (rjones@...hat.com) ---
> while true; do echo noop > /sys/block/sda/queue/scheduler 2>/dev/null ; done

Should be:

while true; do echo noop > /sys/block/vda/queue/scheduler 2>/dev/null ; done

as the guest is using virtio.  (Copied and pasted the instructions from my host
test, but I did use the correct command in the VM test.)

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