linux-ext4 - [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

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Message-ID: <bug-217965-13602-F4YcPSodG7@https.bugzilla.kernel.org/>
Date:   Tue, 03 Oct 2023 06:50:12 +0000
From:   bugzilla-daemon@...nel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

https://bugzilla.kernel.org/show_bug.cgi?id=217965

Ojaswin Mujoo (ojaswin.mujoo@....com) changed:

           What    |Removed                     |Added
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                 CC|                            |ojaswin.mujoo@....com

--- Comment #5 from Ojaswin Mujoo (ojaswin.mujoo@....com) ---
Hi Ivan, 

Thanks for sharing the additional information. So I can see that you are
passing stripe=32752 and from the backtrace and I do see some of the functions
in the trace that indicate that a striped allocation was taking place. There
were some changes in the allocator in 6.5 kernel if I'm not wrong but I'll need
to try to replicate this to confirm if the issue is related to those and update
here.

Meanwhile, can you provide some more info on the following:

1. I want to check if this issue is related to the striped allocation code path
or if its also seen in the usual path. To check that, will it be possible for
you to run the same workload without passing "stripe=32752" option during mount
time? 

2. How often do you see this issue, is it noticeable 100% of times? 

Regards,
ojaswin

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