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SubjectFwd: Btrfs scrub on single ssd reports non existing errors on Linux 6.4
Hi,

I notice a regression report on Bugzilla [1]. Quoting from it:

> My distribution is a Manjaro 23.0.0, CPU is AMD A10.
> System disk is an SSD PNY_CS900 120Gb
>
> With Linux 6.4.6.1-MANJARO, a scrub on then system disk root reports errors and some times freeze the linux :
>
> sudo btrfs scrub status /
> UUID: 53e62983-fed7-46ed-b97c-23d19af4f26f
> Scrub started: Tue Aug 1 13:26:14 2023
> Status: running
> Duration: 0:03:21
> Time left: 1:12:50
> ETA: Tue Aug 1 14:42:25 2023
> Total to scrub: 85.39GiB
> Bytes scrubbed: 3.75GiB (4.40%)
> Rate: 19.13MiB/s
> Error summary: read=80
> Corrected: 34
> Uncorrectable: 46
> Unverified: 0
>
> In this case, this report is the last one before the Linux freeze.
> Scrub not always freese, but when it freeze only low level functionnalities as ping or ps are working.
>
> If Y downgrade the linux kernel to 6.1.41-1-MANJARO there is no errors :
>
> sudo btrfs scrub status /
> UUID: 53e62983-fed7-46ed-b97c-23d19af4f26f
> Scrub started: Thu Aug 3 14:17:11 2023
> Status: finished
> Duration: 0:04:41
> Total to scrub: 66.72GiB
> Rate: 225.62MiB/s
> Error summary: no errors found
>
> Ask me if you want more details.

See Bugzilla for the full thread.

Anyway, I'm adding this regression to be tracked by regzbot:

#regzbot introduced: v6.1.41..v6.4.6 https://bugzilla.kernel.org/show_bug.cgi?id=217758

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=217758

--
An old man doll... just what I always wanted! - Clara

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