Re: [REGRESSION] 6.7.1: md: raid5 hang and unresponsive system; successfully bisected

[Song Liu]

On Tue, Feb 6, 2024 at 12:56 PM Dan Moulding <dan@xxxxxxxx> wrote:
>
> > Dan, could you please run the test on this branch
> > (83cbdaf61b1ab9cdaa0321eeea734bc70ca069c8)?
>
> I'm sorry to report that I can still reproduce the problem running the
> kernel built from the md-6.9 branch (83cbdaf61b1a).
>
> But the only commit I see on that branch that's not in master and
> touches raid5.c is this one:
>
>     test@sysrescue:~/src/linux$ git log master..song/md-6.9 drivers/md/raid5.c
>     commit 61c90765e131e63ead773b9b99167415e246a945
>     Author: Yu Kuai <yukuai3@xxxxxxxxxx>
>     Date:   Thu Dec 28 20:55:51 2023 +0800
>
>         md: remove redundant check of 'mddev->sync_thread'
>
> Is that expected, or were you expecting additional fixes to be in there?

I don't expect that commit to fix the issue. It is expected to be merged to
master in the next merge window. I am curious why I cannot reproduce
the issue. Let me try more..

Thanks,
Song