linux-ext4 - Re: Write I/O queue hangup at random on recent Linus' kernels

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Date:   Fri, 26 Nov 2021 11:41:22 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     "Kenneth R. Crudup" <kenny@...ix.com>
Cc:     linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-nvme@...ts.infradead.org,
        Shinichiro Kawasaki <shinichiro.kawasaki@....com>
Subject: Re: Write I/O queue hangup at random on recent Linus' kernels

On 11/26/21 11:20 AM, Kenneth R. Crudup wrote:
> 
> On Fri, 26 Nov 2021, Jens Axboe wrote:
> 
>> I'd just do what you usually do, that's usually the best way to gain
>> confidence in the fix.
> ...
>> That said, I'm pretty confident in the fix,
> 
> OK, then I'll just continue my normal workflow.

Sounds good.

> ... but am I the first report of this you've seen? (I sometimes wonder how many
> people use the master branch as a daily driver; an -rc went out a couple of
> weeks ago that had a commit that broke suspend that manifested right away.)

https://lore.kernel.org/linux-block/20211126095352.bkbrvtgfcmfj3wkj@shindev/

There's another here from today. But this particular window has a pretty
narrow window, which often means that most people won't hit it, while the
people that do hit it all the time...

-- 
Jens Axboe