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Date:   Tue, 22 Jun 2021 18:29:48 +0200
From:   Jan Kara <jack@suse.cz>
To:     Oleksandr Natalenko <oleksandr@natalenko.name>
Cc:     Paolo Valente <paolo.valente@linaro.org>,
        Jens Axboe <axboe@kernel.dk>,
        linux-block <linux-block@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Luca Mariotti <mariottiluca1@hotmail.it>,
        Holger =?iso-8859-1?Q?Hoffst=E4tte?= 
        <holger@applied-asynchrony.com>,
        Pietro Pedroni <pedroni.pietro.96@gmail.com>,
        Piotr Gorski <lucjan.lucjanov@gmail.com>,
        Khazhy Kumykov <khazhy@google.com>, Jan Kara <jack@suse.cz>
Subject: Re: [PATCH FIXES/IMPROVEMENTS 0/7] block, bfq: preserve control,
 boost throughput, fix bugs
Message-ID: <20210622162948.GJ14261@quack2.suse.cz>
References: <20210619140948.98712-1-paolo.valente@linaro.org>
 <3533087.dJKXTdksHR@spock>
 <2CDC43F9-9CD9-4F7F-BD36-CCEB168B5245@linaro.org>
 <8003699.Qy64SzLKsf@spock>
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On Tue 22-06-21 09:35:05, Oleksandr Natalenko wrote:
> Hello.
> 
> On úterý 22. června 2021 9:08:43 CEST Paolo Valente wrote:
> > CCing also Jan and Khazhy, because in your commit log I see also the
> > commit on bfq_requests_merged().
> > 
> > Is this OOPS reproducible for you?
> 
> No, I haven't found a reproducer, at least yet. It took half a day of uptime 
> to hit this, so might not be that easy.

Hum, if you can acquire a crash dump it would be the easiest I guess. We'd
need to find out more about the request we crash on - whether it's
otherwise valid, in what state it is etc...

								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR