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From: Paolo Valente <paolo.valente@linaro.org>
To: Mike Galbraith <efault@gmx.de>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block <linux-block@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Mark Brown <broonie@kernel.org>,
	linus.walleij@linaro.org, bfq-iosched@googlegroups.com,
	oleksandr@natalenko.name
Subject: Re: [PATCH BUGFIX] block, bfq: postpone rq preparation to insert or merge
Date: Sat, 5 May 2018 12:39:44 +0200	[thread overview]
Message-ID: <9F155F9F-F6B2-465A-BA4D-A86FF6825071@linaro.org> (raw)
In-Reply-To: <1525508378.5406.6.camel@gmx.de>



> Il giorno 05 mag 2018, alle ore 10:19, Mike Galbraith <efault@gmx.de> ha scritto:
> 
> On Fri, 2018-05-04 at 21:46 +0200, Mike Galbraith wrote:
>> Tentatively, I suspect you've just fixed the nasty stalls I reported a
>> while back.
> 
> Oh well, so much for optimism.  It took a lot, but just hung.

Yep, it'd have been a lot of luck, being your hang related to
different operations from those touched by this fix.  Maybe
time-before-failure stretched because your system suffered from the
illness cured by this fix too.

BTW, if you didn't run out of patience with this permanent issue yet,
I was thinking of two o three changes to retry to trigger your failure
reliably.  In case of success, I could restart racking my brains from
there.

Thanks,
Paolo

  reply	other threads:[~2018-05-05 10:39 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-04 17:17 Paolo Valente
2018-05-04 19:46 ` Mike Galbraith
2018-05-05  8:19   ` Mike Galbraith
2018-05-05 10:39     ` Paolo Valente [this message]
2018-05-05 14:56       ` Mike Galbraith
2018-05-06  7:42         ` Paolo Valente
2018-05-07  2:43           ` Mike Galbraith
2018-05-07  3:23             ` Mike Galbraith
2018-05-07  9:32               ` Paolo Valente
2018-05-07  5:56           ` Mike Galbraith
2018-05-07  9:27             ` Paolo Valente
2018-05-07 10:01               ` Mike Galbraith
2018-05-07 18:03                 ` Paolo Valente
2018-05-06  7:33 ` Oleksandr Natalenko
2018-05-10 16:14 ` Bart Van Assche
2018-05-14 17:16   ` Paolo Valente
2018-05-14 17:31     ` Jens Axboe
2018-05-14 17:37       ` Paolo Valente

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