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From: Jens Axboe <axboe@kernel.dk>
To: Michael Mattsson <michael.mattsson@gmail.com>
Cc: fio@vger.kernel.org
Subject: Re: fio hangs with --status-interval
Date: Thu, 10 Jul 2014 22:07:58 +0200	[thread overview]
Message-ID: <53BEF29E.3040500@kernel.dk> (raw)
In-Reply-To: <CAE56cDvPKq31NrawN_KZF2+eDHiMY2A7azsx8z_DQfG1=-_cnw@mail.gmail.com>

On 2014-07-10 16:55, Michael Mattsson wrote:
> Hey,
> Thanks for the patch. I got log output but I had two clients hanging
> in the same way with the attached patch.
>
> $ patch -p0 < stat.patch
> patching file b/stat.c
> patching file b/stat.h
> Hunk #1 succeeded at 213 (offset -5 lines).
>
> I was using --output <filename>
>
> Worth mentioning here is that on the NFS server the output file is
> written to is issuing a stat(1) on the above output file once per
> second. Could it cause any prolems?

OK, so next question. If you leave it long enough, do you get "stuck 
process" dumps from the kernel? In any case, a:

# echo t > /proc/sysrq-trigger

dump would be handy to see for all the fio processes, this doesn't smell 
like a fio issue.

-- 
Jens Axboe



  reply	other threads:[~2014-07-10 20:07 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-09 22:56 fio hangs with --status-interval Michael Mattsson
2014-07-10  8:44 ` Jens Axboe
2014-07-10 14:55   ` Michael Mattsson
2014-07-10 20:07     ` Jens Axboe [this message]
2014-07-10 21:27       ` Michael Mattsson
2014-07-11 11:48         ` Jens Axboe
2014-07-11 16:19           ` Michael Mattsson
2014-07-12  8:42             ` Jens Axboe
2014-07-16 16:58               ` Vasily Tarasov
2014-07-21  8:08                 ` Jens Axboe
2014-07-21 20:25                   ` Vasily Tarasov
2014-07-21 20:54                     ` Jens Axboe
2014-07-25  7:43                     ` Jens Axboe
2014-07-25  7:56                       ` Jens Axboe
2014-07-25 16:34                         ` Vasily Tarasov
2014-07-28  8:56                           ` Jens Axboe
2014-07-28 16:05                             ` Vasily Tarasov
2014-07-28 19:49                               ` Jens Axboe
2014-10-23 15:57                                 ` Michael Mattsson
2014-10-23 16:01                                   ` Jens Axboe
2014-10-23 21:58                                     ` Michael Mattsson
2014-10-24  5:17                                       ` Jens Axboe
2014-10-24 15:33                                         ` Michael Mattsson
2014-10-24 15:50                                           ` Jens Axboe
2014-11-04 15:46                                             ` Vasily Tarasov

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