From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <53BEF29E.3040500@kernel.dk> Date: Thu, 10 Jul 2014 22:07:58 +0200 From: Jens Axboe MIME-Version: 1.0 Subject: Re: fio hangs with --status-interval References: <53BE5286.2060203@kernel.dk> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: Michael Mattsson Cc: fio@vger.kernel.org List-ID: 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 > > 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