From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 25 Jul 2014 08:09:11 -0500 From: scameron@beardog.cce.hp.com Subject: Re: fio crash when using verify Message-ID: <20140725130911.GL14599@beardog.cce.hp.com> References: <20140722205947.GD14599@beardog.cce.hp.com> <53CF8A01.2090001@kernel.dk> <20140723142204.GK14599@beardog.cce.hp.com> <53CFC571.1090709@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53CFC571.1090709@kernel.dk> To: Jens Axboe Cc: fio@vger.kernel.org, scameron@beardog.cce.hp.com List-ID: On Wed, Jul 23, 2014 at 04:23:45PM +0200, Jens Axboe wrote: > On 2014-07-23 16:22, scameron@beardog.cce.hp.com wrote: > >On Wed, Jul 23, 2014 at 12:10:09PM +0200, Jens Axboe wrote: > >>On 2014-07-22 22:59, scameron@beardog.cce.hp.com wrote: > >>> > >>>Hi Jens, > >>> > >>>I'm running into a crash with fio today, seems to be easily reproducible. > >>> > >>>[root@msablackburn saperf]# fio --version > >>>fio-2.1.11-2-g90811 > >>> > >>>(top of current git tree.) > >>> > >>> > >>>[root@msablackburn saperf]# fio ./2drive_sdr_verify.fio > >>>4_KiB_RR_drive_r: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, > >>>ioengine=libaio, iodepth=170 > >>>4_KiB_RR_drive_s: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, > >>>ioengine=libaio, iodepth=170 > >>>fio-2.1.11-2-g90811 > >>>Starting 2 threads > >>>fio: io_u.c:1315: __get_io_u: Assertion `io_u->flags & IO_U_F_FREE' > >>>failed.a 58m:59s] > >>>Aborted (core dumped) > >> > >>Looks like there's a long standing race in the async verification. Does > >>this patch fix it for you? > > > >So far so good. Been running for about 30 minutes now when previously it > >would crash within a minute or two. > > Good, that's a lot better... The fix has been committed, btw, that's how > much confidence I have in my fixes ;-) > > Let me know how it goes when it has run longer. Seems to be holding up. I have now run this overnight a couple times without issue. -- steve