On 08/30/2014 08:41 AM, Castor Fu wrote: > I see what looks to me like a deadlock when running with multiple jobs > in client/server mode. > However, I'm not too used to debugging multithreaded code, so I > figured maybe some additional eyes would help. > > This is on a Gen8 HP DL380 (dual socket x86_64) running CentOS EL6. > > I haven't seen this when just running from the command line. > > I start the daemon with: > > fio --daemonize=/tmp/fio.pid.4987 --server=localhost,8098 > > and a client with > fio --client=localhost 8098 --output=test_blk.20140830Z1419 test_bad2.fio > > # > [global] > > ioengine=libaio > thread=1 > bs=4k > filename=/dev/sdb > size=1M > do_verify=1 > iodepth=8 > stonewall > > [writes] > rw=write > # 3 passes > # 4 fails > numjobs=4 > > and sometimes (50% or higher with num_jobs=4) it hangs.
Sorry for being late on this, I can reproduce it. Will take a look! -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
