On 09/11/2014 02:45 PM, Jens Axboe wrote: > 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! Committed a fix for this, can you check current -git? This is the fix: http://git.kernel.dk/?p=fio.git;a=commit;h=44c8268d6e6d3b3f1efb1eb8a1c2d7bba1e8477b -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
