On 01/12/2015 04:50 PM, Jens Axboe wrote:
> On 01/09/2015 09:04 AM, George T Seese wrote:
>> fio team,
>>
>> I've found a bug that results in fio hanging at the end of a workload
>> involving log generation, in this case specific to latency log
>> generation. The bug appears in version 2.1.14, 2.2.4, and possibly
>> others. I have tested these scripts with 2.0.9 and they work. Slightly
>> different scripts work on 2.0.14 as well.
>>
>> Error message and script file are copy-pasted below. The job that
>> times out is not always the same job but, usually at least one does
>> time out, it's worse with more targets.
>>
>> fio: pid=37182, got signal=11
>> fio: job '/dev/sdc' hasn't exited in 60 seconds, it appears to be
>> stuck. Doing forceful exit of this job.
>>
>> [global]
>> bs=4k
>> runtime=1800
>> rw=randread
>> ;thread=1
>> direct=1
>> ioengine=libaio
>> ;offset=0
>> ;randommap=1
>> ;time_based=1
>> bwavgtime=5000
>> ;write_lat_log
>> ;stonewall=1
>> iodepth=1
>>
>> ;TargetDriveMarker
>> [/dev/sdc]
>> filename=/dev/sdc
>> write_lat_log=sdc
>>
>> [/dev/sdd]
>> filename=/dev/sdd
>> write_lat_log=sdd
>
> Thanks, I'll take a look at this.

Can you try the attached patch?

-- 
Jens Axboe