Good point. Here is the trace:
[New LWP 59231]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `fio --name=test_job --ioengine=libaio --direct=1 --rw=write --iodepth=32'.
Program terminated with signal 11, Segmentation fault.
#0 0x0000000000421e39 in regrow_log (iolog=0x7f828c0c5ad0) at stat.c:1909
1909 if (!cur_log) {
(gdb) bt
#0 0x0000000000421e39 in regrow_log (iolog=0x7f828c0c5ad0) at stat.c:1909
#1 0x000000000042d4df in regrow_logs (td=td@entry=0x7f8277de0000) at stat.c:1965
#2 0x000000000040ca90 in wait_for_completions (td=td@entry=0x7f8277de0000, time=time@entry=0x7fffcfb6b300) at backend.c:446
#3 0x000000000045ade7 in do_io (bytes_done=<synthetic pointer>, td=0x7f8277de0000) at backend.c:991
#4 thread_main (data=data@entry=0x264d450) at backend.c:1667
#5 0x000000000045cfec in run_threads (sk_out=sk_out@entry=0x0) at backend.c:2217
#6 0x000000000045d2cd in fio_backend (sk_out=sk_out@entry=0x0) at backend.c:2349
#7 0x000000000040d09c in main (argc=22, argv=0x7fffcfb6f638, envp=<optimized out>) at fio.c:63
Regards,
Jeff
-----Original Message-----
From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx]
Sent: Friday, June 10, 2016 12:17 AM
To: Jeff Furlong <jeff.furlong@xxxxxxxx>
Cc: fio@xxxxxxxxxxxxxxx
Subject: Re: fio signal 11
On 9 June 2016 at 22:58, Jeff Furlong <jeff.furlong@xxxxxxxx> wrote:
>
> Using the latest version from git, I am getting a signal 11 error when running some workloads. It may be that workloads fail when we wrap around the device capacity (e.g. runtime and time_based). See below example parameters:
>
> # fio --name=test_job --ioengine=libaio --direct=1 --rw=write
> --iodepth=32 --size=100% --numjobs=1 --bs=1m --filename=/dev/nvme0n1
> --group_reporting --write_bw_log=test_job --write_iops_log=test_job
> --write_lat_log=test_job --log_avg_msec=1000 --disable_lat=0
> --disable_clat=0 --disable_slat=0 --runtime=1500s --time_based
> --ramp_time=5s --output=test_job
>
> fio-2.11-17-ga275
> Starting 1 process
> fio: pid=145763, got signal=11
Could you run fio under gdb (
gdb ./fio
run --name=test_job --ioengine=libaio etc.
)
and when it crashes get a backtrace with thread apply all bt ?
--
Sitsofe | http://sucs.org/~sits/
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