On Thu, Jan 25, 2024 at 8:44 AM <junxiao.bi@xxxxxxxxxx> wrote: > > Hi Dan, > > Thanks for the report. > > Can you define the hung? No hung task or other error from dmesg, any > process in D status and what is the call trace if there is? From the > perf result, looks like the raid thread is doing some real job, it may > be issuing io since ops_run_io() took around 20% cpu, please share > "iostat -xz 1" while the workload is running, i am wondering is this > some performance issue with the workload? I am hoping to get a repro on my side. From the information shared by Dan, the md thread is busy looping on some stripes. The issue probably only triggers with raid5 journal. Thanks, Song
