On Thu, 2018-01-18 at 22:24 +0000, Bart Van Assche wrote: > On Thu, 2018-01-18 at 17:18 -0500, Laurence Oberman wrote: > > OK, I ran 5 at once of 5 separate mount points. > > I am using 4k block sizes > > Its solid consistent for me. No stalls no gaps. > > Hi Laurence, > > That's great news and thank you for having shared this information > but I think > it should be mentioned that you have been running my tree in which > some recent > block and dm patches were reverted > (https://github.com/bvanassche/linux/tree/block-scsi-for-next) > > > > > [global] > > name=02-mq > > filename=fio-output-02-mq.txt > > rw=randwrite > > verify=md5 > > ;rwmixread=60 > > ;rwmixwrite=40 > > bs=4K > > ;direct=1 > > ;numjobs=4 > > ;time_based=1 > > runtime=120 > > > > [file1] > > size=3G > > ioengine=libaio > > iodepth=16 > > > > I watch I/O and I see it ramp up but fio still runs and it kind of > > shuts down. > > In test "file1" I see an I/O size of 3G. Does that mean that the > patch that > should fix the sgl_alloc() issue is working? > > Thanks, > > Bart. Hello Bart Thank you. OK, so booting into Mike tree now and then hopefully I get the lockups. Can you give me some idea of what to look for. I assume I/O just stops. I want to get this happening in-house so we have an avenue to fix this. Following getting the stall I will attend to the slg patch test for the SRPT side. Please note I am not running latest SRPT right now as you know. Regards Back later with results
