> -----Original Message----- > From: Laurence Oberman [mailto:loberman@xxxxxxxxxx] > Sent: Friday, March 02, 2018 8:09 AM > To: Ming Lei <ming.lei@xxxxxxxxxx> > Cc: Don Brace <don.brace@xxxxxxxxxxxxx>; Jens Axboe <axboe@xxxxxxxxx>; > linux-block@xxxxxxxxxxxxxxx; Christoph Hellwig <hch@xxxxxxxxxxxxx>; Mike > Snitzer <snitzer@xxxxxxxxxx>; linux-scsi@xxxxxxxxxxxxxxx; Hannes Reinecke > <hare@xxxxxxx>; Arun Easi <arun.easi@xxxxxxxxxx>; Omar Sandoval > <osandov@xxxxxx>; Martin K . Petersen <martin.petersen@xxxxxxxxxx>; James > Bottomley <james.bottomley@xxxxxxxxxxxxxxxxxxxxx>; Christoph Hellwig > <hch@xxxxxx>; Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>; Peter Rivera > <peter.rivera@xxxxxxxxxxxx>; Meelis Roos <mroos@xxxxxxxx> > Subject: Re: [PATCH V3 1/8] scsi: hpsa: fix selection of reply queue > > EXTERNAL EMAIL > > > On Fri, 2018-03-02 at 10:16 +0800, Ming Lei wrote: > > On Thu, Mar 01, 2018 at 04:19:34PM -0500, Laurence Oberman wrote: > > > On Thu, 2018-03-01 at 14:01 -0500, Laurence Oberman wrote: > > > > On Thu, 2018-03-01 at 16:18 +0000, Don Brace wrote: > > > > > > -----Original Message----- > > > > > > From: Ming Lei [mailto:ming.lei@xxxxxxxxxx] > > > > > > Sent: Tuesday, February 27, 2018 4:08 AM > > > > > > To: Jens Axboe <axboe@xxxxxxxxx>; linux-block@xxxxxxxxxxxxxxx > > > > > > ; > > > > > > Christoph > > > > > > Hellwig <hch@xxxxxxxxxxxxx>; Mike Snitzer <snitzer@xxxxxxxxxx > > > > > > > > > > > > > Cc: linux-scsi@xxxxxxxxxxxxxxx; Hannes Reinecke <hare@xxxxxxx > > > > > > >; > > > > > > Arun Easi > > > > > > <arun.easi@xxxxxxxxxx>; Omar Sandoval <osandov@xxxxxx>; > > > > > > Martin K > > > > > > . > > > > > > Petersen <martin.petersen@xxxxxxxxxx>; James Bottomley > > > > > > <james.bottomley@xxxxxxxxxxxxxxxxxxxxx>; Christoph Hellwig <h > > > > > > ch@l > > > > > > st > > > > > > .de>; > > > > > > Don Brace <don.brace@xxxxxxxxxxxxx>; Kashyap Desai > > > > > > <kashyap.desai@xxxxxxxxxxxx>; Peter Rivera <peter.rivera@broa > > > > > > dcom > > > > > > .c > > > > > > om>; > > > > > > Laurence Oberman <loberman@xxxxxxxxxx>; Ming Lei > > > > > > <ming.lei@xxxxxxxxxx>; Meelis Roos <mroos@xxxxxxxx> > > > > > > Subject: [PATCH V3 1/8] scsi: hpsa: fix selection of reply > > > > > > queue > > > > > > > > Seems Don run into IO failure without blk-mq, could you run your > > tests again > > in legacy mode? > > > > Thanks, > > Ming > > Hello Ming > I ran multiple passes on Legacy and still see no issues in my test bed > > BOOT_IMAGE=/vmlinuz-4.16.0-rc2.ming+ root=UUID=43f86d71-b1bf-4789- > a28e- > 21c6ddc90195 ro crashkernel=256M@64M log_buf_len=64M > console=ttyS1,115200n8 > > HEAD of the git kernel I am using > > 694e16f scsi: megaraid: improve scsi_mq performance via .host_tagset > 793686c scsi: hpsa: improve scsi_mq performance via .host_tagset > 60d5b36 block: null_blk: introduce module parameter of 'g_host_tags' > 8847067 scsi: Add template flag 'host_tagset' > a8fbdd6 blk-mq: introduce BLK_MQ_F_HOST_TAGS > 4710fab blk-mq: introduce 'start_tag' field to 'struct blk_mq_tags' > 09bb153 scsi: megaraid_sas: fix selection of reply queue > 52700d8 scsi: hpsa: fix selection of reply queue I checkout out Linus's tree (4.16.0-rc3+) and re-applied the above patches. I and have been running 24 hours with no issues. Evidently my forked copy was corrupted. So, my I/O testing has gone well. I'll run some performance numbers next. Thanks, Don
