On Mon, Jun 09, 2014 at 08:08:50AM -0600, Jens Axboe wrote: > >[ 487.704074] nvme 0000:00:07.0: Cancelling I/O 202 QID 1 > >[ 487.717881] nvme 0000:00:07.0: Aborting I/O 202 QID 1 > >[ 487.736093] end_request: I/O error, dev nvme0n1, sector 91532352 > >[ 487.747378] nvme 0000:00:07.0: completed id 0 twice on queue 0 > > > > > >when running fio randread(libaio, iodepth:64) with more than 3 jobs. > > > >And looks no such failure when jobs is 1 or 2. > > It's a known issue, make sure you have this patch: > > http://git.kernel.dk/?p=linux-block.git;a=commit;h=f6be4fb4bcb396fc3b1c134b7863351972de081f
So without this patch we can get duplicate completions? That could explain the issues that Robert sees with scsi-mq and hpsa.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
