On 2014-06-08 22:35, Ming Lei wrote:
On Fri, Jun 6, 2014 at 8:20 PM, Matias Bjørling <m...@bjorling.me> wrote:
This converts the current NVMe driver to utilize the blk-mq layer.
Looks it can't be applied cleanly against 3.15-rc8 + Jens's for-linux
branch, when I fix the conflict manually, below failure is triggered:
[ 487.696057] nvme 0000:00:07.0: Cancelling I/O 202 QID 1
[ 487.699005] nvme 0000:00:07.0: Aborting I/O 202 QID 1
[ 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
--
Jens Axboe
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