On 01/26/2017 06:15 PM, Bart Van Assche wrote: > On Thu, 2017-01-26 at 17:41 -0700, Jens Axboe wrote: >> On 01/26/2017 05:38 PM, Bart Van Assche wrote: >>> I see similar behavior with the blk-mq-sched branch of >>> git://git.kernel.dk/linux-block.git (git commit ID 0efe27068ecf): >>> booting happens much slower than usual and I/O hangs if I run the >>> srp-test software. >> >> Please don't run that, run for-4.11/block and merge it to master. >> Same behavior? > > I have not yet had the chance to run the srp-test software against that > kernel. But I already see that booting takes more than ten times longer > than usual. Note: as far as I know the dm-mpath driver is not involved > in the boot process of my test system. What's your boot device? I've been booting this on a variety of setups, no problems observed. It's booting my laptop, and on SCSI and SATA as well. What is your root drive? What is the queue depth of it? Controller? -- Jens Axboe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
