On 01/26/2017 05:38 PM, Bart Van Assche wrote: > On Thu, 2017-01-26 at 16:50 -0700, Jens Axboe wrote: >> Clearly we are missing some requests. How do I setup dm similarly to >> you? >> >> Does it reproduce without Christoph's patchset? > > Hello Jens, > > 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? > Regarding creating a similar dm setup: I hope that in the future it > will become possible to run the srp-test software without any special > hardware and with in-tree drivers. Today running the srp-test software > with in-tree drivers namely requires IB hardware. This is how to run the > srp-test software today with in-tree drivers: > * Find a system with at least two InfiniBand ports. > * Make sure that the appropriate IB driver in the kernel is enabled and > also that LIO (CONFIG_TARGET_CORE=m and CONFIG_TCM_FILEIO=m), ib_srp, > ib_srpt and dm-mpath are built as kernel modules. > * If none of the IB ports are connected to an IB switch, connect the > two ports to each other and configure and start the opensm software > such that the port states change from "Initializing" to "Active". > * Check with "ibstat | grep State: Active" that at least one port is > in the active state. > * Configure multipathd as explained in > https://github.com/bvanassche/srp-test/blob/master/README.md. > * Restart multipathd to make sure it picks up /etc/multipath.conf. > * Clone https://github.com/bvanassche/srp-test and start it as follows: > srp-test/run_tests -t 02-mq I can't run that. Any chance of a test case that doesn't require IB? -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
