On Sun, May 20, 2018 at 10:35:29PM +0000, Bart Van Assche wrote: > On Sun, 2018-05-20 at 18:31 -0400, Kent Overstreet wrote: > > On Sun, May 20, 2018 at 10:19:13PM +0000, Bart Van Assche wrote: > > > On Sun, 2018-05-20 at 18:17 -0400, Kent Overstreet wrote: > > > > On Fri, May 18, 2018 at 03:12:27PM +0000, Bart Van Assche wrote: > > > > > On Fri, 2018-05-18 at 05:06 -0400, Kent Overstreet wrote: > > > > > > On Thu, May 17, 2018 at 08:54:57PM +0000, Bart Van Assche wrote: > > > > > > > With Jens' latest for-next branch I hit the kernel warning shown below. Can > > > > > > > you have a look? > > > > > > > > > > > > Any hints on how to reproduce it? > > > > > > > > > > Sure. This is how I triggered it: > > > > > * Clone https://github.com/bvanassche/srp-test. > > > > > * Follow the instructions in README.md. > > > > > * Run srp-test/run_tests -c -r 10 > > > > > > > > Can you bisect it? I don't have infiniband hardware handy... > > > > > > Hello Kent, > > > > > > Have you noticed that the test I described uses the rdma_rxe driver and hence that > > > no InfiniBand hardware is needed to run that test? > > > > No, I'm not terribly familiar with infiniband stuff.... > > > > Do you have some sort of self contained test/qemu recipe? I would really rather > > not have to figure out how to configure multipath, and infiniband, and I'm not > > even sure what else is needed based on that readme... > > Hello Kent, > > Please have another look at the srp-test README. The instructions in that document > are easy to follow. No multipath nor any InfiniBand knowledge is required. The test > even can be run in a virtual machine in case you would be worried about potential > impact of the test on the rest of the system. I really have better things to do than debug someone else's tests... Restarting multipath-tools (via systemctl): multipath-tools.service. multipathd> reconfigure ok multipathd> make -C discontiguous-io discontiguous-io make[1]: Entering directory '/host/home/kent/ktest/tests/srp-test/discontiguous-io' make[1]: 'discontiguous-io' is up to date. make[1]: Leaving directory '/host/home/kent/ktest/tests/srp-test/discontiguous-io' Unloaded the ib_srpt kernel module Unloaded the rdma_rxe kernel module ../run_tests: line 65: cd: /lib/modules/4.16.0+/kernel/block: No such file or directory Zero-initializing /dev/ram0 ... done Zero-initializing /dev/ram1 ... done Unable to load target_core_pscsi Unable to load target_core_user Configured SRP target driver Running test ../tests/01 ... Unloaded the ib_srp kernel module SRP login failed Test ../tests/01 failed Running test ../tests/02-mq ... Test file I/O on top of multipath concurrently with logout and login (10 min; mq) Unloaded the ib_srp kernel module SRP login failed Test ../tests/02-mq failed Running test ../tests/02-sq ... Test file I/O on top of multipath concurrently with logout and login (10 min; sq) Unloaded the ib_srp kernel module SRP login failed Test ../tests/02-sq failed Running test ../tests/02-sq-on-mq ... Test file I/O on top of multipath concurrently with logout and login (10 min; sq-on-mq) Unloaded the ib_srp kernel module SRP login failed Test ../tests/02-sq-on-mq failed Running test ../tests/03-4M ... Test direct I/O with large transfer sizes and cmd_sg_entries=255 Unloaded the ib_srp kernel module SRP login failed Test ../tests/03-4M failed Running test ../tests/03-8M ... Test direct I/O with large transfer sizes and cmd_sg_entries=255 Unloaded the ib_srp kernel module SRP login failed Test ../tests/03-8M failed Running test ../tests/04-4M ... Test direct I/O with large transfer sizes and cmd_sg_entries=1 Unloaded the ib_srp kernel module SRP login failed Test ../tests/04-4M failed Running test ../tests/04-8M ... Test direct I/O with large transfer sizes and cmd_sg_entries=1 Unloaded the ib_srp kernel module SRP login failed Test ../tests/04-8M failed Running test ../tests/05-4M ... Test buffered I/O with large transfer sizes and cmd_sg_entries=255 Unloaded the ib_srp kernel module SRP login failed Test ../tests/05-4M failed Running test ../tests/05-8M ... Test buffered I/O with large transfer sizes and cmd_sg_entries=255 Unloaded the ib_srp kernel module SRP login failed Test ../tests/05-8M failed Running test ../tests/06 ... Test block I/O on top of multipath concurrently with logout and login (10 min) Unloaded the ib_srp kernel module SRP login failed Test ../tests/06 failed 0 tests succeeded and 11 tests failed Unloaded the ib_srpt kernel module Unloaded the rdma_rxe kernel module ========= PASSED srp in 18s
