On Thu, Feb 22, 2018 at 09:10:23PM +0000, Bart Van Assche wrote:
> Hello Omar,
> I/O hangs if I run the following command on top of kernel v4.16-rc2 + the
> ib_srpt patch that adds RDMA/CM support:
> srp-test/run_tests -c -d -r 10 -t 02-mq -e kyber
> This does not happen with the deadline scheduler nor without a scheduler.
> This test passed a few months ago. I have attached the output of the following
> command to this e-mail:
> (cd /sys/kernel/debug/block && grep -r .) | grep -v /poll_stat
> Can you have a look?
The following 2 patch fixes one IO hang on kyber in my test on USB, could
you test it and see if your case can be fixed?
BTW, from your attached log, looks it belongs to domain token leak
issue too, so it should have been addressed by above patches.