On Tue, 2018-12-11 at 18:05 -0500, Mike Snitzer wrote: +AD4 On Tue, Dec 11 2018 at 5:58pm -0500, +AD4 Bart Van Assche +ADw-bvanassche+AEA-acm.org+AD4 wrote: +AD4 +AD4 +AD4 Hi Jens, +AD4 +AD4 +AD4 +AD4 If I run the following subset of blktests: +AD4 +AD4 +AD4 +AD4 while :+ADs do ./check -q srp +ACYAJg ./check -q nvmeof-mp+ADs done +AD4 +AD4 +AD4 +AD4 against today's for-next branch (commit dd2bf2df85a7) then after some +AD4 +AD4 time the following hang is reported: +AD4 +AD4 Jens has applied a fix from me today that I think is very relevant+ADs +AD4 it'll be in tomorrow's for-next: +AD4 +AD4 http://git.kernel.dk/cgit/linux-block/commit/?h+AD0-for-4.21/block+ACY-id+AD0-c4576aed8d85d808cd6443bda58393d525207d01 +AD4 +AD4 Please try with that and see how things go. Hi Mike, Thank you for your reply. I should have mentioned that I used Jens' for-next branch as starting point and that that commit is present in the branch I used as a starting point for my tests: +ACQ git branch --contains c4576aed8d85d808cd6443bda58393d525207d01 +ACo axboe-block-for-next Bart.