Hi Bart, I can do [1] and [2] but I won’t be able to provide the command output because the hang is almost total. No new commands can run because the scheduler is hung. For example, see this backtrace: http://znu.io/IMG_0362.jpg Is there another approach I can use? Dave > On Jan 21, 2018, at 12:17, Bart Van Assche <Bart.VanAssche@xxxxxxx> wrote: > > On Sun, 2018-01-21 at 11:19 -0500, David Zarzycki wrote: >> How can I help debug this further? > > Please apply patch [1] on top of Jens' for-next branch [2], reproduce the > hang and provide the output of the following command: > > (cd /sys/kernel/debug/block && find . -type f -exec grep -aH . {} \;) > > Thanks, > > Bart. > > [1] [PATCH] blk-mq-debugfs: Also show requests that have not yet been started > https://www.mail-archive.com/linux-block@xxxxxxxxxxxxxxx/msg17313.html > [2] http://git.kernel.dk/cgit/linux-block/log/?h=for-next
