From: Jens Axboe <axboe@kernel.dk>
To: Ming Lei <ming.lei@redhat.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Hang with blk-mq map series (block/008)
Date: Tue, 10 Apr 2018 09:51:41 -0600 [thread overview]
Message-ID: <d4cafa94-919c-e83d-eb91-d10dc06fc515@kernel.dk> (raw)
Hi Ming,
Ran the above blktests on the current tree, and we end up getting
a hang that we never recover from. There's on request perpetually
stuck:
root@dell:/sys/kernel/debug/block/nvme0n1/hctx2# cat busy
000000005e2b09fe {.op=READ, .cmd_flags=, .rq_flags=DONTPREP|IO_STAT|STATS, .state=in_flight, .tag=313, .internal_tag=-1}
and no amount of manual running or kicking the queue will bring it
back to life. If I run it on 'master', it works fine.
Did you run blktests on your series?
--
Jens Axboe
next reply other threads:[~2018-04-10 15:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-10 15:51 Jens Axboe [this message]
2018-04-11 2:02 ` Hang with blk-mq map series (block/008) Ming Lei
2018-04-11 2:08 ` Jens Axboe
2018-04-11 2:30 ` Ming Lei
2018-04-11 2:33 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d4cafa94-919c-e83d-eb91-d10dc06fc515@kernel.dk \
--to=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
--cc=ming.lei@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.