From: Ming Lei <ming.lei@redhat.com>
To: Bart Van Assche <Bart.VanAssche@wdc.com>
Cc: "hch@lst.de" <hch@lst.de>, "osandov@fb.com" <osandov@fb.com>,
"jthumshirn@suse.de" <jthumshirn@suse.de>,
"hare@suse.de" <hare@suse.de>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"axboe@kernel.dk" <axboe@kernel.dk>
Subject: Re: [PATCH 4/7] blk-mq: Avoid that request processing stalls when sharing tags
Date: Sat, 2 Dec 2017 09:20:48 +0800 [thread overview]
Message-ID: <20171202012048.GA30469@ming.t460p> (raw)
In-Reply-To: <1512176705.2520.32.camel@wdc.com>
On Sat, Dec 02, 2017 at 01:05:05AM +0000, Bart Van Assche wrote:
> On Sat, 2017-12-02 at 09:00 +0800, Ming Lei wrote:
> > On Sat, Dec 02, 2017 at 12:48:51AM +0000, Bart Van Assche wrote:
> > > Further tests have shown that the lockup I referred to does not occur before commit
> > > b347689ffbca but that it occurs with b347689ffbca.
> >
> > Then you need to root cause it, or
>
> It's not my job to root cause bugs introduced by your patches.
Then show us the debugfs and dmesg log, otherwise how can we make
progress since you are the only reproducer?
Also it is you who posts the patch, you have to provide exact root
cause.
--
Ming
next prev parent reply other threads:[~2017-12-02 1:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-01 0:08 [PATCH 0/7] blk-mq: Queue running fixes Bart Van Assche
2017-12-01 0:08 ` [PATCH 1/7] blk-mq: Fix spelling in a source code comment Bart Van Assche
2017-12-01 0:08 ` [PATCH 2/7] block: Document more locking requirements Bart Van Assche
2017-12-01 3:03 ` Jens Axboe
2017-12-01 17:05 ` Bart Van Assche
2017-12-01 0:08 ` [PATCH 3/7] blk-mq: Make blk_mq_mark_tag_wait() easier to read Bart Van Assche
2017-12-01 0:08 ` [PATCH 4/7] blk-mq: Avoid that request processing stalls when sharing tags Bart Van Assche
2017-12-01 2:58 ` Ming Lei
2017-12-01 19:52 ` Bart Van Assche
2017-12-02 0:36 ` Ming Lei
2017-12-02 0:48 ` Bart Van Assche
2017-12-02 1:00 ` Ming Lei
2017-12-02 1:05 ` Bart Van Assche
2017-12-02 1:14 ` Ming Lei
2017-12-02 1:20 ` Ming Lei [this message]
2017-12-01 0:08 ` [PATCH 5/7] blk-mq: Avoid that blk_mq_mark_tag_wait() triggers a queue stall Bart Van Assche
2017-12-01 3:51 ` Ming Lei
2017-12-01 0:08 ` [PATCH 6/7] blk-mq: Rerun hardware queues after having called .put_budget() Bart Van Assche
2017-12-01 3:23 ` Ming Lei
2017-12-01 0:08 ` [PATCH 7/7] blk-mq: Fix another queue stall Bart Van Assche
2017-12-01 3:00 ` Jens Axboe
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