From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "ming.lei@redhat.com" <ming.lei@redhat.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"hch@infradead.org" <hch@infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"osandov@fb.com" <osandov@fb.com>,
"john.garry@huawei.com" <john.garry@huawei.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"loberman@redhat.com" <loberman@redhat.com>
Subject: Re: [PATCH] SCSI: don't get target/host busy_count in scsi_mq_get_budget()
Date: Tue, 7 Nov 2017 16:20:08 +0000 [thread overview]
Message-ID: <1510071607.2656.17.camel@wdc.com> (raw)
In-Reply-To: <20171107021125.GB15090@ming.t460p>
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WARNING: multiple messages have this Message-ID (diff)
From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "ming.lei@redhat.com" <ming.lei@redhat.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"hch@infradead.org" <hch@infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"osandov@fb.com" <osandov@fb.com>,
"john.garry@huawei.com" <john.garry@huawei.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"loberman@redhat.com" <loberman@redhat.com>
Subject: Re: [PATCH] SCSI: don't get target/host busy_count in scsi_mq_get_budget()
Date: Tue, 7 Nov 2017 16:20:08 +0000 [thread overview]
Message-ID: <1510071607.2656.17.camel@wdc.com> (raw)
In-Reply-To: <20171107021125.GB15090@ming.t460p>
On Tue, 2017-11-07 at 10:11 +0800, Ming Lei wrote:
> If you can reproduce, please provide me at least the following log
> first:
>
> find /sys/kernel/debug/block -name tags | xargs cat | grep busy
>
> If any pending requests arn't completed, please provide the related
> info in dbgfs about where is the request.
Every time I ran the above or a similar command its output was empty. I
assume that's because the hang usually occurs in a phase where these debugfs
attributes either have not yet been created or have already disappeared.
Bart.
next prev parent reply other threads:[~2017-11-07 16:20 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-04 1:55 [PATCH] SCSI: don't get target/host busy_count in scsi_mq_get_budget() Ming Lei
2017-11-04 14:19 ` Jens Axboe
2017-11-06 19:45 ` Bart Van Assche
2017-11-06 19:45 ` Bart Van Assche
2017-11-07 2:11 ` Ming Lei
2017-11-07 16:20 ` Bart Van Assche [this message]
2017-11-07 16:20 ` Bart Van Assche
2017-11-07 16:29 ` Jens Axboe
2017-11-07 17:10 ` Jens Axboe
2017-11-07 17:36 ` Jens Axboe
2017-11-07 22:06 ` Jens Axboe
2017-11-07 22:34 ` Bart Van Assche
2017-11-07 22:34 ` Bart Van Assche
2017-11-07 22:39 ` Jens Axboe
2017-11-08 0:50 ` Ming Lei
2017-11-08 1:03 ` Ming Lei
2017-11-08 3:01 ` Jens Axboe
2017-11-08 3:12 ` Ming Lei
2017-11-08 3:17 ` Jens Axboe
2017-11-08 3:17 ` Jens Axboe
2017-11-08 6:20 ` Ming Lei
2017-11-08 15:59 ` Ming Lei
2017-11-08 18:19 ` Jens Axboe
2017-11-07 17:34 ` Bart Van Assche
2017-11-07 17:34 ` Bart Van Assche
2017-11-08 0:53 ` Ming Lei
2017-11-08 2:06 ` Ming Lei
2017-11-08 0:39 ` Ming Lei
2017-11-08 2:55 ` Jens Axboe
2017-11-08 2:58 ` Ming Lei
2017-11-08 3:06 ` Jens Axboe
2017-11-08 16:41 ` Bart Van Assche
2017-11-08 16:41 ` Bart Van Assche
2017-11-08 17:57 ` Jens Axboe
2017-11-08 18:22 ` Laurence Oberman
2017-11-08 18:22 ` Laurence Oberman
2017-11-08 18:28 ` Jens Axboe
2017-11-09 4:02 ` Ming Lei
2017-11-09 2:05 ` Ming Lei
2017-11-07 10:15 ` Ming Lei
2017-11-07 16:17 ` Bart Van Assche
2017-11-07 16:17 ` Bart Van Assche
2017-11-08 3:12 ` Jens Axboe
2017-11-06 18:04 ` Bart Van Assche
2017-11-06 18:04 ` Bart Van Assche
2017-11-07 2:19 ` Ming Lei
2017-11-07 3:53 ` Martin K. Petersen
2017-11-07 3:53 ` Martin K. Petersen
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