From: Bob Pearson <rpearsonhpe@gmail.com>
To: Bart Van Assche <bvanassche@acm.org>, Jason Gunthorpe <jgg@ziepe.ca>
Cc: "Daisuke Matsuda (Fujitsu)" <matsuda-daisuke@fujitsu.com>,
'Rain River' <rain.1986.08.12@gmail.com>,
Zhu Yanjun <yanjun.zhu@linux.dev>,
"leon@kernel.org" <leon@kernel.org>,
Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [bug report] blktests srp/002 hang
Date: Tue, 17 Oct 2023 16:23:29 -0500 [thread overview]
Message-ID: <5c6e69b3-f83b-461d-a08a-37bfbd82f995@gmail.com> (raw)
In-Reply-To: <02cd10fd-fd4a-4ad7-9b1d-6d37b070aacf@acm.org>
On 10/17/23 16:18, Bart Van Assche wrote:
>
> On 10/17/23 14:14, Bob Pearson wrote:
>> All the active threads are just the same and are all waiting for
>> an io to complete from scsi. No threads are active in rxe, srp(t)
>> or scsi. All activity appears to be dead.
>
> Is this really a clue? I have seen such backtraces many times. All
> such a backtrace tells us is that something got stuck in a layer
> under the filesystem. It does not tell us which layer caused
> command processing to get stuck.
>
> Bart.
>
Not really, but stuck could mean it died (no threads active) or it is
in a loop or waiting to be scheduled. It looks dead. The lower layers are
waiting to get kicked into action by some event but it hasn't happened.
This is conjecture on my part though.
Bob
next prev parent reply other threads:[~2023-10-17 21:23 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-21 6:46 [bug report] blktests srp/002 hang Shinichiro Kawasaki
2023-08-22 1:46 ` Bob Pearson
2023-08-22 10:18 ` Shinichiro Kawasaki
2023-08-22 15:20 ` Bart Van Assche
2023-08-23 16:19 ` Bob Pearson
2023-08-23 19:46 ` Bart Van Assche
2023-08-24 16:24 ` Bob Pearson
2023-08-24 8:55 ` Bernard Metzler
2023-08-24 15:35 ` Bernard Metzler
2023-08-24 16:05 ` Bart Van Assche
2023-08-24 16:27 ` Bob Pearson
2023-08-25 1:11 ` Shinichiro Kawasaki
2023-08-25 1:36 ` Bob Pearson
2023-08-25 10:16 ` Shinichiro Kawasaki
2023-08-25 13:49 ` Bart Van Assche
2023-08-25 13:52 ` Bart Van Assche
2023-09-13 17:36 ` Bob Pearson
2023-09-13 23:38 ` Zhu Yanjun
2023-09-16 5:59 ` Zhu Yanjun
2023-09-19 4:14 ` Shinichiro Kawasaki
2023-09-19 8:07 ` Zhu Yanjun
2023-09-19 16:30 ` Pearson, Robert B
2023-09-19 18:11 ` Bob Pearson
2023-09-20 4:22 ` Zhu Yanjun
2023-09-20 16:24 ` Bob Pearson
2023-09-20 16:36 ` Bart Van Assche
2023-09-20 17:18 ` Bob Pearson
2023-09-20 17:22 ` Bart Van Assche
2023-09-20 17:29 ` Bob Pearson
2023-09-21 5:46 ` Zhu Yanjun
2023-09-21 10:06 ` Zhu Yanjun
2023-09-21 14:23 ` Rain River
2023-09-21 14:39 ` Bob Pearson
2023-09-21 15:08 ` Zhu Yanjun
2023-09-21 15:10 ` Zhu Yanjun
2023-09-22 18:14 ` Bob Pearson
2023-09-22 22:06 ` Bart Van Assche
2023-09-24 1:17 ` Rain River
2023-09-25 4:47 ` Daisuke Matsuda (Fujitsu)
2023-09-25 14:31 ` Zhu Yanjun
2023-09-26 1:09 ` Daisuke Matsuda (Fujitsu)
2023-09-26 6:09 ` Zhu Yanjun
2023-09-25 15:00 ` Bart Van Assche
2023-09-25 15:25 ` Bob Pearson
2023-09-25 15:52 ` Jason Gunthorpe
2023-09-25 15:54 ` Bob Pearson
2023-09-25 19:57 ` Bob Pearson
2023-09-25 20:33 ` Bart Van Assche
2023-09-25 20:40 ` Bob Pearson
2023-09-26 15:36 ` Rain River
2023-09-26 1:17 ` Daisuke Matsuda (Fujitsu)
2023-10-17 17:09 ` Bob Pearson
2023-10-17 17:13 ` Bart Van Assche
2023-10-17 17:15 ` Bob Pearson
2023-10-17 17:19 ` Bob Pearson
2023-10-17 17:34 ` Bart Van Assche
2023-10-17 17:58 ` Jason Gunthorpe
2023-10-17 18:44 ` Bob Pearson
2023-10-17 18:51 ` Jason Gunthorpe
2023-10-17 19:55 ` Bob Pearson
2023-10-17 20:06 ` Bart Van Assche
2023-10-17 20:13 ` Bob Pearson
2023-10-17 21:14 ` Bob Pearson
2023-10-17 21:18 ` Bart Van Assche
2023-10-17 21:23 ` Bob Pearson [this message]
2023-10-17 21:30 ` Bart Van Assche
2023-10-17 21:39 ` Bob Pearson
2023-10-17 22:42 ` Bart Van Assche
2023-10-18 18:29 ` Bob Pearson
2023-10-18 19:17 ` Jason Gunthorpe
2023-10-18 19:48 ` Bart Van Assche
2023-10-18 20:03 ` Bob Pearson
2023-10-18 20:04 ` Bob Pearson
2023-10-18 20:14 ` Bob Pearson
[not found] ` <fb5f6da5-5017-440d-9cb5-38796554366c@gmail.com>
2023-10-18 20:49 ` Bart Van Assche
2023-10-18 21:17 ` Pearson, Robert B
2023-10-18 21:27 ` Bart Van Assche
2023-10-18 21:52 ` Bob Pearson
2023-10-19 19:17 ` Bart Van Assche
2023-10-20 17:12 ` Bob Pearson
2023-10-20 17:41 ` Bart Van Assche
2023-10-18 19:38 ` Bart Van Assche
2023-10-17 19:18 ` Bart Van Assche
2023-10-18 8:16 ` Zhu Yanjun
2023-09-22 11:06 ` Linux regression tracking #adding (Thorsten Leemhuis)
2023-10-13 12:51 ` Linux regression tracking #update (Thorsten Leemhuis)
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