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From: "Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: 'Sagi Grimberg' <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
	'target-devel'
	<target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: RE: stuck iscsi/iser target with linux-4.15.0-rc1
Date: Mon, 4 Dec 2017 09:49:06 -0600	[thread overview]
Message-ID: <018901d36d17$6a703410$3f509c30$@opengridcomputing.com> (raw)
In-Reply-To: <0ba7e891-f020-26fb-9945-9e824332593c-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>

> 
> Hey Steve,
> 
> > Hey, while working on some changes in the cxgb4 qp_drain functionality, I
> > encountered this stall.  To reproduce it, I attach 2 ram disks via iser over
> > cxgb4 and run an fio test.  While the test is running, I tear down the target
> > stack with 'targetcli clearconfig true'
> >
> > While this could be something with my qp_drain logic, I don't see that in these
> > stuck threads.  Has anybody seen this?
> 
> Not for a while, can you turn the debug prints in
> target_wait_for_sess_cmds so we can understand which commands are
> hanging?

Here ya go:

[239800.115739] target_wait_for_sess_cmds: Waiting for se_cmd: ffff88034082c998 t_state: 6, fabric state: 12


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WARNING: multiple messages have this Message-ID (diff)
From: "Steve Wise" <swise@opengridcomputing.com>
To: 'Sagi Grimberg' <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
	'target-devel'
	<target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: RE: stuck iscsi/iser target with linux-4.15.0-rc1
Date: Mon, 04 Dec 2017 15:49:06 +0000	[thread overview]
Message-ID: <018901d36d17$6a703410$3f509c30$@opengridcomputing.com> (raw)
In-Reply-To: <0ba7e891-f020-26fb-9945-9e824332593c-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>

> 
> Hey Steve,
> 
> > Hey, while working on some changes in the cxgb4 qp_drain functionality, I
> > encountered this stall.  To reproduce it, I attach 2 ram disks via iser over
> > cxgb4 and run an fio test.  While the test is running, I tear down the target
> > stack with 'targetcli clearconfig true'
> >
> > While this could be something with my qp_drain logic, I don't see that in these
> > stuck threads.  Has anybody seen this?
> 
> Not for a while, can you turn the debug prints in
> target_wait_for_sess_cmds so we can understand which commands are
> hanging?

Here ya go:

[239800.115739] target_wait_for_sess_cmds: Waiting for se_cmd: ffff88034082c998 t_state: 6, fabric state: 12



  parent reply	other threads:[~2017-12-04 15:49 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-01 17:05 stuck iscsi/iser target with linux-4.15.0-rc1 Steve Wise
2017-12-01 17:05 ` Steve Wise
2017-12-03 13:29 ` Sagi Grimberg
2017-12-03 13:29   ` Sagi Grimberg
     [not found]   ` <0ba7e891-f020-26fb-9945-9e824332593c-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-12-04 15:49     ` Steve Wise [this message]
2017-12-04 15:49       ` Steve Wise
2017-12-04 18:40       ` Sagi Grimberg
2017-12-04 18:40         ` Sagi Grimberg
     [not found]         ` <1dee9f68-a81b-b7b8-9e70-e0ef5c63c520-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-12-13 21:40           ` Steve Wise
2017-12-13 21:40             ` Steve Wise
2017-12-13 22:34             ` Steve Wise
2017-12-13 22:34               ` Steve Wise
2017-12-13 22:35               ` Steve Wise
2017-12-13 22:35                 ` Steve Wise
2017-12-18 16:32                 ` Max Gurtovoy
2017-12-18 16:32                   ` Max Gurtovoy
     [not found]                   ` <cbe1b731-8e37-884a-1406-6a7ca1f6a0be-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-12-18 17:12                     ` Steve Wise
2017-12-18 17:12                       ` Steve Wise
2017-12-18 21:43         ` Steve Wise
2017-12-18 21:43           ` Steve Wise
2017-12-19 21:53         ` Steve Wise
2017-12-19 21:53           ` Steve Wise
2017-12-19 22:21         ` Steve Wise
2017-12-19 22:21           ` Steve Wise
2017-12-21  8:08           ` Sagi Grimberg
2017-12-21  8:08             ` Sagi Grimberg
2017-12-21 15:21             ` Steve Wise
2017-12-21 15:21               ` Steve Wise

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