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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 85751] iSCSI initiator lockup during logout
Date: Tue, 07 Oct 2014 16:42:02 +0000	[thread overview]
Message-ID: <bug-85751-11613-AIXQdLQp7t@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-85751-11613@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=85751

--- Comment #2 from Bart Van Assche <bvanassche@acm.org> ---
This is not easy to reproduce and happened while testing a modification of
iSCSI target software. The following commands were issued at the initiator
side:
* iscsiadm -m discovery -p 192.168.1.124 -t st
* iscsiadm -m node -p 192.168.1.124 -l
(something went wrong at the target side and the iSCSI initiator tried to
relogin)
* iscsiadm -m node -p 192.168.1.124 -u
Even after I powered off the virtual machine that was running the iSCSI target
software that last logout command did not finish. The system load raised to a
high value due to several kernel threads at the initiator side that got stuck
in an uninterruptible wait. It is only after the logout command had been issued
that I ran "echo w > /proc/sysrq-trigger".

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  parent reply	other threads:[~2014-10-07 16:42 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-07 15:08 [Bug 85751] New: iSCSI initiator lockup during login bugzilla-daemon
2014-10-07 15:49 ` [Bug 85751] " bugzilla-daemon
2014-10-07 16:34 ` [Bug 85751] iSCSI initiator lockup during logout bugzilla-daemon
2014-10-07 16:42 ` bugzilla-daemon [this message]
2014-10-07 17:03   ` Mike Christie
2014-10-07 18:29     ` Bart Van Assche
2014-10-07 16:42 ` bugzilla-daemon
2014-10-07 18:34 ` bugzilla-daemon
2016-10-27 13:21 ` bugzilla-daemon

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