linux-kernel - [2.6.26] ERROR FC host 'qla2xxx' attempted to flush work, when no workqueue created

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Message-ID: <20081104172615.GI23232@vanheusden.com>
Date:	Tue, 4 Nov 2008 18:26:15 +0100
From:	Folkert van Heusden <folkert@...heusden.com>
To:	linux-kernel@...r.kernel.org
Subject: [2.6.26] ERROR FC host 'qla2xxx' attempted to flush work, when no
	workqueue created

While running my http://vanheusden.com/pyk/ script (which randomly
inserts and removes modules) I triggered the folllowing WARNING in a
2.6.26 kernel on an IBM xSeries x3650 (2 quadcores (intel qc x5450)
and 10GB ram).

[ 2813.078094] ERROR: FC host 'qla2xxx' attempted to flush work, when no workqueue created.
[ 2813.078094] Pid: 10082, comm: qla2xxx_8_dpc Tainted: G        W 2.6.26-1-amd64 #1
[ 2813.078094] 
[ 2813.078094] Call Trace:
[ 2813.078094]  [<ffffffffa00a06f4>] :scsi_transport_fc:fc_flush_work+0x33/0x41
[ 2813.078094]  [<ffffffffa00a2c98>] :scsi_transport_fc:fc_remote_port_add+0x2b/0x60d
[ 2813.078094]  [<ffffffffa03864a4>] :qla2xxx:qla2x00_update_fcport+0x2b8/0x363
[ 2813.078094]  [<ffffffffa038e02d>] :qla2xxx:qla2x00_get_port_database+0x2f0/0x2fe
[ 2813.078094]  [<ffffffffa03868fa>] :qla2xxx:qla2x00_configure_local_loop+0x32a/0x3c0
[ 2813.078094]  [<ffffffffa0386d14>] :qla2xxx:qla2x00_configure_loop+0x384/0x10fd
[ 2813.078094]  [<ffffffffa038c854>] :qla2xxx:qla2x00_get_retry_cnt+0x43/0xbd
[ 2813.078094]  [<ffffffff8023ca94>] process_timeout+0x0/0x5
[ 2813.078094]  [<ffffffff8042874a>] schedule_timeout+0x85/0xad
[ 2813.078094]  [<ffffffffa0387ae9>] :qla2xxx:qla2x00_loop_resync+0x5c/0xae
[ 2813.078094]  [<ffffffffa03848d5>] :qla2xxx:qla2x00_do_dpc+0x435/0x4d4
[ 2813.078094]  [<ffffffffa03844a0>] :qla2xxx:qla2x00_do_dpc+0x0/0x4d4
[ 2813.078094]  [<ffffffff80245efb>] kthread+0x47/0x74
[ 2813.078094]  [<ffffffff80230057>] schedule_tail+0x27/0x5c
[ 2813.078094]  [<ffffffff8020cef8>] child_rip+0xa/0x12
[ 2813.078094]  [<ffffffff80245eb4>] kthread+0x0/0x74
[ 2813.078161]  [<ffffffff8020ceee>] child_rip+0x0/0x12


Folkert van Heusden

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