From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 85151] pm80xx + 7805H + HP SAS port expander = mpi_smp_completion 2604:smp IO status 0x2 and sas: expander ... discovery failed(0xffffffa6)
Date: Fri, 10 Oct 2014 22:00:12 +0000 [thread overview]
Message-ID: <bug-85151-11613-oWP3K9UUT3@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-85151-11613@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=85151
--- Comment #13 from linux-ide@crashplan.pro ---
Note: having 2 pieces of the HP SAS expander connected at the same time, one to
each port of the Adaptec 7805H, results in a kernel oops:
35.475138] sas: DONE DISCOVERY on port 7, pid:137, result:-70
[ 35.477301] scsi 4:0:0:0: Enclosure HP HP SAS EXP Card 2.10
PQ: 0 ANSI: 5
[ 35.479756] scsi 4:0:0:0: Attached scsi generic sg1 type 13
[ 35.490335] ses 4:0:0:0: Attached Enclosure device
[ 35.525143] BUG: unable to handle kernel NULL pointer dereference at
0000000000000290
[ 35.525889] IP: [<ffffffffc05c9f44>] pm8001_dev_gone_notify+0x24/0x210
[pm80xx]
[ 35.526618] PGD 0
[ 35.527324] Oops: 0000 [#1] SMP
...
[ 35.530609] CPU: 0 PID: 36 Comm: kworker/0:1 Tainted: G OE
3.17.0-031700rc7-generic #201409281835
And with the later mainline kernel:
[ 153.518720] sas: DONE DISCOVERY on port 7, pid:127, result:-70
[ 153.521380] scsi 4:0:0:0: Enclosure HP HP SAS EXP Card 2.10
PQ: 0 ANSI: 5
[ 153.526442] scsi 4:0:0:0: Attached scsi generic sg1 type 13
[ 153.539380] ses 4:0:0:0: Attached Enclosure device
[ 153.551072] general protection fault: 0000 [#1] SMP
...
[ 153.555559] CPU: 0 PID: 36 Comm: kworker/0:1 Tainted: G OE
3.17.0-999-generic #201409282205
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next prev parent reply other threads:[~2014-10-10 22:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 14:44 [Bug 85151] New: pm80xx + 7805H + HP SAS port expander = mpi_smp_completion 2604:smp IO status 0x2 and sas: expander ... discovery failed(0xffffffa6) bugzilla-daemon
2014-09-25 15:05 ` [Bug 85151] " bugzilla-daemon
2014-09-25 15:26 ` bugzilla-daemon
2014-09-25 15:33 ` bugzilla-daemon
2014-09-25 15:53 ` bugzilla-daemon
2014-09-25 16:06 ` bugzilla-daemon
2014-09-25 16:20 ` bugzilla-daemon
2014-09-26 8:33 ` Jack Wang
2014-09-26 8:34 ` bugzilla-daemon
2014-09-26 9:03 ` bugzilla-daemon
2014-09-26 10:16 ` bugzilla-daemon
2014-09-30 10:27 ` bugzilla-daemon
2014-10-10 21:11 ` bugzilla-daemon
2014-10-10 21:32 ` bugzilla-daemon
2014-10-10 22:00 ` bugzilla-daemon [this message]
2014-10-14 16:33 ` bugzilla-daemon
2014-10-19 12:17 ` bugzilla-daemon
2014-10-19 12:18 ` bugzilla-daemon
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