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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 81861] Oops by mvsas v0.8.16: sas: ataX: end_device-Y:0:Z: dev error handler -> general protection fault, RIP: mvs_task_prep_ata+0x80/0x3a0
Date: Fri, 22 Aug 2014 12:13:42 +0000	[thread overview]
Message-ID: <bug-81861-11613-rcxSV8ODsY@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-81861-11613@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=81861

--- Comment #6 from linux-ide@crashplan.pro ---
When connecting just a single 4 drive group to the good ports (for example 2C)
of the external PCIe expander card:
cold boot = doesn't detect any of the 4 PUIS drives
warm boot = does detect all 4 PUIS drives

When powering up using the warm boot method there don't seem to be errors
reported by smartctl neither sg_ses.

However this cold boot issue might be a different issue from this kernel crash.
According to debug messages first a "Set Features" (0xEF) is being sent. My
guess is that this set features issues subcommand (0x07): spin up media.

And later on the "Identify Device" (0xEC) is sent.


When I correctly read the Hitachi specification the Spin Up (Set Features)
should be sent after "Drive Identify". For this Hitachi HDS5C3020BLE630 the
Drive_Identify (# sg_sat_identify -v /dev/sdb) word 2 outputs "738c" (hex),
which translates to specification "Need Set Feature for spin-up after power-up
Identify Device is complete" according to HGST specification page 127.

Is there a boot parameter (or similar way) to load the mvsas driver without
sending the "Set Features" (0xEF) command?

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  parent reply	other threads:[~2014-08-22 12:13 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-07 17:33 [Bug 81861] New: mvsas.ko v0.8.16 error messages and kernel crashes attaching 4 SATA drives to specific HP SAS expander ports bugzilla-daemon
2014-08-07 20:29 ` [Bug 81861] " bugzilla-daemon
2014-08-08  8:19 ` bugzilla-daemon
2014-08-08  8:24 ` [Bug 81861] Oops by mvsas v0.8.16: sas: ataX: end_device-Y:0:Z: dev error handler -> general protection fault, RIP: mvs_task_prep_ata+0x80/0x3a0 bugzilla-daemon
2014-08-08  8:34 ` bugzilla-daemon
2014-08-12 20:09 ` bugzilla-daemon
2014-08-12 22:02 ` bugzilla-daemon
2014-08-21 18:35 ` bugzilla-daemon
2014-08-22 12:13 ` bugzilla-daemon [this message]
2014-08-22 12:16 ` bugzilla-daemon
2014-08-22 12:17 ` bugzilla-daemon
2014-08-22 13:19 ` bugzilla-daemon
2014-08-22 14:05 ` bugzilla-daemon
2014-08-22 17:00 ` bugzilla-daemon
2014-08-22 17:36 ` bugzilla-daemon
2014-08-23 20:04 ` bugzilla-daemon
2014-08-23 20:06 ` bugzilla-daemon
2014-08-23 22:12 ` bugzilla-daemon
2014-09-23 21:56 ` bugzilla-daemon
2014-09-24  0:32   ` Elliott, Robert (Server Storage)
2014-09-26  7:04 ` bugzilla-daemon
2014-10-19 15:56 ` bugzilla-daemon
2014-12-17 19:49 ` bugzilla-daemon
2015-01-26 23:19 ` bugzilla-daemon
2015-01-26 23:20 ` bugzilla-daemon
2015-01-26 23:21 ` bugzilla-daemon
2015-04-23 11:31 ` bugzilla-daemon
2015-04-29 13:40 ` bugzilla-daemon
2015-04-29 14:20   ` James Bottomley
     [not found]     ` <CAC2CY-2YAy8GfjCHO+PrFWAuBnhfnMvK33KJ3YCVRZXJMEHykQ@mail.gmail.com>
2015-04-29 15:41       ` James Bottomley
2015-04-29 16:24         ` Adam Talbot
2015-04-29 18:05           ` James Bottomley
2015-04-29 18:07             ` Adam Talbot
2015-04-29 18:10               ` James Bottomley
2015-04-29 19:09             ` Nathan Rennie-Waldock
2015-10-05  0:07               ` Nathan Rennie-Waldock
2015-04-29 13:41 ` bugzilla-daemon

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