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[Launchpad Bug Tracker <1512415@xxxxxxxxxxxxxxxxxx>]

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There are multiple problems with tape drives when using a media changer on an hpsa controller.
The problem appears for example when you label tapes in Dell Netvault.

The problem does not appear in current vanilla kernel 4.2.3.

After bisecting the problem the actually first good commit is: 
3ce438df106826edde7ad724f3819716a3f0cf56 is the first bad commit
commit 3ce438df106826edde7ad724f3819716a3f0cf56
Author: Matt Gates <matthew.gates@xxxxxx>
Date:   Wed Dec 4 17:10:36 2013 -0600

    [SCSI] hpsa: allow SCSI mid layer to handle unit attention

    We were clobbering the SCSI status and setting
    cmd->result = DID_SOFT_ERROR << 16; to get a retry,
    but better to let the mid layer handle the unit
    attention.

    Signed-off-by: Matt Gates <matthew.gates@xxxxxx>
    Acked-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
    Signed-off-by: James Bottomley <JBottomley@xxxxxxxxxxxxx>

:040000 040000 a7ea924772d20fd6faa968a855cffdb864876264
99765902968200eacf3a6ff1267b691a7bb24ebe M      drivers

thanks to git bisecting rules:
good = label errors = old kernel
bad = no label errors = newer kernel

Please consider backporting that fix to the 3.13 ubuntu kernel.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
hpsa driver has problems with interacting with tape drives and media changer
https://bugs.launchpad.net/bugs/1512415
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