https://bugzilla.kernel.org/show_bug.cgi?id=70751

Mitchell Taylor <mitchtay...@gmail.com> changed:

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                 CC|                            |mitchtay...@gmail.com

--- Comment #3 from Mitchell Taylor <mitchtay...@gmail.com> ---
I think I'm encountering this problem also.
I recently built a new server with an LSI 9240-8i flashed with IT
(initiator-target) firmware for HDD passthrough.
The kernel runs this with the mpt2sas driver and often whenever the S.M.A.R.T.
tests kick off; either short or long; one or maybe more of the disks get
dropped.

I am currently using the HBA to pass through 8 WD RE4 drives to the OS for
Linux Software RAID in RAID6 which obviously causes the array to degrade. In
one instance a total of 4 drives were dropped at the start of a short test
causing it to FAIL.

The operating system is Debian Squeeze running kernel version:

Linux behemoth 2.6.32-5-amd64 #1 SMP Wed Apr 9 19:24:34 UTC 2014 x86_64
GNU/Linux

and modinfo:

filename:      
/lib/modules/2.6.32-5-amd64/kernel/drivers/scsi/mpt2sas/mpt2sas.ko
version:        02.100.03.00
license:        GPL
description:    LSI MPT Fusion SAS 2.0 Device Driver
author:         LSI Corporation <dl-mptfusionli...@lsi.com>
srcversion:     E7ED0E0268B434FD561F7B1

I will upload the dmesg information from a recent failure also.

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