linux-kernel - RE: System "hangs" on kernels > v4.4-rc1

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Message-ID: <3908561D78D1C84285E8C5FCA982C28F39FA727F@ORSMSX114.amr.corp.intel.com>
Date:	Fri, 8 Jan 2016 16:55:52 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: RE: System "hangs" on kernels > v4.4-rc1 - mpt2sas problem?

I also see that mpt2 and mpt3 were merged, with mpt2 option still there
as a legacy driver.  Which should I be using?   My config file has these
MPT settings:

$ grep MPT .config
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
CONFIG_SCSI_MPT3SAS=m
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT3SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS=m

-Tony