From mboxrd@z Thu Jan  1 00:00:00 1970
From: keith.busch@intel.com (Keith Busch)
Date: Thu, 25 Aug 2016 13:49:51 -0400
Subject: Linux AER reporting
In-Reply-To: <CAG3=cOmM=qgXmb9t8AyxGpY1ORdapNq6StU7dALHBYgUS2ThKQ@mail.gmail.com>
References: <CAG3=cOncMTcyALa=-i1jeA-z4pe22D9CrJ=Rxr2E8HWBsEMOPg@mail.gmail.com>
 <57BB4019.7050008@linux.vnet.ibm.com>
 <CAG3=cOn_pMZ5DMtB3K2tDGUL1x3vkn=Vjw9c8X8+ONh8xef+mw@mail.gmail.com>
 <57BDA906.4050207@linux.vnet.ibm.com>
 <20160824144029.GA13258@localhost.localdomain>
 <CAG3=cO=ux5+EeDSCxDiEtSscH0UJ=+pJr4Exunvw=rfGai-zNA@mail.gmail.com>
 <20160825150646.GE13337@localhost.localdomain>
 <CAG3=cOmM=qgXmb9t8AyxGpY1ORdapNq6StU7dALHBYgUS2ThKQ@mail.gmail.com>
Message-ID: <20160825174951.GA17439@localhost.localdomain>

On Thu, Aug 25, 2016@10:37:41AM -0700, Nisha Miller wrote:
> On Thu, Aug 25, 2016@8:06 AM, Keith Busch <keith.busch@intel.com> wrote:
> 
> > Is there anything else in the dmesg occuring when you observe the ff's
> > CSTS register value? That status usually (only?) happens if the device
> > link is disconnected or broken.
> 
> no messages are displayed in dmesg when CSTS is read as all FFs.

Have you got a protocol analyzer?