From: "Winkler, Tomas" <tomas.winkler@intel.com>
To: Guenter Roeck <linux@roeck-us.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Shuah Khan <shuahkh@osg.samsung.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Usyskin, Alexander" <alexander.usyskin@intel.com>,
        "torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
        "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
        "satoru.takeuchi@gmail.com" <satoru.takeuchi@gmail.com>,
        "shuah.kh@samsung.com" <shuah.kh@samsung.com>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH 3.18 00/39] 3.18.7-stable review
Thread-Topic: [PATCH 3.18 00/39] 3.18.7-stable review
Thread-Index: AQHQRJYKaeCWapYfQkWd4jidL1PcLpzotooAgAAHLYCAACXFYA==
Date: Mon, 9 Feb 2015 22:24:47 +0000
Message-ID: <5B8DA87D05A7694D9FA63FD143655C1B34BAB00C@HASMSX106.ger.corp.intel.com>
References: <20150209083328.753647350@linuxfoundation.org>
 <54D8FBFE.5000700@osg.samsung.com> <20150209213736.GC11071@kroah.com>
 <20150209220317.GA1684@roeck-us.net>
In-Reply-To: <20150209220317.GA1684@roeck-us.net>
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> 
> On Tue, Feb 10, 2015 at 05:37:36AM +0800, Greg Kroah-Hartman wrote:
> > On Mon, Feb 09, 2015 at 11:27:10AM -0700, Shuah Khan wrote:
> > > On 02/09/2015 01:33 AM, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 3.18.7 release.
> > > > There are 39 patches in this series, all will be posted as a response
> > > > to this one.  If anyone has any issues with these being applied, please
> > > > let me know.
> > > >
> > > > Responses should be made by Wed Feb 11 08:33:11 UTC 2015.
> > > > Anything received after that time might be too late.
> > > >
> > > > The whole patch series can be found in one patch at:
> > > > 	kernel.org/pub/linux/kernel/v3.0/stable-review/patch-3.18.7-rc1.gz
> > > > and the diffstat can be found below.
> > > >
> > > > thanks,
> > > >
> > > > greg k-h
> > > >
> > >
> > > Compiled and booted on my test system.
> > >
> > > I am seeing the following mei_me messages:
> > >
> > > mei_me 0000:00:16.0: version message write failed: ret = -5
> > > mei_me 0000:00:16.0: hbm_start failed ret = -5
> > > mei_me 0000:00:16.0: version message write failed: ret = -5
> > > mei_me 0000:00:16.0: hbm_start failed ret = -5
> > >
> > > Not concerned - maybe Alexander Usyskin and Tomas Winkler
> > > can take a look and see if this looks ok.
> > >
> > > Could this be related to:
> > >
> > > mei: clean reset bit before reset
> > >
> > > commit b13a65ef190e488e2761d65bdd2e1fe8a3a125f5 upstream.
> >
> > Odd, I wouldn't think that this commit would cause those errors to show
> > up, if so, that's not good.
> >
> > Alexander, any thoughts?
> >
> mei_hbm_reset() is called just before the above message. Maybe the reset is not
> complete ? The comment associated with the commit suggests that this can
> happen.
> If so, there should also be warning "H_RST is set = 0x%08X" in the log.

Can you please provide details of your system + lspci -vn output 
The complete log would helpful and if you can enable dynamic debug on mei and mei_me modules it would be the best.

Thanks
Tomas

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