linux-kernel - Re: [PATCH 3.18 00/39] 3.18.7-stable review

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Date:	Mon, 9 Feb 2015 14:03:17 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Shuah Khan <shuahkh@....samsung.com>, linux-kernel@...r.kernel.org,
	alexander.usyskin@...el.com, tomas.winkler@...el.com,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	satoru.takeuchi@...il.com, shuah.kh@...sung.com,
	stable@...r.kernel.org
Subject: Re: [PATCH 3.18 00/39] 3.18.7-stable review

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.

Guenter
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