netdev - RE: [REGRESSION] e1000e stopped working [MANUALLY BISECTED]

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Message-ID: <1279150380.7810.2.camel@localhost.localdomain>
Date:	Thu, 15 Jul 2010 02:33:00 +0300
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
Cc:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Pieper, Jeffrey E" <jeffrey.e.pieper@...el.com>
Subject: RE: [REGRESSION] e1000e stopped working [MANUALLY BISECTED]

On Wed, 2010-07-14 at 16:56 -0600, Tantilov, Emil S wrote:
> Maxim Levitsky wrote:
> > On Mon, 2010-07-12 at 15:23 -0600, Tantilov, Emil S wrote:
> >> Maxim Levitsky wrote:
> >>> On Mon, 2010-07-05 at 12:58 +0300, Maxim Levitsky wrote:
> >>>> On Mon, 2010-07-05 at 01:13 -0700, Jeff Kirsher wrote:
> >>>>> On Sun, Jul 4, 2010 at 15:48, Maxim Levitsky
> >>>>> <maximlevitsky@...il.com> wrote:
> >>>>>> Did few guesses, and now I see that reverting the below commit
> >>>>>> fixes the problem. 
> >>>>>> 
> >>>>>> "e1000e: Fix/cleanup PHY reset code for ICHx/PCHx"
> >>>>>> e98cac447cc1cc418dff1d610a5c79c4f2bdec7f.
> >>>>>> 
> >>>>>> 
> >>>>>> Best regards,
> >>>>>>        Maxim Levitsky
> >>>>>> 
> >>>>>> --
> >>>>> 
> >>>>> Can you give us till Tuesday to respond?  I know that there are
> >>>>> some additional e1000e patches in my queue, which may resolve the
> >>>>> issue, but this weekend the power is down to do some
> >>>>> infrastructure upgrades which prevents us from doing any
> >>>>> investigation.debugging until Tuesday. 
> >>>>> 
> >>>> 
> >>>> Sure.
> >>>> 
> >>>> Best regards,
> >>>> 	Maxim Levitsky
> >>>> 
> >>> 
> >>> Updates?
> >> 
> >> We are working on reproducing the issue. So far we have not seen the
> >> problem when testing with net-next. 
> >> 
> >> I asked in previous email about some additional info from ethtool
> >> (-d, -e, -S) and kernel config. That would help us to narrow it
> >> down.  
> >> 
> >> Thanks,
> >> Emil
> > I did send -e and -d output.
> 
> Sorry, looks like I lost the email with the attachements. 
> 
> Could you provide the output of dmesg after the failure occurs?
>  
> > Since you probably want -S output during failure, I need to recompile
> > kernel for that. I will do that soon.
> > 
> > 
> > One question, in two weeks I hope 2.6.35 won't be released?
> > If so, I will have enough free time then to narrow down this issue.
> > 
> > Other solution, is to revert this commit.
> > (I have never seen this problem with it reverted).
> 
> We have been running reboot tests on 2 separate systems with recent net-next kernels 
> using your config and so far no luck in reproducing this issue. 
> 
> What is the make model of your system (or MB)?

the motherboard is Intel DG965RY.

However, I am using vanilla kernel.
net-next might contain further fixes.

I see if net-next works here.

Best regards,
	Maxim Levitsky

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