Hi

as this email is not showing up in the SF list archive, I'm resending it 
(sorry Jesse for you receiving it again)

On Friday 27 January 2012 13:43:54 Carsten Aulbert wrote:
> Hi
> 
> On Friday 27 January 2012 08:31:06 Jesse Brandeburg wrote:
> > Hi Carsten, it sounds to me like this might be related to ASPM, can you
> > try the boot option pcie_aspm=off
> > 
> > before you do that please capture the output of lspci -vvv and attach it
> > to the bug (or send it here I suppose)  also include ethtool -e ethX
> > output as an attachment, I'm interested to see some settings in your
> > eeprom.
> 
> good guess.
> 
> I've played a bit with git bisection today and the first bad commit was:
> 
> 6f461f6c7c961f0b1b73c0f27becf472a0ac606b is the first bad commit
> commit 6f461f6c7c961f0b1b73c0f27becf472a0ac606b
> Author: Bruce Allan <bruce.w.al...@intel.com>
> Date:   Tue Apr 27 03:33:04 2010 +0000
> 
>     e1000e: enable/disable ASPM L0s and L1 and ERT according to hardware
> errata
> 
>     Prompted by a previous patch submitted by Matthew Garret
> <m...@redhat.com>, further digging into errata documentation reveals the
> current enabling or disabling of ASPM L0s and L1 states for certain parts
> supported by this driver are incorrect.  82571 and 82572 should always
> disable L1.  For standard frames, 82573/82574/82583 can enable L1 but L0s
> must be disabled, and for jumbo frames 82573/82574 must disable L1.  This
> allows for some parts to enable L1 in certain configurations leading to
> better power savings.
> 
>     Also according to the same errata, Early Receive (ERT) should be
> disabled on 82573 when using jumbo frames.
> 
>     Cc: Matthew Garret <m...@redhat.com>
>     Signed-off-by: Bruce Allan <bruce.w.al...@intel.com>
>     Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
>     Signed-off-by: David S. Miller <da...@davemloft.net>
> 
> :040000 040000 d147144ee9bb8987b603de3f168193f771c6b05b
> 
> 11799137fec9091ebacbe3532cd5c4029806bfb2 M      drivers
> 
> 
> (I used the linux-stable tree).
> 
> Does this help and can I enable/disable ERT?
> 
> Cheers
> 
> Carsten

------------------------------------------------------------------------------
Try before you buy = See our experts in action!
The most comprehensive online learning library for Microsoft developers
is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3,
Metro Style Apps, more. Free future releases when you subscribe now!
http://p.sf.net/sfu/learndevnow-dev2
_______________________________________________
E1000-devel mailing list
E1000-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/e1000-devel
To learn more about Intel&#174; Ethernet, visit 
http://communities.intel.com/community/wired

Reply via email to