Re: e1000e NVM corruption issue status

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To: Jesse Barnes <jbarnes@...>
Cc: Arjan van de Ven <arjan@...>, Jiri Kosina <jkosina@...>, Brandeburg, Jesse <jesse.brandeburg@...>, LKML <linux-kernel@...>, <agospoda@...>, Ronciak, John <john.ronciak@...>, Allan, Bruce W <bruce.w.allan@...>, Graham, David <david.graham@...>, <kkiel@...>, <tglx@...>, <chris.jones@...>, <arjan@...>
Date: Friday, September 26, 2008 - 2:53 pm

Jesse Barnes wrote:

I've been experimenting with unmapping flash space until its actually
needed, e.g., in the functions that use the E1000_READ_FLASH and
E1000_WRITE_FLASH macros. Along the way I looked at how flash write
cycles are initiated because I was having a hard time believing that
having flash space mapped was part of the root cause. However, it looks
like its pretty simple to initiate a write or erase cycle. All of the
required action bits in ICH_FLASH_HSFSTS and ICH_FLASH_HSFCTL must be 1,
and these 2 register are in the correct order if X was writing 0xff in
ascending order.

Just a thought.

rtg
--
Tim Gardner timg@tpi.com www.tpi.com
OR 503-601-0234 x102 MT 406-443-5357
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Messages in current thread:
e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 9:50 pm)
Re: e1000e NVM corruption issue status, James Courtier-Dutton, (Sat Oct 18, 3:13 pm)
Re: e1000e NVM corruption issue status, Jiri Kosina, (Sat Oct 18, 6:49 pm)
Re: e1000e NVM corruption issue status, Karsten Keil, (Fri Sep 26, 3:19 am)
Re: e1000e NVM corruption issue status, Jesse Brandeburg, (Fri Sep 26, 1:44 am)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:01 pm)
Re: e1000e NVM corruption issue status, Karsten Keil, (Fri Sep 26, 10:23 am)
Re: e1000e NVM corruption issue status, Jiri Kosina, (Fri Sep 26, 2:13 am)
Re: e1000e NVM corruption issue status, Arjan van de Ven, (Fri Sep 26, 7:49 am)
Re: e1000e NVM corruption issue status, Jesse Barnes, (Fri Sep 26, 1:52 pm)
Re: e1000e NVM corruption issue status, Jesse Barnes, (Fri Sep 26, 2:23 pm)
Re: e1000e NVM corruption issue status, Tim Gardner, (Fri Sep 26, 2:53 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Fri Sep 26, 8:05 pm)
Re: e1000e NVM corruption issue status, Tim Gardner, (Sat Sep 27, 12:20 am)
Re: e1000e NVM corruption issue status, Krzysztof Halasa, (Fri Sep 26, 6:04 pm)
RE: e1000e NVM corruption issue status, Brandeburg, Jesse, (Fri Sep 26, 6:23 pm)
Re: e1000e NVM corruption issue status, Krzysztof Halasa, (Sat Sep 27, 2:45 pm)
Re: e1000e NVM corruption issue status, Jesse Barnes, (Fri Sep 26, 2:39 pm)
Re: e1000e NVM corruption issue status, Jesse Barnes, (Fri Sep 26, 2:43 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:13 pm)
Re: e1000e NVM corruption issue status, Jiri Kosina, (Mon Sep 29, 11:52 am)
Re: e1000e NVM corruption issue status, Jiri Kosina, (Mon Sep 29, 12:20 pm)
RE: e1000e NVM corruption issue status, Brandeburg, Jesse, (Mon Sep 29, 12:24 pm)
RE: e1000e NVM corruption issue status, Jiri Kosina, (Mon Sep 29, 1:18 pm)
RE: e1000e NVM corruption issue status, Jiri Kosina, (Mon Sep 29, 1:36 pm)
RE: e1000e NVM corruption issue status, Jiri Kosina, (Mon Sep 29, 6:43 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:13 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:12 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:12 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:11 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:11 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:10 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:10 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:10 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:09 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:09 pm)
Re: e1000e NVM corruption issue status, Ingo Molnar, (Fri Sep 26, 3:12 am)
Re: e1000e NVM corruption issue status, Chris Snook, (Thu Sep 25, 9:58 pm)
Re: e1000e NVM corruption issue status, Brandeburg, Jesse, (Thu Sep 25, 10:04 pm)