linux-kernel - Re: [E1000-devel] e1000: "eeprom checksum is not valid" after kexec

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Message-ID: <20090423141026.GB4046@vespa.holoscopio.com>
Date:	Thu, 23 Apr 2009 11:10:26 -0300
From:	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	e1000-devel@...ts.sourceforge.net, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [E1000-devel] e1000: "eeprom checksum is not valid" after kexec

On Thu, Apr 23, 2009 at 03:36:43PM +0200, Jiri Slaby wrote:
> Hi,
> 
> 4a865905f685eaefaedf6ade362323dc52aa703b
> (PCI PM: Make pci_set_power_state() handle devices with no PM support)
> breaks e1000 after being kexec'ed. These reverts fix the problem:
>     Revert "PCI PM: Make pci_set_power_state() handle devices with no PM
> support"
>     Revert "PCI PM: Introduce __pci_[start|complete]_power_transition()
> (rev. 2)"
> 
> I reverted the second one just for an easy revert of the former one,
> which is actually the culprit.
> 
> The symptoms:
> e1000 0000:02:01.0: enabling device (0000 -> 0003)
> e1000 0000:02:01.0: PCI INT A -> Link[LNKA] -> GSI 11 (level, low) -> IRQ 11
> e1000 0000:02:01.0: setting latency timer to 64
> e1000: 0000:02:01.0: e1000_probe: The EEPROM Checksum Is Not Valid
> Switched to high resolution mode on CPU 0

Have you tried b43fcd7dc7b, found in v2.6.30-rc3?

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