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

From: Rafael J. Wysocki
Date: Mon May 11 2009 - 11:33:00 EST


On Monday 11 May 2009, Rafael J. Wysocki wrote:
> On Monday 11 May 2009, Jiri Slaby wrote:
> > On 04/24/2009 06:09 PM, Rafael J. Wysocki wrote:
> > > My understanding is that the commit pointed to by Jiri caused a problem
> > > if the current mainline kernel was kexeced from an older kernel (2.6.27.x from
> > > openSUSE-11.1 in this particular case), because the older kernel didn't
> > > have the recent network driver fixes applied. Is this correct?
> >
> > Exactly!
> >
> > > Also, I'm still interested in whether or not removig the following three lines:
> > >
> > > /* Check if we're already there */
> > > if (dev->current_state == state)
> > > return 0;
> > >
> > > from pci_set_power_state() in the current mainline kernel fixes the problem
> > > in the configuration where it is readily reproducible.
> >
> > After removing those lines, the problem still persists:
> > e1000: 0000:02:01.0: e1000_probe: The EEPROM Checksum Is Not Valid
>
> So it's more complicated than I thought. Well ...
>
> What if the driver in question is rmmoded before kexec?

Well, it should be the same, never mind.
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