Re: v2.6.28-rc7: error in panic code? (NULL pointer dereference at0000004c)

[Greg KH]

On Fri, Dec 19, 2008 at 10:35:57PM +0200, Pekka Enberg wrote:
> Hi Greg,
> 
> On Fri, Dec 19, 2008 at 06:19:43PM +0100, Vegard Nossum wrote:
> > Fixes what?  It might be quite difficult to revert that patch now, as
> > the infrastructure is no longer in place to use a private pci device
> > list, that code is long gone.
> 
> Vegard forced one oops but got two! The first one is expected and but
> the second one shouldn't probably be there:

"Second" oopses are known to not be reliable, I wouldn't count it as a
real problem unless it happens on its own.

> >> > [    0.040993] EIP: [<c13b41dc>] klist_next+0x10/0x8d SS:ESP 0068:c165dd48
> 
> Looks like the patch Vegard identified breaks something in the oops path?

Very wierd, I also don't understand how reverting the specific patch
would even make a buildable system.

thanks,

greg k-h
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