Re: threshold_init_device/kobject_uevent_env oops

[Greg KH <gregkh@suse.de>]

On Fri, Jan 25, 2008 at 11:35:56PM +0100, Ingo Molnar wrote:
> 
> * Greg KH <gregkh@suse.de> wrote:
> 
> > On Fri, Jan 25, 2008 at 01:05:40PM -0800, Yinghai Lu wrote:
> > > current linus tree + x86.git
> > > 
> > > got
> > > 
> > > Calling initcall 0xffffffff80b93d98: threshold_init_device+0x0/0x3f()
> > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
> > > IP: [<ffffffff80458e20>] kobject_uevent_env+0x2a/0x3d9
> > 
> > Does this happen on just Linus's tree?
> > 
> > Can you send me a .config file for this?
> > 
> > What is threshold_init()?  Is it something new in the x86.git tree?
> 
> no. A quick grep shows that it is in a file that _your_ changes in 
> Linus' latest have touched:
> 
>   arch/x86/kernel/cpu/mcheck/mce_amd_64.c

Ok, those are pretty much just search/and/replace type changes, but I
have been running x86-64 boxes with these changes in place.

That's why I'm interested if Linus's tree right now shows this problem,
and if I can get a .config of the offending kernel to try to reproduce
it and fix it myself.

thanks,

greg k-h