Help with panic: vm_fault

[Brad Marsh]

Thanks for the help...I booted the GENERIC kernel, and it allowed me to
log in as root, but as soon as I started to to anything (I think I did
"cd") it panicked.

I'm going to run the memtest86 and see if it says anything. 

If you think it would be useful, I could do more debugging on the new
vmcore file.

Thanks again!

--- Brad Marsh <budojeepr at yahoo.com> wrote:

> Date: Thu, 12 Jan 2006 14:58:23 -0800 (PST)
> From: Brad Marsh <budojeepr at yahoo.com>
> Subject: Re: Help with panic: vm_fault
> To: Mark Tinguely <tinguely at casselton.net>
> 
> > Does the Mainboard say that it can handle this amount
> > of RAM?
> 
> The manual for the motherboard says I can use up to two 1GB modules.
> 
> (And I used to have two 256MB modules, so I know it can handle two at
> a
> time. Also, right now I'm using one 512 and one 256.)
> 
> > Do you have 2 video cards, for example a built into the
> > mainboard but disabled?
> 
> Just the built-in video adapter.
> 
> > Is this a GENERIC kernel or has it been modified? I see
> > the compile directory is DEBUG, so I am guessing it 
> > could be a custom kernel.
> 
> Yeah, I customized it first thing. Then after all this trouble I
> built
> a debug kernel and put the two modules in again so I'd have the debug
> info.
> 
> > >  #17 0xc062b6bf in Xint0x80_syscall () at
> > >  ../../../i386/i386/exception.s:200
> > >  #18 0x00000033 in ?? ()
> > >  Previous frame inner to this frame (corrupt stack?)
> > >  (kgdb) q
> > 
> > Level 17 is wrong, because that is not a caller of
> > pmap_change_wiring().
> > Maybe the stack frame got corrupted and the strange VA
> > is another side effect of the corruption.
> 
> > ...if this is not a GENERIC kernel, could you try
> > boo[t]ing say the install CD to eliminate
> > options in the kernel?
> 
> Great idea. I kept the original GENERIC kernel around just for this
> purpose. Back in a while...
> 
> Thanks!
> 
> P.S. I've been working toward testing with memtest86, but this
> machine
> doesn't have a floppy, the USB floppy isn't working (strangely enough
> -
> it used to), and I don't have any CDs at this office that the burner
> can use! I'm having a lovely day. :^)


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