Subject: zeroing code [was Re: mystery panic in vga_accessops()]
To: Matthias Drochner <M.Drochner@fz-juelich.de>
From: Patrick Welche <prlw1@newn.cam.ac.uk>
List: port-i386
Date: 05/19/2000 13:43:23
On Thu, May 18, 2000 at 04:46:23PM +0200, Matthias Drochner wrote:
> 
> prlw1@newn.cam.ac.uk said:
> > (gdb) bt
> > #0  0xc01cfa9e in vga_accessops ()
> > [...]
> > #11 0xc0100c49 in calltrap ()
> > #12 0xc0191d7c in uvm_pageidlezero () at ../../../../uvm/uvm_page.c:1286
> 
> It is unlikely that the crash was caused by the VGA driver;
> it looks rather like a problem with the new page zeroing code.

Any suggestions on how I can take this further? The main problem is that I
don't have a way of reproducing this - it only happened once and all seems
fine since...

Cheers,

Patrick