On Sun, Jul 16, 2000 at 06:24:28PM -0700, Keith M Wesolowski wrote:
Responding to my own mail, yeesh. I was obviously suffering a dumbass
attack when I wrote this.
> Code; 8801eb1c <r4k_flush_cache_page_s128d16i16+74/324>
> 8: 8ce5003c lw $a1,60($a3)
> Code; 8801eb20 <r4k_flush_cache_page_s128d16i16+78/324> <=====
> c: 8c62003c lw $v0,60($v1) <=====
> The fault address is 0x3c. The offset of mm in current is 0x2c. Thus
> the immediate cause appears to be that current->mm is 0x10, obviously
The interesting bit is not current->mm, but current->mm->context. The
offset of context is 60 as shown above in the disassembly. 60 = 3c, so
it's clear that current->mm is in fact NULL.
Hope this makes things a bit clearer.
Keith M Wesolowski firstname.lastname@example.org
University of Nevada http://www.chem.unr.edu
Chemistry Department Systems and Network Administrator