Dorking around in mozilla did this, the machine had completely locked up
so this was from the serial;
Unable to handle kernel paging request at virtual address 5a5a5ad6
printing eip:
c0115f2f
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0060:[<c0115f2f>] Not tainted
EFLAGS: 00010202
EIP is at flush_tlb_mm+0x1f/0x90
eax: c1ce01a0 ebx: 5a5a5a5a ecx: 00000000 edx: fffffffe
esi: 00400000 edi: c759d418 ebp: 00100000 esp: c2749f04
ds: 0068 es: 0068 ss: 0068
Process mozilla-bin (pid: 1396, threadinfo=c2748000 task=c1ce01a0)
Stack: c759d418 c01418ab 5a5a5a5a c759d418 c142d810 c0141a1a c142d810 c195263c
c012c577 00000001 00000000 c1ce01a0 41500000 00100073 00000002 c195263c
c0141c62 c195263c 41800000 41500000 00000025 00000025 c2fda834 00000073
Call Trace:
[<c01418ab>]change_protection+0x1bb/0x210
[<c0141a1a>]mprotect_attempt_merge+0x11a/0x1d0
[<c012c577>]update_process_times+0x27/0x30
[<c0141c62>]mprotect_fixup+0x192/0x1b0
[<c0141de7>]sys_mprotect+0x167/0x2f0
[<c010bd67>]do_IRQ+0x1e7/0x200
[<c0109477>]syscall_call+0x7/0xb
Code: 23 53 7c 39 58 60 75 38 8b 40 5c 85 c0 74 08 0f 20 d8 0f 22
(gdb) list *flush_tlb_mm+0x1f
0xc0115f2f is in flush_tlb_mm (smp.c:451).
446 void flush_tlb_mm (struct mm_struct * mm)
447 {
448 unsigned long cpu_mask;
449
450 preempt_disable();
451 cpu_mask = mm->cpu_vm_mask & ~(1UL << smp_processor_id());
452
453 if (current->active_mm == mm) {
454 if (current->mm)
455 local_flush_tlb();
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