>  invalid operand: 0000
> CPU:    0
> EIP:    0010:[__free_pages_ok+40/500]    Tainted: P
> EFLAGS: 00010286
> eax: 00000000   ebx: c1834000   ecx: c149cd80   edx: d9c0a530
> esi: c149cd80   edi: 00000000   ebp: c149cd80   esp: c1835f2c
> ds: 0018   es: 0018   ss: 0018
> Process kswapd (pid: 4, stackpage=c1835000)
> Stack: c1834000 c149cd9c c1834000 c149cd80 000001d0 c1834000 c149cd9c c012cfb4
>        c012de17 c012cff9 00000020 000001d0 00000020 00000006 000001fb 000019d0
>        000001d0 c02d4ba8 0000001c c012d292 00000006 0000001a 00000006 000001d0
> Call Trace: [shrink_cache+584/1000] [__free_pages+27/28] [shrink_cache+653/1000] [shrink_caches+86/124] [try_to_free_pages+55/88]
>    [kswapd_balance_pgdat+67/140] [kswapd_balance+18/40] [kswapd+153/188] [kernel_thread+40/56]
Firstly the kernel is in an undefined state if it undergoes an oops (in 
most cases), secondly thats the nVidia module which caused that, i've seen 
it quite a number of times, easily reproduceable too. I don't encourage 
its use but if thats not the latest driver, try upgrading it.
Regards,
	Zwane Mwaikambo
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