[BUG] unable to handle kernel NULL pointer dereference at virtual address 00000003

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This Oops happens under heavy load with 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7b104bcb8e460e45a1aebe3da9b86aacdb4cab12
 head.

Also i run the powertop tool in parallel of the build process.

This is what i could capture with netconsole:

"BUG: unable to handle kernel NULL pointer dereference at virtual address
00000003
 printing eip:
c0136e32
*pde = 00000000
Oops: 0000 [#1]
SMP 
Modules linked in: applesmc evdev snd_seq snd_seq_device"

System.map says:
c0136d47 t tick_nohz_handler
c0136e30 t match_entries
c0136e5a t tstats_open

match_entries is part of kernel/time/timer_stats.c
and only used within timer_stats.c

I guess without stack values this is hard to debug...

I cc'ed Ingo Molnar and Thomas Gleixner as they signed of the initial patch for
the timer_stats support:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=82f67cd9fca8c8762c15ba7ed0d5747588c1e221

mfg
thomas

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