Messages in this thread | | | Date | Wed, 16 May 2007 22:11:42 +0200 | From | thomas@m3y3r ... | Subject | [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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