Messages in this thread | | | Date | Sat, 01 Dec 2007 13:47:06 +0100 | From | Udo van den Heuvel <> | Subject | Re: possible BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 |
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Cyrill Gorcunov wrote: > [Udo van den Heuvel - Sat, Dec 01, 2007 at 12:00:53PM +0100] > | I only had teh bug once, that was the reason for my post. > | Since then the system has been busy, with intervals, doing kernel > | compiles and no repeat of the BUG yet... > | It's a VIA EN12000 with 1GB of RAM. How could I increase the chances of > | hitting it? > > if my guessing is right - the only chance to hit it faster - is to increase > files' activity i.e. compiling the kernel involves a lot of file being readed > thru dcache system. First we have to locate the bug on a pure kernel > and 'case it's a rare thing to happen... well I don't really know how to > get it up to known point. So i think you could play with a pure kernel > by compiling it or run several copies of 'grep' thru kernel searching > the same pattern like "grep -r -n for ./*" in kernel sources. But Udo, > I'm not a kernel specialist so my suggestions could be not really usefull ;)
Ok, maybe someone else can improve on this: I now have 12 screen'ed sessions running in /usr/src/linux with: while true; do grep -r -n for ./*; done
Every now and then I can check dmesg.
Would that be enough?
Udo
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