Re: possible BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000

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[Udo van den Heuvel - Sat, Dec 01, 2007 at 01:47:06PM +0100]
| 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
| 

I think yes - it would be enough ;)

		Cyrill

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