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Xolotl
n00b
n00b


Joined: 21 Jun 2003
Posts: 7
Location: Airdrie Alberta Canada

PostPosted: Fri Aug 08, 2003 8:01 pm    Post subject: Unable to handle kernel NULL pointer dereference... Reply with quote

OK, here's some background. I keep getting this error. It crops up only while booted under the LiveCD (as far as I remember). Generally it happens when I try to log into another terminal (alt F2, alt F3, alt F4). immediately after typing root and hitting enter, I get this:

Code:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
Printing eip:
00000000
Oops: 0000
CPU: 0
EIP: 0010:[<00000000>]   Tainted GF
EFLAGS: 00010206
eax: c0334aa0   ebz: c9a640d0   ecx: c10c0d18   edx: c112052c
esi: c10c0d18   edi: c9f2f50c   ebp: 00001855   esp: c4a358a4
ds: 0018   es: 0018   ss: 0018

Process login (pid: 9327, stackpage=c4a35000)

Stack:   ...

Call Trace: ...

Code: Bad EIP value.


I have the Stack and Call Trace hex numbers recorded if anyone needs to see them.

Sometimes this error will happen when doing a command other than login, but only rarely.


Here are my specs:

Toshiba 2100CDS
160M ram
4.3g hdd
k6-2 400 proc
pcmcia SMC network card
S3 Virge graphics

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Deathwing00
Bodhisattva
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Joined: 13 Jun 2003
Posts: 4087
Location: Dresden, Germany

PostPosted: Fri Aug 08, 2003 11:16 pm    Post subject: Reply with quote

I don't know wether there is someone with great knowledge on that so, if you see no one answers you, fill a bug report. I'm sure developers can give you a hand on that!
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floam
Veteran
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Joined: 27 Oct 2002
Posts: 1067
Location: Vancouver, WA USA

PostPosted: Fri Aug 08, 2003 11:53 pm    Post subject: Reply with quote

Compile your kernel with symbols and show the ksymoops output, the hex values are pretty useless.
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correctclick
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Joined: 18 Jul 2002
Posts: 71

PostPosted: Sat Aug 09, 2003 11:40 pm    Post subject: Reply with quote

Well, it could be a bug, but I got the exact same thing and it turned out to be bad memory. Try out memtest86 [http://www.memtest86.com/] and see if you get any errors.
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