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Subjectunable to handle kernel NULL pointer deference
Date
Could someone tell me what is causing the following to happen?

From alerts log:

Mar 31 06:00:47 jasmin sendmail[259]: NOQUEUE: SYSERR(root): getrequests: accept: Connection reset by peer
Mar 31 06:01:14 jasmin kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000008
Mar 31 06:01:14 jasmin kernel: current->tss.cr3 = 00871000,
Mar 31 06:01:14 jasmin kernel: *pde = 00102067
Mar 31 06:01:14 jasmin kernel: *pte = 00000000

From kernel log:

Mar 31 06:00:31 jasmin kernel: CSLIP: code copyright 1989 Regents of the University of California
Mar 31 06:00:31 jasmin kernel: PPP: version 2.2.0 (dynamic channel allocation)
Mar 31 06:00:31 jasmin kernel: PPP Dynamic channel allocation code copyright 1995 Caldera, Inc.
Mar 31 06:00:31 jasmin kernel: PPP line discipline registered.
Mar 31 06:00:31 jasmin kernel: registered device ppp0
Mar 31 06:01:14 jasmin kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000008
Mar 31 06:01:14 jasmin kernel: current->tss.cr3 = 00871000,
Mar 31 06:01:14 jasmin kernel: *pde = 00102067
Mar 31 06:01:14 jasmin kernel: *pte = 00000000
Mar 31 06:01:14 jasmin kernel: Oops: 0000
Mar 31 06:01:14 jasmin kernel: CPU: 0
Mar 31 06:01:14 jasmin kernel: EIP: 0010:[unix_data_wait+34/72]
Mar 31 06:01:14 jasmin kernel: EFLAGS: 00010046
Mar 31 06:01:14 jasmin kernel: eax: 00000000 ebx: 009c8810 ecx: 009c8964 edx: 00000000
Mar 31 06:01:14 jasmin kernel: esi: 009c0000 edi: 009c8810 ebp: 009c88d0 esp: 00257ee8
Mar 31 06:01:14 jasmin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Mar 31 06:01:14 jasmin kernel: Process in.nnrpd (pid: 20217, process nr: 73, stackpage=00257000)
Mar 31 06:01:14 jasmin kernel: Stack: 009c8964 0013c3b2 009c8810 00000400 00cb3700 400ec000 00cb3790 bfffcb8e
Mar 31 06:01:14 jasmin kernel: 009c88d0 762f0001 732f7261 009c88d0 00000000 00000000 00000000 00257f78
Mar 31 06:01:14 jasmin kernel: 00000400 400ec000 00000000 00000000 00000000 009c8810 001356ae 00cb3790
Mar 31 06:01:14 jasmin kernel: Call Trace: [unix_recvmsg+538/1016] [sock_read+170/192] [sys_read+190/228] [system_call+85/124]
Mar 31 06:01:14 jasmin kernel: Code: 81 48 08 00 00 02 00 ff b3 d0 00 00 00 e8 3c 4b fd ff 8b 83

I've been running 2.0.32 on my i486 since 06 January 1998, and
I've gotten the above errors twice in two weeks now. I must
reboot after this happens as the kernel messages are spewed to my
console after this happens. It seems to be somehow related to my
news server, but I'm no kernel hacker so I don't know for sure.

Please Cc: any replies directly to my e-mail address.

Regards,
Jerry


---
"J. Kinsley" <jkinsley at BeYoND-THe-iLLuSioN dot CoM>

"All B.S. is true in a sense, false in a sense, meaningless in a
sense, true and false in a sense, true and meaningless in a sense,
false and meaningless in a sense, and true, false, and meaningless
in a sense; never fully beLIEve in anyones B.S., and more importantly
never fully beLIEve in your own B.S." -- Robert Anton Wilson


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