Linux-kernel mailing list archive 1999-22,: Oops in 2.2.9

# Oops in 2.2.9

Joop Stakenborg (aba@casema.net)
Fri, 4 Jun 1999 18:04:37 +0000

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Here is a oops I get with the 2.2.9 kernel. All earlier 2.2 kernels have the
same problem. I passed it through ksymoops.
It occurs when using a packet-radio terminal program, which uses the
kernel AX.25 code.

Can anyone help me with this?
-------------------------------------------------------------------------------
Options used: -V (default)
-o /lib/modules/2.2.9/ (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-m /boot/System.map-2.2.9 (specified)
-c 1 (default)

Unable to handle kernel NULL pointer dereference at virtual address 00000004
current->tss.cr3 = 00590000, %cr3 = 00590000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0148cf7>]
EFLAGS: 00010002
eax: c0707e80 ebx: c064f4f4 ecx: 00000256 edx: 00000000
esi: 000005dc edi: c064f4f4 ebp: c064f4f4 esp: c0289e2c
ds: 0018 es: 0018 ss: 0018
Process tnt (pid: 206, process nr: 24, stackpage=c0289000)
Stack: 00000000 c0289f6c 00000001 c064f4f4 00000006 c0289e50 c101ab07 c064f4b0
00000000 00000000 c0289e74 c07b01ac 000005dc 00000000 c0289f6c 00000046
00000152 c064f4b0 00000007 c0145e02 c07b01ac c0289f6c 000005dc 00000000
Call Trace: [<c101ab07>] [<c0145e02>] [<c101aab0>] [<c01469f4>] [<c0148dd5>] [<c012d8cb>] [<c012dc3a>]
[<c014712b>] [<c0108f34>] [<c010002b>]
Code: 89 5a 04 89 13 c7 00 00 00 00 00 c7 40 04 00 00 00 00 c7 40

>>EIP: c0148cf7 <skb_recv_datagram+157/190>
Trace: c101ab07 <xcvr+245f/2ef8>
Trace: c0145e02 <sock_recvmsg+42/c0>
Trace: c101aab0 <xcvr+2408/2ef8>
Trace: c01469f4 <sys_recvfrom+a4/100>
Trace: c0148dd5 <datagram_poll+25/d0>
Trace: c012d8cb <free_wait+6b/80>
Trace: c012dc3a <do_select+1fa/220>
Trace: c014712b <sys_socketcall+16b/1f0>
Code: c0148cf7 <skb_recv_datagram+157/190> 00000000 <_EIP>: <===
Code: c0148cf7 <skb_recv_datagram+157/190> 0: 89 5a 04 movl %ebx,0x4(%edx) <===
Code: c0148cfa <skb_recv_datagram+15a/190> 3: 89 13 movl %edx,(%ebx)
Code: c0148cfc <skb_recv_datagram+15c/190> 5: c7 00 00 00 00 00 movl $0x0,(%eax)
Code: c0148d02 <skb_recv_datagram+162/190> b: c7 40 04 00 00 00 00 movl $0x0,0x4(%eax)
Code: c0148d09 <skb_recv_datagram+169/190> 12: c7 40 00 00 00 00 00 movl $0x0,0x0(%eax)
-----------------------------------------------------------------------------

Thanks,

Joop

    --

     Joop Stakenborg PA4TU, ex-PA3ABA <pa3aba@debian.org>
     Linux Hamradio Applications and Utilities Homepage
     http://www.casema.net/~aba

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