kernel-oops/2.2.1

Uwe Schmeling (uschmeli@csa.de)
Mon, 22 Feb 1999 12:11:55 +0100 (CET)


I'm getting the following kernel oops several times each day:
Oops: 0000
CPU: 0
EIP: 0010:[<c5839a5b>]
EFLAGS: 00010292
eax: c3200020 ebx: 00000000 ecx: 00000000 edx: 00000034
esi: ffffffff edi: c3207e00 ebp: c0219e60 esp: c0219e4c
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, process nr: 0, stackpage=c0219000)
Stack: c332d40c c332d400 00000000 c4d6c000 00000021 c3200020 c58302b4
c3200020
c332d40c c332d200 c3200020 c332d40c c0219f08 c5830704 c332d40c
c332d200
c3200020 c0083920 c3200020 c332d40c c0219f08 c0083920 c014ae39
c3200020
Call Trace: [<c58302b4>] [<c5830704>] [<c014ae39>] [<c0146c31>]
[<c014928c>] [<c01545d5>] [<c01538ab>]
[<c0153940>] [<c0146f4d>] [<c0115d4d>] [<c0108c8b>] [<c0107b20>]
[<c010635d>] [<c0106000>] [<c0106380>]
[<c0107a64>] [<c0106000>] [<c010607b>] [<c0106000>] [<c0100176>]
Code: f6 81 48 04 00 00 04 74 14 8b 45 08 8b 40 5c 50 68 bd f8 83

>>EIP: c5839a5b <isdn_ppp_xmit+14b/3ec>
Trace: c58302b4 <isdn_net_xmit+30/154>
Trace: c5830704 <isdn_net_start_xmit+2d8/2f4>
Trace: c014ae39 <qdisc_restart+39/6c>
Trace: c0146c31 <dev_queue_xmit+35/bc>
Trace: c014928c <neigh_connected_output+58/7c>
Trace: c01545d5 <ip_forward+401/568>
Trace: c01538ab <ip_rcv+23f/304>
Trace: c0153940 <ip_rcv+2d4/304>
Trace: c0107a64 <system_call+34/40>
Code: c5839a5b <isdn_ppp_xmit+14b/3ec> 00000000 <_EIP>:
Code: c5839a5b <isdn_ppp_xmit+14b/3ec> 0: f6 81 48 04 00
testb $0x4,0x448(%ecx)
Code: c5839a60 <isdn_ppp_xmit+150/3ec> 5: 00 04
Code: c5839a62 <isdn_ppp_xmit+152/3ec> 7: 74 14 je
1d <_EIP+0x1d> c5839a78 <isdn_ppp_xmit+168/3ec>
Code: c5839a64 <isdn_ppp_xmit+154/3ec> 9: 8b 45 08
movl 0x8(%ebp),%eax
Code: c5839a67 <isdn_ppp_xmit+157/3ec> c: 8b 40 5c
movl 0x5c(%eax),%eax
Code: c5839a6a <isdn_ppp_xmit+15a/3ec> f: 50
pushl %eax
Code: c5839a6b <isdn_ppp_xmit+15b/3ec> 10: 68 bd f8 83 00
pushl $0x83f8bd

Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing
Unable to handle kernel NULL pointer dereference at virtual address
00000000
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000

As it seems to be an isdn issue it was sent to the isdn4k people too.
I'm bothered with that problem since several weeks and would be grateful
for any help.
regards Uwe

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