Hi

 Unable to handle kernel paging request at virtual address 00100100
 printing eip:
 c0269924
 *pde = 00000000
 Oops: 0000 [#1]
 PREEMPT
 Modules linked in: e100 mii ohci_hcd ohci1394 ieee1394 yenta_socket
pcmcia_core fbcon font radeonfb i2c_algo_bit cfbcopyarea cfbimgblt
cfbfillrect 8250_pci 8250 serial_core snd_intel8x0m snd_intel8x0
snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc
snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore ehci_hcd usbhid
uhci_hcd usbcore intel_agp agpgart pcspkr tsdev psmouse evdev nls_utf8 ntfs
nls_base md dm_mod acpi freq_table eeprom i2c_sensor i2c_i801 i2c_core rtc
ide_cd cdrom unix
 CPU:    0
 EIP:    0060:[fib_find_info+100/320]    Not tainted VLI
 EFLAGS: 00010206   (2.6.9-rc2-bk3)
 EIP is at fib_find_info+0x64/0x140
 eax: f7d7cf20   ebx: 00000004   ecx: 00000000   edx: 00100100
 esi: 00000000   edi: 00100100   ebp: 00000001   esp: f7dbdd8c
 ds: 007b   es: 007b   ss: 0068
 Process ifconfig (pid: 2520, threadinfo=f7dbc000 task=f7dd0560)
 Stack: 00000002 00100100 f76f8240 c035fd78 00000000 0100007f 00000002
00000004
        f76f8268 f7dbde40 f76f82a0 c026a159 0100007f f76f8240 f76f8240
ffffffed
        f7dbde40 f7dbde90 ffffffea f7dbde40 00000000 00000000 c026b467
f7dbde18
 Call Trace:
  [fib_create_info+553/1120] fib_create_info+0x229/0x460
  [fn_hash_insert+151/1120] fn_hash_insert+0x97/0x460
  [ipv4_doint_and_flush+0/112] ipv4_doint_and_flush+0x0/0x70
  [register_proc_table+133/272] register_proc_table+0x85/0x110
  [proc_register+19/176] proc_register+0x13/0xb0
  [fib_magic+235/240] fib_magic+0xeb/0xf0
  [fib_add_ifaddr+90/304] fib_add_ifaddr+0x5a/0x130
  [fib_inetaddr_event+87/96] fib_inetaddr_event+0x57/0x60
  [notifier_call_chain+24/64] notifier_call_chain+0x18/0x40
  [inet_insert_ifa+152/320] inet_insert_ifa+0x98/0x140
  [devinet_ioctl+833/1600] devinet_ioctl+0x341/0x640
  [inet_ioctl+103/176] inet_ioctl+0x67/0xb0
  [sock_ioctl+242/640] sock_ioctl+0xf2/0x280
  [sys_ioctl+246/576] sys_ioctl+0xf6/0x240
  [syscall_call+7/11] syscall_call+0x7/0xb
 Code: c2 c1 ea 07 31 c2 c1 e8 0c 31 c2 a1 20 af 36 c0 21 ca 8b 14 90 85 d2
89 54 24 04 74 26 8d 76 00 8d bc 27 00 0000 00 8b 7c 24 04 <8b> 1f 0f 18 03
90 8b 47 5c 39 e8 89 04 24 74 12 89 5c 24 04 85


Debin Sid with these tools:

Gnu C                  3.3.4
Gnu make               3.80
binutils               2.15
util-linux             2.12
mount                  2.12
module-init-tools      3.1-pre5
e2fsprogs              1.35
jfsutils               1.1.6
reiserfsprogs          3.6.18
reiser4progs           line
xfsprogs               2.6.20
pcmcia-cs              3.2.5
PPP                    2.4.2
Linux C Library        2.3.2
Dynamic linker (ldd)   2.3.2
Procps                 3.2.3
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.2.1

--
ciao
 -Ale