jnf (0x730x690x6e) wrote in linux,
jnf
0x730x690x6e
linux

# insmod net.o id=100 dev=eth0
Warning: loading /home/jnf/net.o will taint the kernel: no license
See http://www.tux.org/lkml/#s1-18 for more information about tainted modules
Module net loaded, with warnings

# tail /var/log/kern Unable to handle kernel NULL pointer dereference at virtual addrss 00000063
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[] Tainted: P
EFLAGS: 00010212
eax: 00000031 ebx: 00000000 ecx: c1841342 edx: c1841342
esi: c006f3a0 edi: c006f440 ebp: c03c5f10 esp: c03c5ef8
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c03c5000)
Stack: [stack dump here]
etc etc
Code: f6 44 43 01 08 75 f5 89 cb 81 e3 00 ff 00 00 c1 fb 08 0f b6
<0>Kernel panic: Aiee, killinger interrupt handler!
In interrupt handler - not syncing


1 linux distro bought on disk: about $29.95
1 p133 with too many disks to use for development: about $10.00
1 skeleton kernel module that will cause a kernel panic: a few misc whitepapers, about 30 minutes actual coding, and 2 hours finding all the libc functions you need to bring into kernel land with you.
using vmware: priceless.
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