[OOPS] net/8139too

[Philipp Matthias Hahn]

Hello LKML!

Since linux-2.4.15-pre[14]+kdb+freeswan I get an oops when stopping my
8139too network:

# ifdown eth0
eth0: unable to signal thread
# rmmod -a
<<< Unplug the network kable >>>
Inable to handle kernel paging request at virtual address c904b600
 printing eip:
c904b600
*pde = 0127d067
*pte = 00000000

Entering kdb (current=0xc792a000, pid 59) Oops: Oops
due to oops @ 0xc904b600
eax = 0xc904b600 ebx = 0xc217aaa0 ecx = 0xc9065000 edx = 0x00000020
esi = 0x04000001 edi = 0x00000009 esp = 0xc792beae eip = 0xc904b600
ebp = 0xc792bef6 xss = 0x00000018 xcs = 0x00000010 eflegs = 0x00010202
xds = 0x00000018 xes = 0x00000018 origeax = 0xffffffff &regs = 0xc792be7a
kdb> bt
    EBP       EIP         Function(args)
0xc792bef6 0xc904b600 <unknown>+0xc904b600
                               kernel <unknown> 0x0 0x0 0x0

# ksymoops -A 0xc904b600
Adhoc c904b600 <[8139too]rtl8139_interrupt+0/dc>

Quoting from Documentation/networking/8139too.txt:
> Version 0.9.22 - November 8, 2001
> ...
> Version 0.9.21 - November 1, 2001
> ...
> * Fix problems with kernel thread exit.
an from drivers/net/8139too.c:
> Robert Kuebel - Save kernel thread from dying on any signal.

Hope that helps.

BYtE
Philipp
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