oops' with the late 2.4.0-testX's

From: safemode (safemode@voicenet.com)
Date: Thu Jul 27 2000 - 17:22:27 EST


I'd just like to say first off i'm not subscribed to this list so anyone
with any answers as to why the problem is occurring should reply also to
me ...thanks.
    the problem is this :
Unable to handle kernel NULL pointer dereference at virtual address
00000008
 printing eip:
c0140d84
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0140d84>]
EFLAGS: 00010207
eax: 00000000 ebx: c12b1f40 ecx: c7d4cc40 edx: c7ff8000
esi: c120a3a0 edi: 00000000 ebp: c12b1f40 esp: c7ff9f00
ds: 0018 es: 0018 ss: 0018
Process start-stop-daem (pid: 147, stackpage=c7ff9000)
Stack: c7d4cc40 c7ff9fa4 c7c723c0 c7ff9fa4 00000000 00000000 00000000
c014127b
       c7d4cc40 00000001 c7ff9fa4 c7ff8000 c7d4cc40 c0134dd1 c7c723c0
c7ff9fa4
       c7d4cc40 00000000 c7e8d000 c7ff9fa4 bffffbdc 00000001 bffffbdc
c7ff9fa8
Call Trace: [<c014127b>] [<c0134dd1>] [<c013528c>] [<c0131eb6>]
[<c010a370>]
Code: 8b 50 08 39 d0 0f 84 81 00 00 00 8b 00 89 54 24 18 39 da 75

Now, the system is Debian Woody ... gcc version 2.95.2 20000220
the start-stop-daemon does the obvious, it works on kernels 2.4.0-test3
and previous, but none above
also, other problems like Kernel panic's on boot with INIT on the
Test5-pre kernels
this seems to be kernel config specific, since i compile under the same
system a different config and it worked fine.... under this current
kernel 2.4.0-test4, my ftp server wont connect to it's port, giving
this message : connect failed: Transport endpoint is not connected.
yet apache works (btw, this problem doesn't occur when accesing the ftp
server via another node on the network directly to this box. . only when
accessing locally and through the router, which worked before using
test3) with a pause between every access, but it works. keep in mind
it's commenicating over a masq box which forward requests to port 80 and
21 to this box. This was working fine with Test3
    for the bad config
http://psuedomode.homeip.net/bad_config

    for the working config
http://psuedomode.homeip.net/good_config

the good config was compiled for my firewall , it has a lot of
networking options set but i dont think this could be the problem, since
they're mostly modules and not very core to the kernel. but i could be
wrong :)
I guess if anyone can sort of point out what the evil option is that is
probably causing this i'd be really happy.
            Oh, i just noticed, the bad config is a config file from
2.4.0-test4 whereas the config file that's marked as good is from
2.4.0-test5-pre5 ...this shouldn't be a problem since they're both
basically the same and the problem only occurred worse (i used the same
config found in the bad_config with -test5) with test5.

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