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List:       linux-kernel
Subject:    smc-ultra module and 2.1.51
From:       Kostas Liakakis <kostas () rincewind ! techpath ! gr>
Date:       1997-08-31 14:47:52
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Hi,

today I gave a try to 2.1.51 and got an oops while trying to load the
smc-ultra driver module for my ethercard. The module stayed in memory and
lsmod reported it as uninitialized. In the same machine I have another
ethercard, a NE2000 whose driver is compiled into the kernel and seems to
be working all right. This is on an old Compaq Prosignia, a Pentium with
16mb memory and an AHA1522 fitted. 

If anybody has a clue, I would be more than happy to try out anything. I
will also try to compile the smc driver into the kernel and see if this
makes any difference. FWIW other modules appear to load ok, ppp for
example. I am using modutils-2.1.34.

Logs follow, sorry for the length of this...

-K.

<1>Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 00de0000, %cr3 = 00de0000
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<c01b2f00>]
EFLAGS: 00010202
eax: 00000000   ebx: 00000273   ecx: 00000007   edx: 00000004
esi: c1804c10   edi: 0000024c   ebp: 00000240   esp: c0e2fe9c
ds: 0018   es: 0018   ss: 0018
Process insmod (pid: 42, process nr: 9, stackpage=c0e2f000)
Stack: c18042d6 c1804c10 00000001 c01ad698 c1804c10 00000202 00000248 c01aa80a
       00000000 000000d4 00000032 c01aa841 00000000 c01b4404 00000001 c1804a53
       c0110aa9 c01a5530 00000001 c01ad698 c1804c10 00000202 05030900 0f0b0a07
Call Trace: [<c18042d6>] [<c1804c10>] [<c1804c10>] [<c1804a53>] [<c0110aa9>] [<c1804c10>] [<c1804066>]
       [<c1804c10>] [<c1804c10>] [<c017d0a5>] [<c1804c10>] [<c1804c10>] [<c180494d>] [<c1804c10>] [<c1804000>]
       [<c1805044>] [<c0112f2f>] [<c1804048>] [<c0109438>]
Code: 00 00 00 00 24 0c 83 3d a4 d7 1a c0 01 7e 0e a1 a0 d7 1a c0

And ksymopps says:

Using `linux/System.map' to map addresses to symbols.

>>EIP: c01b2f00 <ethdev_init>
Trace: c18042d6
Trace: c1804c10
Trace: c1804c10
Trace: c1804a53
Trace: c0110aa9 <printk+151/160>
Trace: c1804c10
Trace: c1804066
Trace: c1804c10
Trace: c1804c10
Trace: c017d0a5 <register_netdev+4d/d8>
Trace: c1804c10
Trace: c1804c10
Trace: c180494d
Trace: c1804c10
Trace: c1804000
Trace: c1805044
Trace: c0112f2f <sys_init_module+53f/5b0>
Trace: c1804048
Trace: c0109438 <system_call+38/40>

Code: c01b2f04 <ethdev_init+4/7c> andb   $0xc,%al
Code: c01b2f06 <ethdev_init+6/7c> cmpl   $0x1,0xc01ad7a4
Code: c01b2f0d <ethdev_init+d/7c> jle    c01b2f1d <ethdev_init+1d/7c>
Code: c01b2f0f <ethdev_init+f/7c> movl   0xc01ad7a0,%eax
Code: c01b2f14 <ethdev_init+14/7c> 

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