Hi Guys,
I recently bought a TS7400 as part of a final year project. I have
been working with the 7300 for the past 6 months with relatively few
problems, but decided to switch to the 7400 because I needed AC'97.
At the moment I'm trying to get the 7400 to the same state I had the
7300 in, which was using WiFi and Bluetooth USB dongles.
The problem I'm experiencing is that when I go to load the open_eth
module for use with wireless, I get a seg fault (something I didn't
experience with the 7300 modules), dmesg gives the following:
eth1: Open Ethernet Core Version 1.0
Unable to handle kernel paging request at virtual address 000e0080
pgd = c12fc000
[000e0080] *pgd=050cc001, *pmd = 050cc001, *pte = 00000000, *ppte =
00000000
Internal error: Oops: 7
CPU: 0
pc : [<c0340b20>] lr : [<c02f36ec>] Not tainted
sp : c0543e48 ip : 00000001 fp : c0543e6c
r10: 000e0025 r9 : 00000010 r8 : 00000007
r7 : 00000060 r6 : 0000005c r5 : c55b40b8 r4 : c55b4058
r3 : 000000b8 r2 : 00000058 r1 : 000e0080 r0 : c55b40b8
Flags: nzCv IRQs on FIQs on Mode SVC_32 Segment user
Control: C000317F Table: 012FC000 DAC: 00000015
Process insmod (pid: 381, stack limit = 0xc0542368)
Stack: (0xc0543e48 to 0xc0544000)
3e40: c55b4058 c55b40b8 0000005c 00000060 00000007
00000010
3e60: c47b3c40 c0543e70 c02f36ec c0340830 00000f60 00000000 c5198080
c608bff4
3e80: 00000f14 c55b4000 00000000 00000020 c02f3bf0 000005dc 000322b8
c0252c48
3ea0: c608bff4 00000010 c5198080 ffffffff 00000000 c0542000 000322b8
c02f3dcc
3ec0: 00000000 ffffffff c0378770 c608bff4 00000005 00000060 ffffffea
c02f4128
3ee0: c0243808 00000000 c608bff4 c0375598 c02edec0 00000001 c608bff4
c45c7000
3f00: c02d47d8 00000000 c608b000 c608bd58 c023a530 00000008 c45c7000
c119a000
3f20: c6081000 00000060 c6087000 c608b060 00001238 00000000 00000000
00000000
3f40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
3f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
3f80: 00000000 00000000 0002dcb0 00020808 00000080 c022c704 c0542000
00000000
3fa0: 00000000 c022c560 00000000 c022c4fc 000212e0 000322b8 2abec128
00000000
3fc0: 00000000 0002dcb0 00020808 c608b000 00001238 00000000 00000000
000212e0
3fe0: 2ab96960 7fffcf94 0000b99c 2ab9696c 60000010 000212e0 3fffffff
ffffffff
Backtrace:
Function entered at [<c0340820>] from [<c02f36ec>]
r9 = 00000010 r8 = 00000007 r7 = 00000060 r6 = 0000005C
r5 = C55B40B8 r4 = C55B4058
Backtrace aborted due to bad frame pointer <c47b3c40>
Code: baffffec e211c003 0affffd2 e3c11003 (e4913000)
also, lsmod reports:
:net# lsmod
Module Size Used by Not tainted
open_eth 4664 1 (initializing)
Frustratingly, even rmmod refuses to work:
:net# rmmod open_eth
open_eth: Device or resource busy
I've tried using the working modules from the 7300, but they also
segfault on this board, and I've tried it with the USB stick plugged
in and removed. Further, I've reverted back to the original 256MB SD
image size (I'm using a GB card), redownloaded all the tarballs, and
created a fresh install using TS Logic's howto, but the module STILL
segfaults.
Anyone else experienced this?
Thanks for any help or pointers,
Matt
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