[Madwifi-users] ath_hal_attach segfaults on IXDP425

[Lie, M. <mar...@wr...>]

Hello,

I am experiencing some troubles when insmod'ing ath_pci on my Intel IXDP425
board. I am running Snapgear 3.1.1 and Atheros 5212 running on a miniPCI
board and loading segfaults like this:

# insmod wlan
Using /lib/modules/2.4.24-uc0/kernel/drivers/net/wlan.o
wlan: 0.7.3.1 BETA
# insmod ath_hal
Using /lib/modules/2.4.24-uc0/kernel/drivers/net/ath_hal.o
Warning: loading ath_hal will taint the kernel: non-GPL license -
Proprietary
  See http://www.tux.org/lkml/#export-tainted for information about tainted
modules
ath_hal: 0.9.8.6
# insmod ath_pci
Using /lib/modules/2.4.24-uc0/kernel/drivers/net/ath_pci.o
ath_pci: 0.8.5.5 BETA
ath_pci: 0.8.5.5 BETA
ath_pci: cache line size not set; forcing 8
mfl: i am here if_ath.c:189
Unable to handle kernel paging request at virtual address 4bff000c
pgd = c0e34000
[4bff000c] *pgd=00000000, *pmd = 00000000
Internal error: Oops: f5
CPU: 0
pc : [<c2893ca4>]    lr : [<c2893984>]    Tainted: P
sp : c0e4fdbc  ip : c0e4fde0  fp : c0e4fddc
r10: c0286000  r9 : c0e4fe4c  r8 : 4bff0000
r7 : 00000000  r6 : c0286000  r5 : 00000000  r4 : 00000013
r3 : 00000013  r2 : 00000002  r1 : 00000013  r0 : 4bff0000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  Segment user
Control: 39FF  Table: 00E34000  DAC: 00000015
Process insmod (pid: 22, stack limit = 0xc0e4e368)
Stack: (0xc0e4fdbc to 0xc0e50000)
fda0:
00000013
fdc0: 00000000 c0286000 00000000 c0286000 c0e4fdf8 c0e4fde0 c2893984
c2893c84
fde0: 00000013 c0e3d000 c0286000 c0e4fe30 c0e4fdfc c288f678 c2893974
00000cf1
fe00: c0051758 00000d0d 00000000 c0e3d000 c0e3d000 00000013 ffffffea
c0e4e000
fe20: c28abdfc c0e4fe44 c0e4fe34 c287f4d8 c288f5b4 c0e4fe4c c0230de0
c0e4fe48
fe40: c287f07c c287f434 c0e4fe4c 000000bd c28a528c c0e4fe64 000001f0
c0230de0
fe60: c006b064 00000cc2 00000000 c01c66a8 000001f0 4bff0000 ffffffea
c0e4e000
fe80: 00000000 c01c66a8 c0230ba0 00000000 0000001c c28a5808 c0e3d000
c0277000
fea0: 4bff0000 4bff0000 ffffffea c0e4e000 c28abdfc c0230de0 c28aa870
c0e3d000
fec0: 60000008 c28abdfc c28abe8c 00000000 c0277000 ffffffea 00072ef0
c00f8cd4
fee0: c0277000 c28abe8c 00000000 c019b0b4 c00f8d40 c28ac258 c28a5000
c0d77000
ff00: 00000060 c28aaa08 c28a5080 c28ac258 c0052a2c 00000007 c0d77000
c0e3d000
ff20: c28ae000 00000060 c287f000 c28a5060 000072d0 00000000 00000000
00000000
ff40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
ff60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
ff80: 00000000 00052848 00052848 00048750 00000080 c00455c4 c0e4e000
000072d0
ffa0: 00000000 c0045400 00052848 c004537c bfffedb4 00072ef0 00000000
00000060
ffc0: 00052848 00052848 00048750 c28a5000 bfffedb4 00000002 000072d0
00044464
ffe0: 400db6b0 bfffbbfc 000162b0 400db6bc 60000010 bfffedb4 ffffffff
ffffffff
Backtrace:
Function entered at [<c2893c78>] from [<c2893984>]
 r6 = C0286000  r5 = 00000000  r4 = C0286000
Function entered at [<c2893968>] from [<c288f678>]
 r6 = C0286000  r5 = C0E3D000  r4 = 00000013
Function entered at [<c288f5a8>] from [<c287f4d8>]
Function entered at [<c287f428>] from [<c287f07c>]
Backtrace aborted due to bad frame pointer <c0230de0>
Code: 11a03001 03e03000 e50b3020 e5900014 (e590300c)
Segmentation fault
#

It seems that a call to ath_hal_attach() in if_ath.c is the showstopper. I
have tried all available versions of the xscale-be-elf with the same result.
I have also tried a different miniPCI-card with the same chipset, but with
no luck.

Does anyone have some suggestions on how I could resolve this?


- Martin