[Voyage-linux] Atheros in wds mode - kernel panic

[Kim-man "Punky" TSE]

Hi Keith,

read the /etc/networks/interfaces and there is a example in running wds
mode for madwifi.

The kernel panic is an issue with madwifi driver which should be
reported to madwifi.org.

Regards,
Punky


Keith Cheung wrote:
> Hi all,
> I configure the Atheros to wds mode on WRAP which runs Voyage-0.2 with
> madwifi-ng modules r1491. The system will reboot by itself with the
> following sequence:
> - wlanconfig ath0 create wlandev wifi1 wlanmode wds
> - ifconfig ath0 up
> - iwconfig ath0 key 1212121212
> The console outputs as follows:
> unexpected operating mode 2------------[ cut here ]------------
> kernel BUG at <bad filename>:23128!
> invalid operand: 0000 [#1]
> PREEMPT
> Modules linked in: bridge arc4 ieee80211_crypt_wep wlan_wep
> wlan_scan_ap uhci_hcd ohci_hcd ehci_hcd usbcore sc1200 scx200 ath_pci
> ath_rate_sample wlan ath_hal dm_mod scx200_acb lm77 i2c_core wd1100
> hostap_pci hostap ieee80211_crypt natsemi crc32
> CPU: 0
> EIP: 0060:[<c88e0b44>] Tainted: P VLI
> EFLAGS: 00010282 (2.6.15-486-voyage)
> EIP is at ieee80211_node_leave+0x62/0x196 [wlan]
> eax: 0000001e ebx: c71b8000 ecx: c7133da4 edx: c88f29b9
> esi: c71b8000 edi: c7e9e260 ebp: c7fb2260 esp: c7133da0
> ds: 007b es: 007b ss: 0068
> Process iwconfig (pid: 1688, threadinfo=c7132000 task=c1255580)
> Stack: c88f29b9 00000002 c73b0000 c7fb2bdc c71b8000 0000000b c7fb2bdc
> c7e9e260
> c88e0374 c71b8000 c71b8000 c88e559e c7fb2260 c7175000 c7e9e260 00000004
> c88e583c c7fb2bdc c88e559e c7e9e260 c73b0000 00000000 c7133e08 c7e9e47c
> Call Trace:
> [<c88e0374>] ieee80211_iterate_nodes+0x6c/0xa1 [wlan]
> [<c88e559e>] sta_disassoc+0x0/0x34 [wlan]
> [<c88e583c>] __ieee80211_newstate+0x211/0x646 [wlan]
> [<c88e559e>] sta_disassoc+0x0/0x34 [wlan]
> [<c88e5dfc>] ieee80211_newstate+0x18b/0x195 [wlan]
> [<c8894cc8>] ath_newstate+0x4f8/0x5e0 [ath_pci]
> [<c88e5619>] ieee80211_new_state+0x26/0x38 [wlan]
> [<c88e7373>] ieee80211_ioctl_siwencode+0x221/0x260 [wlan]
> [<c0214afe>] wireless_process_ioctl+0x31c/0x62f
> [<c012a5e1>] filemap_nopage+0xb7/0x2b4
> [<c88e7152>] ieee80211_ioctl_siwencode+0x0/0x260 [wlan]
> [<c020c12b>] dev_ioctl+0x26c/0x29f
> [<c0203171>] sock_ioctl+0x31/0x1ca
> [<c0151038>] do_ioctl+0x28/0x66
> [<c01512f3>] vfs_ioctl+0x17a/0x188
> [<c015132c>] sys_ioctl+0x2b/0x47
> [<c0102679>] syscall_call+0x7/0xb
> Code: 00 00 50 57 e8 94 d5 ff ff 83 c4 14 8b 87 34 02 00 00 83 f8 06
> 74 18 85 c0 74 14 83 f8 03 74 0f 50 68 b9 29 8f c8 e8 b5 09 83 f7 <0f>
> 0b 58 5a 66 83 7e 2c 00 0f 84 c8 00 00 00 8b 87 14 06 00 00
> <0>Kernel panic - not syncing: Fatal exception in interrupt
> <6>wifi0: SW TICK stuck? bits=0x0 EvStat=8001 IntEn=e018
> FYI : The problem doesn't happen in master or managed mode.
> Any idea how to fix it.
> Many Thanks.
> Keith
>
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-- 
Regards,
Punky
P U N K N ! X . c o m
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