Punky,
Here's the console output from the crash...
----------console--------
voyage:~# ifup ath0
run-parts: /etc/network/if-pre-up.d/0_wpasupplicant exited with return
code 1
Unable to handle kernel NULL pointer dereference at virtual address 000002f0
printing eip:
c48c7e38
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: wlan_scan_ap uhci_hcd ohci_hcd ehci_hcd usbcore
sc1200 scx200
dm_mod scx200_acb lm77 i2c_core wd1100 ath_pci ath_rate_sample wlan
ath_hal hos
tap_pci hostap ieee80211_crypt natsemi crc32
CPU: 0
EIP: 0060:[<c48c7e38>] Tainted: P VLI
EFLAGS: 00010246 (2.6.15-486-voyage)
EIP is at ieee80211_add_xr_param+0xe9/0x15d [wlan]
eax: 00000000 ebx: c282a260 ecx: c31ee8af edx: c322a000
esi: c31ee8a5 edi: c31ee87f ebp: c31ee8a5 esp: c2fd3d50
ds: 007b es: 007b ss: 0068
Process ifconfig (pid: 1518, threadinfo=c2fd2000 task=c2fcfa50)
Stack: c322a1ad c282a260 c48bd08b c31ee8a5 c282a260 c322a1ad c3684260
c282a260
c325bf40 0000017f c282a260 c322a000 c48bd167 c322a000 c282a92c
c31ee828
c3684260 c31ee828 c11fa610 00000009 c322a000 c282a260 c487454f
c322a000
Call Trace:
[<c48bd08b>] ieee80211_beacon_init+0x317/0x33d [wlan]
[<c48bd167>] ieee80211_beacon_alloc+0xb6/0x179 [wlan]
[<c487454f>] ath_beacon_alloc+0x65/0x15f [ath_pci]
[<c48263da>] ath_rate_newstate+0x44/0x4a [ath_rate_sample]
[<c4879abc>] ath_newstate+0x2ec/0x5e0 [ath_pci]
[<c48ca619>] ieee80211_new_state+0x26/0x38 [wlan]
[<c48c3f8f>] ieee80211_sta_join1_tasklet+0x17/0x2c [wlan]
[<c011517f>] tasklet_action+0x34/0x53
[<c0114f5c>] __do_softirq+0x34/0x7d
[<c0114fc7>] do_softirq+0x22/0x26
[<c0115021>] local_bh_enable+0x56/0x6d
[<c48ca626>] ieee80211_new_state+0x33/0x38 [wlan]
[<c48ca2a1>] ieee80211_init+0xc2/0xcc [wlan]
[<c48ca2b6>] ieee80211_open+0xb/0xe [wlan]
[<c020a9c9>] dev_open+0x30/0x66
[<c020ba72>] dev_change_flags+0x4a/0xee
[<c0240ea5>] devinet_ioctl+0x266/0x4d7
[<c0242b14>] inet_ioctl+0x45/0x6c
[<c02032ff>] sock_ioctl+0x1bf/0x1ca
[<c0151038>] do_ioctl+0x28/0x66
[<c01512f3>] vfs_ioctl+0x17a/0x188
[<c015132c>] sys_ioctl+0x2b/0x47
[<c0102679>] syscall_call+0x7/0xb
Code: 00 88 01 8a 83 30 02 00 00 41 eb 7f 8b 93 f0 02 00 00 8b 82 77 01
00 00 89
01 66 8b 82 7b 01 00 00 66 89 41 04 8b 83 1c 06 00 00 <8b> 90 f0 02 00
00 8b 82
77 01 00 00 83 c1 06 89 01 66 8b 82 7b
<0>Kernel panic - not syncing: Fatal exception in interrupt
------------end console output-------------
System reboots after the kernel panic line above.
Hope this helps. I'm not a C programmer so can't help much with the
code. :-(
-e
Kim-man "Punky" TSE wrote:
Hi Edwin,
Tried you config and does exhibit your reboot problem. Do you see
kernel panic message in the serial console? If not, I think it is
probably relates to power issues. Check your PSU unit, or check your
WRAP board if it has 8 capacitors?
See this: http://madwifi.org/wiki/UserDocs/WRAP
- Punky
Edwin Whitelaw wrote:
WRAP2C with 0.2 voyage + apt-get upgrade using default sources.list
file. Tried SR5, CM9 and EMP8602 radios with identical results.
Also switched WRAP boards with no change.
If I run ifdown ath0 followed by ifup ath0 the system always reboots.
Anyone have any thoughts on why this is happening? I have other
boards that dont' exhibit this behavior.
Thx,
Edwin
-----------
voyage:~# cat /etc/network/interfaces
# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
# /usr/share/doc/ifupdown/examples for more information.
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
#iface eth0 inet static
# address 10.220.204.1
# netmask 255.255.255.0
# broadcast 10.220.204.255
auto ath0
iface ath0 inet static
address 10.220.4.1
netmask 255.255.255.0
broadcast 10.220.4.255
#pre-up wlanconfig ath create wlandev wifi0 wlanmode ap
madwifi-base wifi0
wireless-mode Master
wireless-essid crc-peak
wireless-channel 149
wireless-rate 24M
up iwconfig ath0 txpower 26db
down wlanconfig ath0 destroy
-----
Comment: using "wireless-txpower 26db" does *not* work while "up
iwconfig ath0 txpower 26db" does. ???
----------
voyage:~# ifdown ath0
run-parts: /etc/network/if-down.d/0_wpasupplicant exited with return
code 1
ath0: ERROR while getting interface flags: No such device
voyage:~# ifup ath0
run-parts: /etc/network/if-pre-up.d/0_wpasupplicant exited with
return code 1
.
.
system is rebooting at this point
.
.
login as: root
everything is back to normal.
--
<=+=+=+==+=+=+==+=+=+=+=+=+=+=+=>
Edwin Whitelaw, P.E.
New River Valley Unwired, LLC
2200 Lonesome Dove Dr
Christiansburg, VA 24073
540-239-0318
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