hey ben,
here is a list of actions i've done just now to get the previously
mentioned stack trace:
==============================================
1. restart box
2. uname -a Linux sknwireless 2.6.32-22-generic #33-Ubuntu SMP Wed Apr
28 13:27:30 UTC 2010 i586 GNU/Linux
3.lsmod:
Module Size Used by
ipt_REDIRECT 917 3
ipt_MASQUERADE 1407 3
xt_state 1098 6
xt_tcpudp 2011 33
iptable_filter 2271 1
nf_nat_ftp 1836 0
iptable_nat 4414 1
ip_tables 9991 2 iptable_filter,iptable_nat
nf_nat 15735 4
ipt_REDIRECT,ipt_MASQUERADE,nf_nat_ftp,iptable_nat
x_tables 14299 6
ipt_REDIRECT,ipt_MASQUERADE,xt_state,xt_tcpudp,iptable_nat,ip_tables
nf_conntrack_ftp 5381 1 nf_nat_ftp
nf_conntrack_ipv4 10672 9 iptable_nat,nf_nat
nf_conntrack 61583 7
ipt_MASQUERADE,xt_state,nf_nat_ftp,iptable_nat,nf_nat,nf_conntrack_ftp,nf_conntrack_ipv4
nf_defrag_ipv4 1073 1 nf_conntrack_ipv4
arc4 1153 2
aes_i586 7268 0
ath5k 118956 0
aes_generic 26863 1 aes_i586
mac80211 206808 1 ath5k
ath 7611 1 ath5k
leds_alix2 1470 0
geode_aes 4558 0
cs5535_gpio 2571 0
cfg80211 125477 3 ath5k,mac80211,ath
geode_rng 1011 0
led_class 2864 2 ath5k,leds_alix2
pata_cs5536 3224 0
pata_amd 8766 1
via_rhine 19154 0
mii 4381 1 via_rhine
4. rmmod ath5k
5. modprobe ath5k nohwcrypt=1
6. syslog shows no stack trace
7. iw dev wlan0 interface add sta0 type station
8. ifconfig sta0
sta0 Link encap:Ethernet HWaddr 00:0b:6b:22:5b:cd
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
9. iwconfig sta0
sta0 IEEE 802.11abg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
10. no syslog stacktrace
11. iw dev wlan0 interface add vap0 type __ap
12. ifconfig vap0
vap0 Link encap:Ethernet HWaddr 00:0b:6b:22:5b:cd
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
13. iwconfig vap0
vap0 IEEE 802.11abg Mode:Master Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
14. no syslog stacktrace
15. iw dev wlan0 interface add vap1 type __ap
16. ifconfig vap1
vap1 Link encap:Ethernet HWaddr 00:0b:6b:22:5b:cd
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
17. iwconfig vap1
vap1 IEEE 802.11abg Mode:Master Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
18. no syslog stacktrace
19. ifconfig vap0 172.16.40.1 up
SIOCSIFFLAGS: Name not unique on network
SIOCSIFFLAGS: Name not unique on network
20. no syslog stacktrace
21 ifconfig vap1 172.16.40.1 up
SIOCSIFFLAGS: Name not unique on network
SIOCSIFFLAGS: Name not unique on network
22. no syslog stacktrace
23. macchanger vap0
Current MAC: 00:0b:6b:22:5b:cd (Wistron Neweb Corp.)
Faked MAC: 00:0b:6b:22:5b:ce (Wistron Neweb Corp.)
24. no syslog stacktrace
25. macchanger vap1
Current MAC: 00:0b:6b:22:5b:cd (Wistron Neweb Corp.)
Faked MAC: 00:0b:6b:22:5b:ce (Wistron Neweb Corp.)
26. no syslog stacktrace
27. ifconfig vap0 172.168.40.1 up
28. syslog stacktrace:
Aug 3 10:04:03 sknwireless kernel: [ 908.740408] ------------[ cut
here ]------------
Aug 3 10:04:03 sknwireless kernel: [ 908.740479] WARNING: at
/home/skn/wireless/compat-wireless-2.6.32.15/drivers/net/wireless/ath/ath5k/base.c:3221
ath5k_bss_info_changed+0x1a6/0x1b0 [ath5k]()
Aug 3 10:04:03 sknwireless kernel: [ 908.740508] Modules linked in:
ipt_REDIRECT ipt_MASQUERADE xt_state xt_tcpudp iptable_filter
nf_nat_ftp iptable_nat ip_tables nf_nat x_tables nf_conntrack_ftp
nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 arc4 aes_i586 ath5k
aes_generic mac80211 ath leds_alix2 geode_aes cs5535_gpio cfg80211
geode_rng led_class pata_cs5536 pata_amd via_rhine mii
Aug 3 10:04:03 sknwireless kernel: [ 908.740683] Pid: 3711, comm:
ifconfig Not tainted 2.6.32-22-generic #33-Ubuntu
Aug 3 10:04:03 sknwireless kernel: [ 908.740701] Call Trace:
Aug 3 10:04:03 sknwireless kernel: [ 908.740739] [<c014c3d2>]
warn_slowpath_common+0x72/0xa0
Aug 3 10:04:03 sknwireless kernel: [ 908.740785] [<d09d6406>] ?
ath5k_bss_info_changed+0x1a6/0x1b0 [ath5k]
Aug 3 10:04:03 sknwireless kernel: [ 908.740829] [<d09d6406>] ?
ath5k_bss_info_changed+0x1a6/0x1b0 [ath5k]
Aug 3 10:04:03 sknwireless kernel: [ 908.740861] [<c014c41a>]
warn_slowpath_null+0x1a/0x20
Aug 3 10:04:03 sknwireless kernel: [ 908.740904] [<d09d6406>]
ath5k_bss_info_changed+0x1a6/0x1b0 [ath5k]
Aug 3 10:04:03 sknwireless kernel: [ 908.741012] [<d0946bda>]
ieee80211_bss_info_change_notify+0x9a/0x1b0 [mac80211]
Aug 3 10:04:03 sknwireless kernel: [ 908.741058] [<d09d6260>] ?
ath5k_bss_info_changed+0x0/0x1b0 [ath5k]
Aug 3 10:04:03 sknwireless kernel: [ 908.741134] [<d0951d58>]
ieee80211_open+0x2a8/0x7d0 [mac80211]
Aug 3 10:04:03 sknwireless kernel: [ 908.741238] [<c04c3ec2>]
dev_open+0x92/0xf0
Aug 3 10:04:03 sknwireless kernel: [ 908.741268] [<c058b866>] ?
_spin_unlock_bh+0x16/0x20
Aug 3 10:04:03 sknwireless kernel: [ 908.741296] [<c04c1a2f>] ?
dev_set_rx_mode+0x2f/0x40
Aug 3 10:04:03 sknwireless kernel: [ 908.741325] [<c04c3739>]
dev_change_flags+0x139/0x1b0
Aug 3 10:04:03 sknwireless kernel: [ 908.741360] [<c0515f0a>]
devinet_ioctl+0x54a/0x5a0
Aug 3 10:04:03 sknwireless kernel: [ 908.741389] [<c04c512f>] ?
dev_ioctl+0x2af/0x720
Aug 3 10:04:03 sknwireless kernel: [ 908.741422] [<c0517065>]
inet_ioctl+0x95/0xb0
Aug 3 10:04:03 sknwireless kernel: [ 908.741450] [<c04b237d>]
sock_ioctl+0x6d/0x270
Aug 3 10:04:03 sknwireless kernel: [ 908.741475] [<c04b2310>] ?
sock_ioctl+0x0/0x270
Aug 3 10:04:03 sknwireless kernel: [ 908.741501] [<c0216231>]
vfs_ioctl+0x21/0x90
Aug 3 10:04:03 sknwireless kernel: [ 908.741526] [<c058955c>] ?
schedule+0x44c/0x840
Aug 3 10:04:03 sknwireless kernel: [ 908.741553] [<c0216519>]
do_vfs_ioctl+0x79/0x310
Aug 3 10:04:03 sknwireless kernel: [ 908.741578] [<c0216817>]
sys_ioctl+0x67/0x80
Aug 3 10:04:03 sknwireless kernel: [ 908.741607] [<c01033ec>]
syscall_call+0x7/0xb
Aug 3 10:04:03 sknwireless kernel: [ 908.741628] ---[ end trace
c6a7c8dea11614de ]---
Aug 3 10:04:13 sknwireless kernel: [ 919.169554] vap0: no IPv6 routers present
29. ifconfig vap1 172.168.40.1 up
SIOCSIFFLAGS: Name not unique on network
SIOCSIFFLAGS: Name not unique on network
30. macchanger vap1
Current MAC: 00:0b:6b:22:5b:ce (Wistron Neweb Corp.)
Faked MAC: 00:0b:6b:22:5b:cf (Wistron Neweb Corp.)
31. ifconfig vap1 172.168.40.1 up
32. no additional stack trace in syslog
==============================================
i'm doing this remote right now and dont have access to a wireless
client to attempt to get a lease (after running hostapd of course).
is this information relevant/useful to you? is there anything else
you'd like me to do?
regs
R
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