On Sun, Dec 05, 2010 at 09:34:46AM +0100, Bernhard Schmidt wrote:
On Sunday 05 December 2010 07:21:03 Steve Kargl wrote:
It seems some recent change (as in the last 7-10 days)
has caused an instability in wlan0. Just a small
excerpt from /var/log/messages,
Dec 4 18:54:16 laptop kernel: wlan0: link state changed to UP
Dec 4 19:11:16 laptop kernel: wlan0: link state changed to DOWN
Dec 4 19:11:16 laptop kernel: wlan0: link state changed to UP
Dec 4 19:19:46 laptop kernel: wlan0: link state changed to DOWN
Dec 4 19:19:46 laptop kernel: wlan0: link state changed to UP
Dec 4 19:37:01 laptop kernel: wlan0: link state changed to DOWN
Dec 4 19:37:01 laptop kernel: wlan0: link state changed to UP
Dec 4 19:45:31 laptop kernel: wlan0: link state changed to DOWN
Dec 4 19:45:31 laptop kernel: wlan0: link state changed to UP
Dec 4 19:54:01 laptop kernel: wlan0: link state changed to DOWN
Dec 4 19:54:01 laptop kernel: wlan0: link state changed to UP
Dec 4 20:11:16 laptop kernel: wlan0: link state changed to DOWN
Dec 4 20:11:16 laptop kernel: wlan0: link state changed to UP
Dec 4 20:19:46 laptop kernel: wlan0: link state changed to DOWN
Dec 4 20:19:46 laptop kernel: wlan0: link state changed to UP
Dec 4 20:36:46 laptop kernel: wlan0: link state changed to DOWN
Dec 4 20:36:46 laptop kernel: wlan0: link state changed to UP
Dec 4 20:45:16 laptop kernel: wlan0: link state changed to DOWN
Dec 4 20:45:16 laptop kernel: wlan0: link state changed to UP
Dec 4 20:53:46 laptop kernel: wlan0: link state changed to DOWN
Dec 4 20:53:46 laptop kernel: wlan0: link state changed to UP
So, every 18 minutes the devices is going DOWN/UP. :-/
More details please. Which driver?
wpi0.
How is that stuff configured?
laptop:root[204] ifconfig wpi0
wpi0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 2290
ether 00:1c:bf:90:ab:44
media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
status: associated
laptop:root[205] ifconfig wlan0
wlan0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500
ether 00:1c:bf:90:ab:44
inet 192.168.0.10 netmask 0xff00 broadcast 192.168.0.255
media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11g
status: associated
ssid SpartanTeepee channel 6 (2437 MHz 11g) bssid 00:18:e7:d4:f2:1b
country US authmode OPEN privacy ON deftxkey 1 wepkey 1:40-bit
txpower 0 bmiss 7 scanvalid 60 protmode CTS
wpa_supplicant involved?
No.
Try running it with debug messages enabled.
We need to figure out what entity is causing the device to go down/up, this
can either be wpa_supplicant or net80211 (or a cronjob calling ifconfig
down/up every 18 minutes ;). The appropriate debug options enabled (wlandebug
0x or wpa_supplicant with -dd) should reveal that.
laptop:root[209] wlandebug
wlandebug: sysctl-get(net.wlan.0.debug): No such file or directory
Looks like I need to rebuild the kernel.
--
Steve
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