Re: wireless LAN problems with recent kernels
On Friday 01 August 2008 21:26, Ansgar Burchardt wrote:
> I'm using a RaLink RT2500 (PCI) wireless NIC. It works without problems
> with a 18.104.22.168 kernel and the rt2500 drivers.
> I did try to update to the Debian 2.6.25 kernel, but there the WLAN
> connection makes problems: Sometimes the connection just drops.
> dmesg shows this message:
> wlan0: No ProbeResp from current AP 00:13:49:d7:ab:7c
> - assume out of range
> The connection is not reestablished automatically, only when I run e.g.
> `iwconfig wlan0 essid MyESSID'. This reconnection also fails sometimes
> with the following message showing up in dmesg:
> wlan0: authentication with AP 00:13:49:d7:ab:7c timed out
> I admit having sometimes connection problems running the older kernel as
> well, but the network works again after a few moments (and without any
> manual intervention). The link quality given by iwconfig is around
> 50/100, though it sometimes goes down to 30. Anyway the situation is
> much worse with the newer kernel version.
Perhaps it could be this issue?
> A forum post  suggested increasing IEEE80211_MONITORING_INTERVAL in the
> kernel sources, but this didn't help much: The messages do no longer
> appear, but the connection is still flaky.
>  http://rt2x00.serialmonkey.com/phpBB/viewtopic.php?f=5&t=2081&p=29255
> PGP: 1024D/595FAD19 739E 2D09 0969 BEA9 9797 B055 DDB0 2FF7 595F AD19
Shachar Or | שחר אור