--- On Fri, 8/1/08, Ansgar Burchardt <[EMAIL PROTECTED]> wrote:
> From: Ansgar Burchardt <[EMAIL PROTECTED]>
> Subject: wireless LAN problems with recent kernels
> To: debian-user@lists.debian.org
> Date: Friday, August 1, 2008, 11:26 AM
> Hi,
>
> I'm using a RaLink RT2500 (PCI) wireless NIC. It works
> without problems
> with a 2.6.20.1 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.
>
> A forum post [1] 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.
>
> Regards,
> Ansgar
>
> [1]
> http://rt2x00.serialmonkey.com/phpBB/viewtopic.php?f=5&t=2081&p=29255
>
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I'm using the same wireless card and not having any problems with the 2.6.25
kernel. Are you using the legacy drivers or the ones in the kernel? (kernels
2.6.24 and newer have the beta drivers in that really aren't very good yet)
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