I'm seeing this problem on Debian, Kernel 2.6.18, Core Duo, ipw3945 (Dell 640m).
The tuxyturvy link seems to have many details.
In the 2.6.20 changelog there are some changesets that seem to be
relevant.
commit 4d1feabcbf41f875447a392015acd0796f57baf6
Author: Ulrich Kunitz <[EMAIL PROTECTED]>
Date: Sun Dec 10 11:13:12 2006 -0800
[PATCH] zd1211rw: Call ieee80211_rx in tasklet
The driver called ieee80211_rx in hardware interrupt context. This has
been against the intention of the ieee80211_rx function. It caused a bug
in the crypto routines used by WPA. This patch calls ieee80211_rx in a
tasklet.
Signed-off-by: Ulrich Kunitz <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
That changeset could maybe be fixing this. I havn't investigated it
further. I'll compile 2.6.20 myself and see if that fixes the wireless
stability again.
--
WLAN disconnects repeatedly from AP when using WPA on a SMP machine
https://launchpad.net/bugs/56894
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