Public bug reported:
Binary package hint: linux-image-2.6.27-7-generic
(The 3 previous attempts at bug reporting ate my text. Why not allow
reporting by mail like Debian?)
1. Serious performance problems
Over 11b, I get 30-80 kB/s with wget, and simultaneously pinging the gateway
shows ~5000 ms latencies.
The same network (ssid) is also available over 11a (5 GHz), which should be
preferred for performance reasons (even if 11b was working properly), but the
11b one is always preferred by the automatic selection.
2. Manual AP selection fails
If I use iwconfig to manually associate to the 11a AP, it's forgotten
automatically after a couple of minutes. I now
have this running in an xterm:
# while sleep 2; do if iwconfig wlan0 | grep -q 00:0C:85:B9:86:5C; then :; else
date; iwconfig wlan0 channel 48 ap 00:0C:85:B9:86:5C; fi; done
Tue Nov 18 17:02:15 EET 2008
Tue Nov 18 17:04:16 EET 2008
Tue Nov 18 17:06:17 EET 2008
3. I had warnings with stack traces in dmesg, and a crash - dead X, blinking
caps lock light. Those may have stopped
after I installed linux-backports-modules-2.6.27-7-generic a few minutes ago.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Intel wireless (iwlagn) poor performance, bugs, crash on ThinkPad X200s
https://bugs.launchpad.net/bugs/299468
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