Public bug reported:
I suspect this is a kernel regression at 2.6.35-xx. Never had a problem
with Ubuntu 10.04.
Linux [myhostname] 2.6.35-22-generic #33-Ubuntu SMP Sun Sep 19 20:34:50
UTC 2010 i686 GNU/Linux
02:00.0 Network controller [0280]: Broadcom Corporation BCM4318
[AirForce One 54g] 802.11g Wireless LAN Controller [14e4:4318] (rev 02)
Wireless disconnects whenever sustained data throughput is requested.
So web browsing generally works, but any kind of download greater than
2-3 MB causes the connection to drop. Issuing" ifconfig wlan0 down;
ifconfig wlan0 up" restores connectivity, but only for another 2-3 MB of
download.
I have tried building and installing both the stable and linux-next
modules at linux-wireless.org.. These modules do not solve the problem
- no better, no worse.
dmesg after disconnect:
[11875.508061] No probe response from AP 00:1f:b3:68:66:a1 after 500ms,
disconnecting.
[11875.509397] cfg80211: All devices are disconnected, going to restore
regulatory settings
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: bcmwl-kernel-source (not installed)
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Sun Sep 26 11:36:19 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta i386 (20100901.1)
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: bcmwl
** Affects: bcmwl (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick
--
Broadcom 4318 wireless connection drops frequently
https://bugs.launchpad.net/bugs/648331
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