[ubuntu] Wireless connection drops often

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http://ubuntuforums.org – Hi all, I'm using Karmic 64 on an HP-6930p laptop (Intel WiFi Link 5300), my wlan connection often drops when transmission is running for approx 5 hours with no other internet activity, it never happens while I'm surfing and such... To clarify - connection gets lost, ubuntu is trying to reconnect to said network (signal is up) but fails due to faulty authorization... A logout\restart resolves the issue. I've attached relevant (I think, never seen it happen live) syslog messages...would really appreciate some help... Attached Files net-syslog.txt (2.0 KB) (HowTos)