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This is being a nagging problem since early releases. wireless connection never succeeds when laptop is taken in a lab environment where 100+ SSIDs are being beacon'd all the time.

The scan from the command "sudo iwlist wlan0 scan" gives "scan failed; argument list is long"

even on 11.10, the above problem is observed

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I suggest filing a bug report.This might be a bug with a variable bounding overflog.Can you check if the problem also persists in other distribution (e.g. Fedora, Suse, Mandriva)? – Michael K Jan 5 '12 at 9:30
This is across distributions, I guess? But, I have being using mostly ubuntu installations. – Srivatsa Kanchi Jan 6 '12 at 6:31
You can just file the bug report on the ubuntu launchpad.They will help to diagnose the problem and if it is really a bug they will assign the correct persons to it or forward it to the developers of the malfunctioning software. – Michael K Jan 6 '12 at 10:28

closed as too localized by Jorge Castro, Takkat, htorque, Bruno Pereira♦, jrg♦ Feb 4 '12 at 1:01

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