[ubuntu] Wifi continually disconnecting

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http://ubuntuforums.org – The internet indicates that after the 12.04 upgrade, there is a bug involving the constant dropping of wifi signal by network manager. I am having this problem as well, where perhaps once an hour, the wifi suddenly drops off, and network manager searches again for the wifi connection. It will not connect again, unless I turn my modem off and back on, wherein it will either connect again, or ask for my password and connect again. I cannot see any 'fix' for this on the forum or on the internet. Does anyone have any information as to whether this bug was fixed, or if there are particular sett (Hardware)