From authors website (http://ipw2100.sourceforge.net/): "NOTE: Firmware was upgraded with this release. You can obtain the latest firmware from http://ipw2100.sf.net/firmware.php. . . Updated firmware to 1.2 with a potential fix for firmware restarts in areas of heavy RF interference" Reproducible: Always Steps to Reproduce: 1. 2. 3.
I can report success with copying over the 0.49 ebuild to 0.50 with a change to FW_VERSION from 1.1 to 1.2. Also, the 1.2 firmware will need to be pushed out to gentoo mirrors as happened with the previous firmwares due to the license agreement acceptance required to download the firmware package (I downloaded 1.2 myself to test the new version). The 1.2 firmware license agreement/download is here: http://ipw2100.sourceforge.net/firmware.php?fid=3
Done.