Comment 20 for bug 651008

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Sebastian Thürrschmidt (thuerrschmidt) wrote : Re: Regression in wireless performance under Maverick when on battery power (broadcom)

Editing /usr/lib/pm-utils/power.d/wireless as described in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/651008/comments/9 did indeed fix this permanently on my MacBook 4,1 with a Broadcom Corporation BCM4321 802.11a/b/g/n (rev 03) controller. WLAN throughput is now at normal levels (around 7 to 8 Mbit/s effective at 54 Mb/s nominal) even on battery power.