Comment 85 for bug 291760

I am experiencing similar issues on a non ath5k driver. My chipset is
Intersil ISL3890/3886.

Network Manager roams to (none)(none) every 2 minutes or so, disrupting
downloads in progress.
Also, on "busy" networks, system becomes very sluggish. Feels like the
network driver is interrupting everything to deal with the traffic. Long
ping times occur, and packet loss too.

$ uname -ros
Linux 2.6.28-13-generic GNU/Linux

$ lspci
00:06.0 Network controller: Intersil Corporation ISL3890 [Prism GT/Prism
Duette]/ISL3886 [Prism Javelin/Prism Xbow] (rev 01)

$ dmesg
[ 52.214232] p54pci 0000:00:06.0: firmware: requesting isl3886

$ lsmod
p54pci 17280 0
p54common 23680 1 p54pci
mac80211 217464 2 p54pci,p54common