ndiswrapper and ssb conflict
After I finally got my wireless to work, I realized that it was all useless since after restarting my laptop nothing worked. The fact is that I blacklisted ssb from loading in /etc/modprobe.d/blacklist, but it was loading anyways. As I found out later here this is a kernel option, which makes ssb load every time no matter whether it is blacklisted or not, because of ohci_hcd module. I decided that I did not want to spend time on rebuilding a newer kernel, which actually did not give any guarantees about the issue proper work. Instead, as suggested in the link above, I put the following into /etc/rc.local:
rmmod ssb
rmmod ndiswrapper
modprobe ndiswrapper
modprobe ssb
The whole problem was that ndiswrapper needs to be loaded before ssb. So this solved my problem, not affecting my laptop’s performance.
It is said that the problem has been fixed in newer kernels. But it still does the same thing with ssb and ohci_hcd.
This is how I solved on my laptop:
http://nxadm.wordpress.com/2008/05/21/broadcom-wifi-bcm4312-speedup-on-ubuntu-804-on-a-hp-nc6320-laptop/
Before being bothered with ndiswrapper I tried the new kernel in ubuntu-proposed, but it did not work…