Well I've found my solution for this. Just got new wireless card, Intel 5100, for $10 on eBay. Speed up and down with new card is 20Mbps, just like on Windows. Even with older kernel 2.6.32 I only got 12Mbps max on Intel 3945. I'm glad to see the back of this bug.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/621265 Title: Slow Wireless Connection in Intel 3945abg -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs