I have a Intel Corporation Centrino Wireless-N 1000 (8086:0084) in a Thinkpad x220. In 11.04, I had good performance once I added "options iwlagn 11n_disable=1". With 11.10 i'm using the same configuration. The connection is stable, but the performance is noticeably worse.
For example, I'm currently scping a file to another host on the network at 1.2MB/s. Trying to do anything else at the same time is pretty painful. ~$ ping fw PING fw.lan (172.16.88.101) 56(84) bytes of data. 64 bytes from fw.lan (172.16.88.101): icmp_req=1 ttl=64 time=1009 ms 64 bytes from fw.lan (172.16.88.101): icmp_req=2 ttl=64 time=1173 ms 64 bytes from fw.lan (172.16.88.101): icmp_req=3 ttl=64 time=2277 ms 64 bytes from fw.lan (172.16.88.101): icmp_req=4 ttl=64 time=1669 ms 64 bytes from fw.lan (172.16.88.101): icmp_req=5 ttl=64 time=1927 ms ... --- fw.lan ping statistics --- 92 packets transmitted, 92 received, 0% packet loss, time 165346ms rtt min/avg/max/mdev = 411.023/1158.280/2958.334/407.009 ms, pipe 3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/836250 Title: [Oneiric] Intel Corporation Centrino Ultimate-N 6300 poor networking, packet loss and very slow Lenovo X201 and T500 laptops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/836250/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
