I have this issue. iwlwifi on an Ubuntu 12.04 system.
# lspci -v -s 03:00.0 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34) Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN Flags: bus master, fast devsel, latency 0, IRQ 46 Memory at f2400000 (64-bit, non-prefetchable) [size=8K] Capabilities: [c8] Power Management version 3 Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [e0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number [...] Kernel driver in use: iwlwifi Kernel modules: iwlwifi # iwlist wlan0 rate wlan0 unknown bit-rate information. Current Bit Rate:1 Mb/s ** Summary changed: - Wireless Bit Rate Incorrectly Defaults to 1Mb/s + Wireless bit rate incorrectly defaults to 1Mb/s ** Package changed: network-manager (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/519135 Title: Wireless bit rate incorrectly defaults to 1Mb/s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/519135/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs