All, Please disregard this post, the issue was /etc/modprobe.d/iwlwifi.conf This and /etc/modprobe.d/iwlwifi.conf both contained conflicting 11n_disable lines, apparently iwlwifi.conf takes precedence, HT was in fact, disabled. grep . /sys/module/iwlwifi/parameters/* /sys/module/iwlwifi/parameters/11n_disable:1 Apologies for missing this. On 05/01/2013 12:38 PM, Shawn Adams wrote: > Hello, > > I'm new to the list, and have one question, apologies if this not > appropriate for this list. > > > I have recently updated a Lenovo T410s to opensuse 12.3, and noted that the > PC will no longer connect HT to anything. > > It connects fine at both 802.11a and 802.11g, but never with HT. > > throughout is ~30Mbps, both AP and card list the connection at 54Mbps > > > This worked before the update from opensuse 12.2 and the older > kernel/iwlwifi driver, using > 5Ghz HT at throughput at 90Mbps > > > I see these messages in the debug, regardless of which band or channel > is used: > > > 2013-04-30T21:33:02.853629+02:00 lamda kernel: [ 6355.226711] iwlwifi > 0000:03:00.0: I is_lq_table_valid Channel 48 is not an HT channel > > > This event occurs in 802.11g and 802.11a bands, and on a variety of APs, > channels. > > At the same moment a number of different clients are happily using HT on > the same channel and AP. > > > I read through some of the related patch, but not being a coder, was not > able to answer tihs question: > > What is the driver detecting that tells it this is not an HT channel ? > > > hints very much appreciated. > > Best regards, > > > > > > > Background info: > > Linux lamda 3.7.10-1.1-default #1 SMP Thu Feb 28 15:06:29 UTC 2013 > (82d3f21) i686 i686 i386 GNU/Linux > > > 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 > (rev 35) > Subsystem: Intel Corporation Centrino Advanced-N 6200 2x2 AGN > Flags: bus master, fast devsel, latency 0, IRQ 44 > 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 58-94-6b-ff-ff-57-31-cc > Kernel driver in use: iwlwifi > > > Connected to d8:c7:c8:9e:dd:09 (on wlan0) > SSID: priv_cert > freq: 5240 > RX: 13154608 bytes (28155 packets) > TX: 1411780 bytes (6962 packets) > signal: -57 dBm > tx bitrate: 54.0 MBit/s > > bss flags: short-slot-time > dtim period: 0 > beacon int: 100 > > > > -- Shawn Adams ACMA,ACMP,CPPA Principle Network Engineer, Customer Advocacy Tel: +49 151 1265 4997 Email: sadams@xxxxxxxxxxxxxxxxx <mailto:sadams@xxxxxxxxxxxxxxxxx> *AIRHEADS SOCIAL* Wireless Network Headaches? Find Your Cure. community.arubanetworks.com <http://community.arubanetworks.com/> -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
