[arch-general] [signoff] kernel26-2.6.38-1

Richard Schütz r.schtz at t-online.de
Sat Mar 19 12:19:19 EDT 2011

Am 19.03.2011 16:52, schrieb Richard Schütz:
> Am 19.03.2011 16:41, schrieb Jeff Cook:
>> On Sat, Mar 19, 2011 at 7:21 AM, Richard Schütz<r.schtz at t-online.de>
>> wrote:
>>>> On Sat, Mar 19, 2011 at 12:57 AM, Jeff Cook<jeff at deserettechnology.com>
>>>> wrote:
>>>>> Having issues here with ath9k, much slower than it was with 2.6.37.
>>>>> Found this bug re: Ubuntu on Launchpad, haven't checked the kernel
>>>>> tracker: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/735171
>>>> Looks like I'm also getting bit by this on another machine that uses
>>>> ath5k. Watching wireshark on two machines, almost all packets sent to
>>>> the ath5k card never make it with 2.6.38. I also tested with a
>>>> compat-wireless tarball from 2011-03-18 with the same results.
>>>> Reverting to 2.6.37 makes the issue go away. Definitely seems like an
>>>> unsafe upgrade at least for Atheros users.
>>> I can confirm that. When running 2.6.38 my downstream with ath9k is
>>> about 13
>>> times slower compared to
>>> --
>>> Regards,
>>> Richard Schütz
>> What kind of network are you using? A person in IRC suggested that
>> these issues might only exist on certain (relatively rare) networks,
>> like 802.11n or ad-hoc.
> It is a 802.11n network and they aren't that rare today. Every access
> point in my neighbourhood is using that standard. I'll try to reproduce
> the issue after switching my access point to 802.11g only.

The issue is actually only present in 802.11n mode. I noticed that the 
"Invalid misc" counter shown by iwconfig rises quickly.

Richard Schütz

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