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Re: Slow wifi connection AR9287 with ath9k 3.x kernel

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On Wed, Mar 7, 2012 at 4:22 AM, kuba <kuba.g4@xxxxxxxxx> wrote:
> Hello,

hi,

>
> I have submitted bug on Kernel bug tracker and provide info, but it seems
> that no one there is interested in this topic. I discovered that since
> 2.6.38 kernel version there is bug in ath9k driver (using AR9287 chipset).
> I've posted some additional info at this adress:
> https://bugzilla.kernel.org/show_bug.cgi?id=42352

please provide as much info as possible, in which mode you are
operating, how noisy is the environment, distance between STA and AP.
anything specific etc.
i just tried  compat-wireless-2012-02-04, distance between STA and AP
at least 5ms, a bit of noisy environment, channel 6 HT40 plus, AES
ping RTT is good only. i  may be missing something


>
> The last working version is 2.6.37.6.

if we are very clear about the working one and non-working doing the
following things will make our work very easier
lets say 2.6.37.6 is working fine and 2.6.38 is broken for you

we can work with our wireless-testing tree kernel
git clone git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git

then please do git tag

*git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep AR9287
07422063d43612762d53fac8b6df213c96f4b1f6 ath9k_hw: Fix calibration for
AR9287 devices
f7ec8fb4d6f8f3ecb8b11e9e46ece95aa66139cc ath9k_hw: Fix eeprom offset
for AR9287 devices (PCI/USB)

*even with 3.3-rc5 we got less commits

6321eb0977b011ac61dfca36e7c69b2c4325b104 ath9k_hw: Fix number of GPIO
pins for AR9287/9300
a7be039d347743c289b7280d5de82abf7bbdf1d8 ath9k: Fix eifs/usec timeout
for AR9287 v1.3+
49c99520f3b15300156830904f9ffcf51cb1160e ath9k_hw: Add dump_eeprom
support for AR9287
087b6ff682ff62c49c9a36ddfd24fc781367b1d1 ath9k_hw: fix MAC clock rate
for AR9287 v1.3+
1df85ecec36ad5da3f0165760704310d6c03f65f ath9k: Fix AR9287 calibration
2d05a0c2b4ac614cb5e0eba75d39a37205d129e8 ath9k_hw: Remove unused code
in AR9287 eeprom
81544026e4cecb85a8b727d5f64cb3c8a8cb64a3 ath9k_hw: Fix throughput
drops in HT40 mode for AR9287 chips
6d64ab7f9240e3201fde3fd16ce4227bd795d2ab ath9k_htc: Fix LED pin for
AR9287 HTC device
07422063d43612762d53fac8b6df213c96f4b1f6 ath9k_hw: Fix calibration for
AR9287 devices
f7ec8fb4d6f8f3ecb8b11e9e46ece95aa66139cc ath9k_hw: Fix eeprom offset
for AR9287 devices (PCI/USB)


*git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep ath9k_hw

*git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep ath9k



> I can provide more data if anyone is interested.
> Cheers,
> Kuba
> --
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-- 
thanks,
shafi
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