[ath9k-devel] Stable Version for ath9k_htc in AP Mode?

[Oleksij Rempel <linux@rempel-privat.de>]

Am 28.04.2014 22:43, schrieb Aaron Hamilton:
> Has anyone had success running an ath9k_htc module in AP mode for any length of time? If so, what versions of OS/hostapd/ath are you using?  Would you mind sharing your magic config files for your kernel, backports, hostapd, etc?

Usually i do benchmark tests and some hours of load tests. Some devices
fail on high load. Yesterday i was able to narrow down one of firmware
crashes, but with current fw and kernel, it will recover connection in
some seconds. So this problem is not nice, but not critical.

If you are able to grub firmware log from uart port on the chip, or get
panic report from kernel, if you have patched kernel, then it will be
good start.

In any case most interesting changes are from this year, so don't use
old backports.

If you have firmware crashes, i would suggest you todays FW source:
https://github.com/olerem/open-ath9k-htc-firmware/commits/io_clean

the difference to other branches is that panic report should show
address of function which made ioread/write request

> I'm desperate for stability as this problem has been ongoing for quite some time. We are using ar9710 chips in vehicle hotspots and the best we've been able to achieve is a few days of connectivity. Usually within hours all wifi clients loose their connection which can only be corrected with a hostapd restart (or power cycle).

Are you sure you are using ar9710 with ath9k-htc?

> Here's our setup:
> - host: at91 ARM processor on 2.6.39.4 kernel
> - runtime power management and LED support removed from kernel (otherwise entire device reboots when load is put on wifi interface)
> - hostapd-2.0
> - latest ath9k_htc firmware compiled from source (indicates v1.4 on boot)
> 
> At this point I'm willing to try just about anything to get at least a week or more of ongoing stability.
> 
> Thanks in advance!
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> 


-- 
Regards,
Oleksij

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