Hi Kalle On 8 September 2011 17:27, Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> wrote: > Hi Sangwook, > > On 09/07/2011 04:32 PM, Sangwook Lee wrote: >> I am running ath6kl-cleanup git. > > BTW, ath6kl-cleanup.git is not updated anymore. Instead there's now > ath6kl.git which follows wireless-testing. You can find it from > git.kernel.org (when it's up again) or from github. > Thanks for this info, I will use new git. >> If I add debug_mask values with ath6kl.ko as like followings, I get >> the success full results, >> but without this, "iwlist wlan0 scan" fails. >> >> ath6kl: hw 2.0 fw 3.1.1.149 > > Hmm, I'm not sure if I have hw 2.0. I try to find one from my "stash" :) > >> 1) SCAN success with debug values: ( 0xc44,c40,40) >> $ insmod ath.ko >> $ insmod ath6kl.ko debug_mask=0x40 >> $ ifconfig wlan0 up >> $ iwlist wlan0 scan >> >> 2) SCAN failure >> $ insmod ath.ko >> $ insmod ath6kl.ko >> $ ifconfig wlan0 up >> $ iwlist wlan0 scan >> With this case, there is no coming event "WMI_SCAN_COMPLETE_EVENTID". >> After receiving "ath6kl: WMI_EXTENSION_EVENTID" >> iwlist shows error message: >> wlan0 Failed to read scan data : Resource temporarily unavailable > > 0x40 is ATH6KL_DBG_HTC_RECV. I guess the debug prints slow down the > execution and papers over the bug. At least I can't think of any other > explonation right now. > > Before I'm able to find a hw 2.0 device, can you try to debug this more? > When scanning fails can check if ath6kldev_intr_bh_handler() is called > or not? When scanning fails it usually happens because irqs are failing. > OK, let me debug this point later. > Can you share any details about your setup? From linaro.org I assume you > are using an arm board of some sort ;)# > Yes, I am using ARM Cortex A9 (Samsung EXYNOS4), SDIO Interface AR6003 Firmware In details, https://wiki.linaro.org/Resources/HowTo/SamsungWlanInOrigen > Kalle > Sangwook -- 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