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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

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PIPO S3 WiFi problem on Genio by Oma rocks 4.2.2
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lujji

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2013/07/09 - 18:58
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Hello, I've installed 4.2.2 Genio by Oma on PIPO S3 tablet and I can't get wifi up and running with genio kernel. I've tried copying wlan.ko module and libhardware_legacy.so from the stock firmware but it didn't take any effect. Only after installing the stock kernel I am able to use wifi. The question is: how can I get wifi working with genio kernel? I suspect that the problem is connected with wpa_supplicant_driver specified in BoardConfig.mk, however I am not sure.

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JochenKauz

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2013/07/10 - 12:22
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I don't know what 4.2.2 Version from Oma you have installed, but if it the version with the 3.0.36+ experimental kernel, it is clear that you don't get the wlan.ko working.

Kernel modules have to match the kernel version, stock has 3.0.8+, not 3.0.36+.

But if it works with your stock kernel, I think its fine, no need to change to experimental kernel 3.0.36+.

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netlars

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2013/07/10 - 16:50
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A Test:

 

make sure the file 8192cu.ko.3.0.36+ is in your modules folder!

And then run the attachment fix via CWM.

 

Please give a response.

 

Download Oma_JB_4.2.2_v3.2_Pipo_S3_wifi_fix.zip

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lujji

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2013/07/10 - 17:56
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Thank you very much for fast replies!

JochenKauz said
I don't know what 4.2.2 Version from Oma you have installed

It's the RK30 Genio 4.2.2 Test Build (link). It has 3.0.36+ modules installed, but this build actually uses kernel 3.0.8 (at least the "About tablet" tab in settings says so).

netlars said
make sure the file 8192cu.ko.3.0.36+ is in your modules folder!

And then run the attachment fix via CWM.

I have both 8192cu.ko and 8192cu.ko.3.0.36+ in modules folder. The fix replaces wlan.ko and libhardware_legacy.so files, and I have already tried replacing them manually and it didn't work. Anyway, I've just tried running the fix from CWM and still I get no wi-fi support.

 

P.S.: this is a log from adb

D/WifiHW(268): Read wifi chip type OK ! wifi_chip_type = RTL8188CU
D/WifiHW(268): wifi_load_driver: DRIVER_MODULE_PATH = /system/lib/modules/8192cu.ko, DRIVER_MODULE_ARG =
D/WifiHW(268): wifi_load_driver: driver load failed
D/WifiHW(268): Unable to unload driver module "wlan": No such file or directory


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JochenKauz

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2013/07/10 - 21:11
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could you please provide me the compile version string of the kernel?

Is it

3.0.8+ cdy@ #279....?

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lujji

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2013/07/10 - 22:24
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Yes, it's 3.0.8+ cdy@ #279

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netlars

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2013/07/11 - 06:25
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Whats the version of the android? Is it JDQ39 or JDQ39B?

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lujji

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2013/07/11 - 15:15
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Is it specified in build.prop? It says JDQ39 and build number is "Oma RK30 JB 4.2.2 v3.2 - 18.05.2013".

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netlars

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2013/07/11 - 18:55
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Second Test:

 

Please test the attachmet file.

 

Download libhardware_legacy.7z

The following users say thank you to netlars for this useful post:

Shays
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lujji

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2013/07/11 - 19:37
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I've replaced the old library, but wlan still doesn't work.

P.S.: I didn't replace it through recovery, I've just used root explorer. I know it's a bad idea, but it did the job Smile

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netlars

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2013/07/11 - 19:43
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Sorry, at the momenet i don't know whats the error is ...

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lujji

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2013/07/11 - 19:48
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Still, thanks a lot for your effort. By the way, is it possible to obtain the config-file for the kernel sources of this build?

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Oma7144

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lujji

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2013/07/12 - 02:06
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So the only solution is to use the stock kernel?

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Shays
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2013/08/14 - 23:50
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Hey guys, I'm trying to compile the kernel from your sources for this tablet. I'm using this repo: https://github.com/crewrktablets/rk30_kernel

I select 'Odys Genio MID device' in 'RK30xx board type' but I get no sound and no camera support after compiling. 

Can you please tell me how did you configure the kernel for genio 4.2.2?

By the way, thanks for your awesome work! Wink

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