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    <title>Firefly Open Source Community - Firefly-RK3399</title>
    <link>https://bbs.t-firefly.com/forum.php?mod=forumdisplay&amp;fid=149</link>
    <description>Latest 20 threads of Firefly-RK3399</description>
    <copyright>Copyright(C) Firefly Open Source Community</copyright>
    <generator>Discuz! Board by Comsenz Inc.</generator>
    <lastBuildDate>Sat, 18 Apr 2026 05:46:56 +0000</lastBuildDate>
    <ttl>60</ttl>
    <image>
      <url>https://bbs.t-firefly.com/static/image/common/logo_88_31.gif</url>
      <title>Firefly Open Source Community</title>
      <link>https://bbs.t-firefly.com/</link>
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    <item>
      <title>ITX-3588J Android root permissions for app</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=3151</link>
      <description><![CDATA[Hi, is there any options how to grant root permission for the app?
I try Magisk and SuperSU but unsuccessfully.
Or is only option build custom rom from sources?]]></description>
      <category>Firefly-RK3399</category>
      <author>mallumo</author>
      <pubDate>Mon, 09 May 2022 19:13:12 +0000</pubDate>
    </item>
    <item>
      <title>How install linux headers?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2731</link>
      <description><![CDATA[firefly@firefly:~$ sudo apt-get install -y linux-headers-`uname -r`
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package linux-headers-4.4.179-gbd8c300
E: Couldn\'t find any package  ...]]></description>
      <category>Firefly-RK3399</category>
      <author>Axixa</author>
      <pubDate>Sun, 08 Mar 2020 14:33:22 +0000</pubDate>
    </item>
    <item>
      <title>rk3399 linux initramfs</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2700</link>
      <description><![CDATA[where is initrd or initramfs in rk3399 linux image ?  
anyone can tell me?

thx]]></description>
      <category>Firefly-RK3399</category>
      <author>andy9100</author>
      <pubDate>Tue, 05 Nov 2019 14:10:28 +0000</pubDate>
    </item>
    <item>
      <title>Kernel 4.4.167</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2686</link>
      <description><![CDATA[When I compiled the firmware for ubuntu 18.04 I got the kernel version 4.4.167-g17982fadb9b5-dirty. Where can I get the original kernel code for ROC-3399-PC, without the patch \&quot;- g17982fadb9b5-dirty\&quot; ?]]></description>
      <category>Firefly-RK3399</category>
      <author>wh_firefly</author>
      <pubDate>Sun, 06 Oct 2019 11:41:16 +0000</pubDate>
    </item>
    <item>
      <title>Using 4G LTE module with RK3399 for internet connection + creating local wifi ne</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2446</link>
      <description><![CDATA[Just want to know if it\'s possible to connect the RK3399 to the internet via the 4g module and then create a local wifi network. The RK3399 will be running Ubuntu 16.04
Any help or even recommendations of a device that can achieve this would be grea ...]]></description>
      <category>Firefly-RK3399</category>
      <author>SentreTech</author>
      <pubDate>Tue, 13 Nov 2018 07:40:36 +0000</pubDate>
    </item>
    <item>
      <title>About problem of Rrk3399\'s I2C being not able to driven up</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2385</link>
      <description><![CDATA[We encountered some problem of Camera integration. Currently our R&amp;D progress is blocked at I2C being not able to driven up¡£ Even we are using official open-source code project and Devicetree file£º


The phenomenon is any enabled I2C bus, SDA SC ...]]></description>
      <category>Firefly-RK3399</category>
      <author>zengqiluo@yahoo</author>
      <pubDate>Wed, 08 Aug 2018 09:49:26 +0000</pubDate>
    </item>
    <item>
      <title>RK3399 U-BOOT Uploading</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2355</link>
      <description><![CDATA[[/td][/tr]

[/table]]]></description>
      <category>Firefly-RK3399</category>
      <author>s9650032</author>
      <pubDate>Wed, 27 Jun 2018 19:07:02 +0000</pubDate>
    </item>
    <item>
      <title>Ubuntu 16.04 - One Wire testing</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2354</link>
      <description><![CDATA[We are missing a particular library

firefly@firefly:~$ modprobe wire
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file \'/lib/modules/4.4.77/modules.dep.bin\'
modprobe: FATAL: Module wire not found in direct ..]]></description>
      <category>Firefly-RK3399</category>
      <author>kanderson</author>
      <pubDate>Wed, 27 Jun 2018 18:00:35 +0000</pubDate>
    </item>
    <item>
      <title>Camera is not working on firefly RK3399 which is running Ubuntu OS</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2352</link>
      <description><![CDATA[Hello,
I connected MIPI camera and trying to stream video data on VLC application. but I am getting error lilke \&quot;/dev/video0 is not capture device\&quot;
Even from one linux application I tried to capture the data from the camera,but here also same error ..]]></description>
      <category>Firefly-RK3399</category>
      <author>anveshdotneeli</author>
      <pubDate>Wed, 27 Jun 2018 07:11:59 +0000</pubDate>
    </item>
    <item>
      <title>Kernel hanging on PCIe detect</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2350</link>
      <description><![CDATA[Hello
We are developing under firefly RK3399 module using PEX8608 PCIe switch.
and occured boot hanging following captures
How can I fix this problem?
if i using 32bit debian image, will fix this problem?

[    0.334313] NET: Registered protoco ...]]></description>
      <category>Firefly-RK3399</category>
      <author>s9650032</author>
      <pubDate>Tue, 26 Jun 2018 08:43:09 +0000</pubDate>
    </item>
    <item>
      <title>Full working image</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2344</link>
      <description><![CDATA[Is there not an image that is configured correctly that just works?

Currently, I have the ubuntu 16.04 image on it, and it\'s far from usable!  The image has no OpenGL support on it, and even the Rock3399 video driver is missing.

This image has  ...]]></description>
      <category>Firefly-RK3399</category>
      <author>robertd1968</author>
      <pubDate>Thu, 21 Jun 2018 01:57:32 +0000</pubDate>
    </item>
    <item>
      <title>FirFLY EGL config  Problem</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2333</link>
      <description><![CDATA[Hello there,  I\'m running Ros lunar full desktop on this FireFly RK3399.  First problem, when i type into the terminal:
rosrun rviz rviz, it kicks up this erroe: 

firefly@firefly:~$ rosrun rviz rviz
[ INFO] [1528702646.473572157]: rviz version 1 ...]]></description>
      <category>Firefly-RK3399</category>
      <author>robertd1968</author>
      <pubDate>Mon, 11 Jun 2018 07:59:04 +0000</pubDate>
    </item>
    <item>
      <title>Using rockchip-4.4 kernel on Firefly RK-3399</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2331</link>
      <description><![CDATA[Does anyone know if and how it is possible to compile &amp; load the rockchip kernel (https://github.com/rockchip-linux) on the Firefly RK-3399 board?

If possible - What would be possible steps to do it (flash \&quot;firefly\&quot; ubuntu first and replace kernel ..]]></description>
      <category>Firefly-RK3399</category>
      <author>assaf</author>
      <pubDate>Sun, 10 Jun 2018 12:40:11 +0000</pubDate>
    </item>
    <item>
      <title>Compile mainline kernel for RK3399 for SDCard</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2321</link>
      <description><![CDATA[Hi,

I own a Firefly-RK3399 2GB variant, and wanted to create an SDCard image with a mainline kernel that I could boot in conjunction with a Firefly provided eMMC.

After spending way too much time figuring out how this was all put together, I\'ve ...]]></description>
      <category>Firefly-RK3399</category>
      <author>Kamikaze84</author>
      <pubDate>Mon, 04 Jun 2018 06:47:14 +0000</pubDate>
    </item>
    <item>
      <title>32bit linux image</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2316</link>
      <description><![CDATA[Hello there is the a Ubuntu 32 bit image for the firefly Rock3399 ?

I can only find a 64 bit image.

Thanks]]></description>
      <category>Firefly-RK3399</category>
      <author>robertd1968</author>
      <pubDate>Fri, 01 Jun 2018 06:14:51 +0000</pubDate>
    </item>
    <item>
      <title>PMIC driver available in AIO 3399J</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2286</link>
      <description><![CDATA[Hi,
Is there any external PMIC (Power Management Integrated Circuit) driver available in AIO 3399J SDK?]]></description>
      <category>Firefly-RK3399</category>
      <author>KrunalShah</author>
      <pubDate>Thu, 10 May 2018 12:36:44 +0000</pubDate>
    </item>
    <item>
      <title>Where to define and register new i2c device/driver</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2268</link>
      <description><![CDATA[Hi,
I am trying to interface pcf8574(i2c-gpio expander) with rk3399 and AIO 3399J using the i2c4 port.I have also added basic details of pcf8574 in the \'rk3399-firefly-port.dtsi\' file.But I do not know how to define and register the i2c device/drive ..]]></description>
      <category>Firefly-RK3399</category>
      <author>KrunalShah</author>
      <pubDate>Fri, 20 Apr 2018 08:51:01 +0000</pubDate>
    </item>
    <item>
      <title>videowall project</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2265</link>
      <description><![CDATA[Dear All,

Is it possible to split screen as defined ratio. For vertical and horizontal, is it possible to zoom the original image as vertical and horizontal axis. 

Best regards,

Metin]]></description>
      <category>Firefly-RK3399</category>
      <author>metind</author>
      <pubDate>Mon, 16 Apr 2018 13:45:04 +0000</pubDate>
    </item>
    <item>
      <title>Linux Kernel Driver Version Mismatch</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2264</link>
      <description><![CDATA[Dear Firefly,

I am trying to compile a network driver for a PCIe card inserted into a RK3399 board. 
I am facing three issues. 
************************************
1. Issue with linux-headers for 4.4.16. 
************************************ ...]]></description>
      <category>Firefly-RK3399</category>
      <author>WajahathMM</author>
      <pubDate>Mon, 16 Apr 2018 11:33:32 +0000</pubDate>
    </item>
    <item>
      <title>Network PCIe Card not detected in rk3399</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2263</link>
      <description><![CDATA[Dear,
I am using the firefly RK-3399 board which has Mini PCIe connector on it. 
A PCIe Network card is inserted into Mini PCIe slot using a \&quot;Mini PCI-E to PCI-E Express 1X Extension Cord Adapter Card with USB Riser Card\&quot; 
For some reason the PCIe ..]]></description>
      <category>Firefly-RK3399</category>
      <author>WajahathMM</author>
      <pubDate>Mon, 16 Apr 2018 11:03:57 +0000</pubDate>
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