Kernel drivers

Xiangfu Liu xiangfu at qi-hardware.com
Tue Sep 22 04:51:04 EDT 2009


Hi Carlos

I just try the mmc rootfs. same error here. only one time work fine.
maybe something wrong with the mmc driver. 

you can use NAND rootfs first.


Carlos Camargo wrote:
> Hi
> 
> I'm trying to build an image kernel with sound and keyboard support. I'm
> using openwrt, and qi-kernel, The compilation process run successfully
> and I can upload the kernel images to NAND flash using usbboot. , but I
> have some problems: (I'm using root on mmc)
> 
> 1. When I run a command the console hangs and don't works again.
> 2. I've already compiled alsa-libs, alsa-utils and mplayer (from ingenic
> ftp) using openwrt toolchain. When I'm trying to use aplay, or mplayer
> the console hangs
> 3. I can't start a usb network connection with Nano, The ping from/to
> Nano works, but ssh not.
> 4. dmesg shows a lot of MMC commands. so we can't see the driver
> message, I think that the best choice would be disble the mmc debug
> messages.
> 5. some times the console hangs on: Press CTRL_C for failsafe, and we
> need reboot some times for get a console.
> 
> The keyboard driver works fine.
> 
> Best Regards
> 
> 
> 
> -- 
> Carlos Iván Camargo Bareño
> Profesor Asistente
> Departamento de Ingeniería Eléctrica y Electrónica
> Universidad Nacional de Colombia
> cicamargoba at unal.edu.co <mailto:cicamargoba at unal.edu.co>





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