Kernel drivers

Mirko Vogt lists at nanl.de
Tue Sep 22 06:50:09 EDT 2009


On Mon, 2009-09-21 at 19:04 -0500, Carlos Camargo wrote:
> Hi
Hey,
> 
> 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.
Hmm - when exactly? Can you reproduce this kind of behaviour with
specials tasks?
> 3. I can't start a usb network connection with Nano, The ping from/to
> Nano works, but ssh not.
OpenWrt uses telnet as long as no password is set for root. Until then,
telnet is disabled and ssh enabled. Maybe that's the problem here?
> 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.
Yeah, we weren't able to figure out what exactly is causing these
mmc-rootfs-problems. Sometimes it works, sometimes it does not.
For a reliable boot please consider flashing and booting your rootfs
from nand for now. Using the mmc afterwards is safe.
> 5. some times the console hangs on: Press CTRL_C for failsafe, and we
> need reboot some times for get a console.
Really weird - these kind of hangons I never experienced yet. Same as
1).
> 
> Best Regards
Dito
> 
> 
> 
> -- 
> Carlos Iván Camargo Bareño
> Profesor Asistente
> Departamento de Ingeniería Eléctrica y Electrónica
> Universidad Nacional de Colombia
> cicamargoba at unal.edu.co
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