Kernel drivers

Carlos Camargo cicamargoba at gmail.com
Tue Sep 22 07:39:02 EDT 2009


Hi


On Tue, Sep 22, 2009 at 5:50 AM, Mirko Vogt <lists at nanl.de> wrote:

> 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?
>


I have similar errors when I make a simple "ls /root"  or when I try to list
some directory tree, or when I execute a command like "mplayer
/usr/alsa/share/alsa"



> > 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?
>

I set a passwd for root with "passwd root" but when I try to connect to
nano, Nano don't recognize the password and ask for the password again.



> > 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.
>

ok,


> > 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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>
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-- 
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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