genode-i.mx6

[Stefan Kalkowski]

Hi,

On 06/12/2014 09:45 AM, Aditya Kousik wrote:
> Hello Mahe,
> 
> You can see that the console output gives a lot of hints as to whether
> it is the expected output. For starters, the abort call: the kernel has
> stopped. Right before that stage, nitpicker says "No route to service
> "Framebuffer"' and rightly so. There's no framebuffer driver running for
> i.mx6 and secondly, you might not have connected any display for it to
> even work.

just for clarification: the kernel didn't stopped at all. It is
"nitpicker", the windowmanager, that tried to get a session to the
framebuffer driver. As there is no such driver available, when asking
its parent process, "nitpicker" got a "Service_denied" exception in
return. The "nitpicker" initialization code doesn't catched that
exception, that's why c++ exception handling code printed the uncaught
exception name and called the abort routine. Therefore, it's not the
kernel, but nitpicker that stopped.

Regards
Stefan

> 
> The demo scenario is a behemoth for initial development with the board.
> As I'd mentioned in the wiki, try exploring simple scripts like
> run/printf, run/nested_init to get a feel for the build process.
> 
> Cheers
> Aditya
> 
> 
> On Thu, Jun 12, 2014 at 12:50 PM, Mahe Mohan <mahemscse at ...9...
> <mailto:mahemscse at ...9...>> wrote:
> 
>     Hello ,
>     Thanks for your help . I did the steps given in the wiki. We cloned
>     the repos then created the build directory and We compiled using
>      
>     RUN_OPT="--target uboot" make run/demo
> 
>     Then we copied the image from the build/var/run/demo/uImage into the
>     SD card.
>     After that we connected the board and worked on the following commands.
> 
>     u-boot> mmc dev 1
>     u-boot> fatload mmc 1:1 0x10800000 uImage
>     u-boot> bootm 10800000
> 
>     We are getting the following message.
> 
> 
>     MX6Q SABRELITE U-Boot > bootm 10800000
>     ## Booting kernel from Legacy Image at 10800000 ...
>        Image Name:   
> 
>        Image Type:   ARM Linux Kernel Image (gzip compressed)
>        Data Size:    1977409 Bytes =  1.9 MB
>        Load Address: 10001000
>        Entry Point:  10001e ... OK
> 
>     Starting kernel ...
> 
>     int main(): --- create local services ---
> 
> 
>     int main(): --- start init ---
>     int main(): transferred 1019int main(): --- init created, waiting for exit condition ---
>     [init] Could not open file "ld.lib.so <http://ld.lib.so>"
> 
>     [init] nitpicker: no route to service "Framebuffer"
> 
>     [init -> nitpicker] C++ runtime: Genode::Parent::Service_denied
>     [init -> nitpicker] void* abort(): abort called
>     [init -> launchpad] Could not open file "ld.lib.so <http://ld.lib.so>"
> 
> 
> 
> 
> 
>     wheather is the expected output? 
> 
> 
>     Thanks
> 
> 
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-- 
Stefan Kalkowski
Genode Labs

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