[yocto] Porting of specific Kernel/Driver into yocto.

[Bruce Ashfield]

On 12-06-25 10:06 AM, Om Prakash PAL wrote:
> Hi Bruce,
> Yes,its arm board.
> Yes, I have verified and kernel bootline is properly passed to the kernel by bootloader.

And does it (the bootline) contain /dev/tty0 ? .. because if things are
properly configured, it really shouldn't be trying to open it.

Cheers,

Bruce

>
> Best Regards,
> Om Prakash Pal
>
> -----Original Message-----
> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
> Sent: Monday, June 25, 2012 6:38 PM
> To: Om Prakash PAL
> Cc: Khem Raj; yocto at yoctoproject.org
> Subject: Re: [yocto] Porting of specific Kernel/Driver into yocto.
>
> On 12-06-25 08:53 AM, Om Prakash PAL wrote:
>> Hi Khem,
>> I have build core-image-core. but still this Error:
>> ======================================================>
>>      11.165466] EXT3-fs (mmcblk0p1): mounted filesystem with writeback data mode
>> [   11.172668] VFS: Mounted root (ext3 filesystem) on device 179:1.
>> [   11.179260] Freeing init memory: 316K
>> INIT: version 2.88 booting
>> Error Cannot open /dev/tty0: No such device or address
>> mknod: /dev/console: File exists
>>
>> =========================================================>
>>
>> I have set SERIAL_CONSOLE="115200 ttyAMA2"  then why its taking /dev/tty0 ?.
>
> I've lost some of the context on the board you are working with, but
> from ttyAMA2, I'm assuming it is an arm board. Have you verified that your
> bootloader can pass the kernel bootline properly to the kernel ? It is
> (unfortunately) fairly common that it isn't properly passed. If you
> modify your configuration to have a built in command line with your
> configuration, you may be able to get better setup to debug the
> problem.
>
> Cheers,
>
> Bruce
>
>> please help.
>>
>> Best Regards,
>> Om Prakash Pal
>> _______________________________________
>> From: Khem Raj [raj.khem at gmail.com]
>> Sent: Friday, June 22, 2012 11:18 AM
>> To: Om Prakash PAL
>> Cc: Gary Thomas; yocto at yoctoproject.org
>> Subject: Re: [yocto] Porting of specific Kernel/Driver into yocto.
>>
>> On Thu, Jun 21, 2012 at 10:37 PM, Om Prakash PAL
>> <omprakash.pal at stericsson.com>   wrote:
>>>
>>>>> and then console got  stuck.
>>>>
>>>>> What do you have SERIAL_CONSOLE set to in your configuration?
>>>>
>>>> I have set SERIAL_CONSOLE="115200 ttyAMA2". As we are using ttyAMA2 for console.
>>>
>>>> What is your target device?  Do you really have /dev/ttyAMA2 serial port??.
>>>
>>> Yes, I have /dev/ttyAMA2 serial port.
>>
>> Can you try using say poky/master and generate root file system and
>> try that out ?
>> another option is to try core-image-core
>> _______________________________________________
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>