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

[Chris Tapp]

On 26 Jun 2012, at 06:33, Om Prakash PAL wrote:

> Hi khem,
> on target, etc/ does not contain securetty.

What about /etc/inittab? Does this contain any references to tty0?

> Best Regards,
> Om Prakash Pal
> ________________________________________
> From: Khem Raj [raj.khem at gmail.com]
> Sent: Monday, June 25, 2012 8:43 PM
> To: Om Prakash PAL
> Cc: Bruce Ashfield; yocto at yoctoproject.org
> Subject: Re: [yocto] Porting of specific Kernel/Driver into yocto.
> 
> On Mon, Jun 25, 2012 at 7:12 AM, Om Prakash PAL
> <omprakash.pal at stericsson.com> wrote:
>> Hi Bruce,
>> You can check the attached log.
>> 
>> It does not contain /dev/tty0..its /dev/ttyAMA2.
>> I am not able to get why is it opening /dev/tty0?.
> 
> whats there in /etc/securetty on target rfs ?
>> 
>> Best Regards,
>> Om Prakash Pal
>> 
>> -----Original Message-----
>> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
>> Sent: Monday, June 25, 2012 7:39 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 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
>>>> _______________________________________________
>>>> yocto mailing list
>>>> yocto at yoctoproject.org
>>>> https://lists.yoctoproject.org/listinfo/yocto
>>> 
>> 
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Chris Tapp

opensource at keylevel.com
www.keylevel.com