[yocto] meta-cedartrail - serial console

[Darren Hart]

On 06/01/2012 11:03 AM, Bodke, Kishore K wrote:
> 
> 
>> -----Original Message-----
>> From: Hart, Darren
>> Sent: Thursday, May 31, 2012 12:43 PM
>> To: jfabernathy
>> Cc: Bodke, Kishore K; yocto at yoctoproject.org
>> Subject: Re: [yocto] meta-cedartrail - serial console
>>
>> On 05/31/2012 12:32 PM, jfabernathy wrote:
>>> On 05/31/2012 02:18 PM, Bodke, Kishore K wrote:
>>>>
>>>>> -----Original Message-----
>>>>> From: yocto-bounces at yoctoproject.org [mailto:yocto-
>>>>> bounces at yoctoproject.org] On Behalf Of jfabernathy
>>>>> Sent: Thursday, May 31, 2012 9:12 AM
>>>>> To: yocto at yoctoproject.org
>>>>> Subject: [yocto] meta-cedartrail - serial console
>>>>>
>>>>> Using a DN2800MT (Marshalltown) Intel board, I'm testing the
>>>>> meta-cedartrail using edison branch and noticed an issues with the
>>>>> serial console.
>>>>>
>>>>> The cedartrail.conf in the machine directory has the following statements:
>>>>>
>>>>> SYSLINUX_OPTS = "serial 0 115200"
>>>>> SERIAL_CONSOLE = "115200 ttyS0"
>>>>> APPEND += "console=ttyS0,115200 console=tty0"
>>>>>
>>>> I just saw that Edison branch has ttyS3 enabled.
>>>>
>>>> SYSLINUX_OPTS = "serial 3 115200"
>>>> SERIAL_CONSOLE = "115200 ttyS3"
>>>> APPEND += "console=ttyS3,115200 console=tty3"
>>>>
>>>> Are you looking into right branch?
>>>>
>>>> Thanks
>>>> -Kishore.
>>>>
>>>
>>> So how do you get changes in the cedartrail.conf file to take affect??
>>> I edited the file and did the bitbake again, but nothing changed.  I'm
>>> guessing I need a bitbake -c cleansstate "somthing"  But I don't know
>>> what to put there to make rebuild with ttyS0.
>>>
>>
>> Ah yes, this rebuild is a bit frustrating. I believe it is the
>> task_core* tasks you need to rebuild. bitbake -u depexp -g
>> core-image-base (whatever your image is) will allow you to view which
>> task_ tasks it is building, try cleansstate'ing those and rebuilding the
>> image.
> 
> I had to remove the above 3 lines from cedartrail.conf and 
> SERIAL_CONSOLE ?= "115200 ttyS0" line from conf/machine/include/ia32-base.inc
> rebuild the image.
> It is disabled now.

Did you try with SERIAL_CONSOLE="" in cedartrail.conf ?


-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel