[linux-yocto] RT Kernel for 3.4 does not boot

[Bruce Ashfield]

On 12-09-04 4:37 PM, Bodke, Kishore K wrote:
>
>
>> -----Original Message-----
>> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
>> Sent: Tuesday, September 04, 2012 7:54 AM
>> To: Development list for the linux-yocto*.git Linux kernel repositories
>> Cc: Bodke, Kishore K
>> Subject: Re: [linux-yocto] RT Kernel for 3.4 does not boot
>>
>> On 12-09-04 10:24 AM, Bruce Ashfield wrote:
>>> On 12-08-30 07:01 PM, Bodke, Kishore K wrote:
>>>> Hi,
>>>>
>>>> Has anyone tried booting the RT Kernel for 3.4 for any BSP?
>>>>
>>>> For Romley it does not boot.
>>>>
>>>> I am using
>>>>
>>>> KBRANCH_romley = "standard/preempt-rt/base"
>>>>
>>>> SRCREV_machine_pn-linux-yocto-rt_romley ?=
>>>> "eb9c0669c66041eeae72b853011ec31ad81cc35d"
>>>>
>>>> SRCREV_meta_pn-linux-yocto-rt_romley ?=
>>>> "463299bc2e533e1bd38b0053ae7b210980f269c3"
>>>>
>>>> I see the latest RT kernel it is pulling is 3.4.9-rt14-yocto-preempt-rt ?
>>>
>>>
>>> FYI: I re-merged -rt this morning, and will have some boot results
>>> later today. If it works, the fixed support will be pushed out by EOD.
>>
>> Confirmed to work here:
>>
>>> uname -a
>> Linux qemux86 3.4.9-rt17-yocto-preempt-rt #1 SMP PREEMPT Tue Sep 4
>> 10:35:17 EDT 2012 i686 GNU/Linux
>>
>> The fixes have been pushed out to the kernel tree, if you use AUTOREV,
>> you'll pick them up in your next build. I'll send SRCREV updates shortly
>> as well.
>
> Booted for me as well.
> I built core-image-sato.  But I only see the command prompt but not the regular sato desktop with all the desktop icons.
> root at crystalforest-stargo:~# uname -a
> Linux crystalforest-stargo 3.4.9-rt17-yocto-preempt-rt #1 SMP PREEMPT Tue Sep 4 11:18:25 PDT 2012 x86_64 GNU/Linux
>
> Is this expected?

The -rt kernel shouldn't have an impact on this, since your board's 
configuration
should only differ by the -rt options (typically). Diffing your
two .configs, and looking at the .scc files should highlight any
differences.

Bruce

>
> Thanks
> Kishore.
>