Re: Can't boot kernel v4.0-rc2 on Koelsch

[Cao Minh Hiep <cm-hiep@jinso.co.jp>]

Hi Nobuhiro-san

On 2015年03月10日 17:05, Nobuhiro Iwamatsu wrote:
> Hi, all.
>
> This is user land issue.
> Hiep, if you have not changed ttySCX in inittab, you will need to change.
> Could you check your inittab?
>
> --- a/inittab    2015-03-10 15:01:58.986609389 +0900
> +++ b/inittab    2015-03-10 15:00:32.132094877 +0900
> @@ -28,7 +28,7 @@
>   l6:6:wait:/etc/init.d/rc 6
>   # Normally not reached, but fallthrough in case of emergency.
>   z6:6:respawn:/sbin/sulogin
> -SC6:12345:respawn:/sbin/getty -L 38400 ttySC6
> +SC0:12345:respawn:/sbin/getty -L 38400 ttySC0
>   # /sbin/getty invocations for the runlevels.
>   #
>   # The "id" field MUST be the same as the last
There is no inittab file in Linaro userland that I am using.
But I tried to change it in Yocto. Then I can boot my boards well.

Best Regards,
Hiep.

> Best regards,
>    Nobuhiro
>
> 2015-03-10 8:49 GMT+09:00 Laurent Pinchart <laurent.pinchart@ideasonboard.com>:
>> Hello Hiep-san,
>>
>> (CC'ing Geert)
>>
>> On Monday 09 March 2015 18:43:54 Cao Minh Hiep wrote:
>>> On 2015年03月09日 16:06, Laurent Pinchart wrote:
>>>> On Monday 09 March 2015 10:07:04 Cao Minh Hiep wrote:
>>>>> Hi Laurent-san
>>>>>
>>>>> I am Hiep from Jinzai Solution.
>>>>> I'm sorry to bother you again!
>>>> No worries.
>>>>
>>>>> We are testing the linux ver v4.0-rc2 on Koelsch, We can not boot the
>>>>> kernel v4.0-rc2 on Koelsch,
>>>>> Then we found a patch has changed as below:
>>>>> "1f75cda ARM: shmobile: koelsch: Rename SCIF[01] serial ports to
>>>>> ttySC[01]"
>>>>>
>>>>> Please see it when you have time!
>>>> Could you please detail your boot failure ? You might need to change your
>>>> /etc/inittab to adjust to the serial port new name, but apart from that
>>>> there shouldn't be any issue. I can boot my Koelsch board on 4.0-v2.
>>> Sure, I use the rootfs of Linaro-nano 2014.09 to test v4.0-rc2.
>>> When booting kernel with default config, bootlogs showed until these
>>> messages appearing.
>>> "init: auto-serial-console main process ended, respawning
>>> init: auto-serial-console main process ended, respawning
>>> init: auto-serial-console main process ended, respawning
>>> init: tty1 main process (1449) killed by TERM signal
>>> init: auto-serial-console respawning too fast, stopped"
>>>
>>> Then, my Koelsch board stoped here.(my Lager board is the same)
>>> (I attached the bootlogs_file)
>>>
>>> So, When I tried to add "console=ttySC0," into bootargs (at .dts file),
>>> i can boot my Koelsch board without any problems.
>>> And these are the same on Lager board.
>> Thank you for the information.
>>
>> Geert, it looks like the console= kernel command line argument is used by
>> userspace to figure out the console device on which to spawn a terminal. What
>> would you think about adding it back ?
>>
>>> Thank you!
>>> Jinso/Hiep
>>> ====>>> information:
>>> Actually, on v4.0-rc2, we have two patches related each other as below:
>>> 79e69d1 ARM: shmobile: koelsch dts:Drop console= bootargs parameter BAD.
>>> 1f75cda ARM: shmobile: koelsch: Rename SCIF01 serial ports to ttySC01
>>>
>>> And for Lager:
>>> 569dd56 ARM: shmobile: lager dts: Drop console= bootargs parameter
>>> 78c11ec ARM: shmobile: lager: Rename SCIFA[01] serial ports to ttySC[01]
>>>
>>> There is only 79e69d1 patch on v3.19-rcX, I also had a problem with
>>> bootting Koelsch on v3.19-rcX
>>> (using linaro-nano 2014.09). But it was good on Yocto and
>>> linaro-nano-2013.02
>> --
>> Regards,
>>
>> Laurent Pinchart
>>
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