[opensuse-arm] Re: [opensuse-kernel] Re: armv7hl kernel-default config have tegra20 serial output broken

[Misha Komarovskiy]

Hello,

On Wed, Aug 5, 2015 at 5:12 PM, Misha Komarovskiy  wrote:
> Hello Matwey,
> I hope soon to be able to collect panic log, as tegra20 serial output
> is fixed in kernel-source now.

Panic happen before simple serial console started, but i made package
of kernel-default with tegra DEBUG_LL enabled
and now i have panic logs: http://paste.opensuse.org/15729922, log
with initcall_debug http://paste.opensuse.org/76504505

I blame some kernel-default config option, because same kernel
compiled with tegra_defconfig boots fine,
but how to find which one?


> ---
> Best Regards,
> Misha Komarovskiy
> zombahatgmaildotcom
>
>
> On Wed, Aug 5, 2015 at 3:27 PM, Matwey V. Kornilov
>  wrote:
>> That is strange, as far as I remember there is no panic timeout in JeOS
>>
>> 2015-08-03 14:17 GMT+03:00 Misha Komarovskiy :
>>> Hello,
>>> I have no experience with kgdb. As system restarts after panic timeout
>>> i wanted to catch oops message in kernel output via serial console.
>>> ---
>>> Best Regards,
>>> Misha Komarovskiy
>>> zombahatgmaildotcom
>>>
>>>
>>> On Sat, Aug 1, 2015 at 1:46 PM, Matwey V. Kornilov
>>>  wrote:
 01.08.2015 12:48, Misha Komarovskiy пишет:
> Hello,
> I found that latest images for my armv7 board (paz00/ac100) which use
> kernel-default have kernel panic on start without any output to serial
> console, but serial output was working last time i tested image back
> in may.
>
> I cloned kernel-source git repo made sequence-patched kernel and
> recompiled it with
> enabling DEBUG_LL,TEGRA UART_A and EARLYPRINTK config options added to
> config/armv7hl/default config, but found that there is no ttyS0
> output, only earlycon here is paste:
> http://paste.opensuse.org/31390203
>

 Have you tried to use kgdb? Does it not work too?

> Recompiling same kernel with multi_v7_defconfig config and same
> debug/earlyprintk options have no panics and normal serial output:
> http://paste.opensuse.org/13080662
>
> Maybe kernel-default config require some extra tricks now to have serial 
> output?
> I want to catch that panic.
> ---
> Best Regards,
> Misha Komarovskiy
> zombahatgmaildotcom
>


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>>
>>
>>
>> --
>> With best regards,
>> Matwey V. Kornilov
>> http://blog.matwey.name
>> xmpp://0x2...@jabber.ru



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Misha Komarovskiy
zombahatgmaildotcom
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[opensuse-arm] Re: [opensuse-kernel] Re: armv7hl kernel-default config have tegra20 serial output broken

[Matwey V. Kornilov]

2015-09-03 19:23 GMT+03:00 Misha Komarovskiy :
> Hello,
>
> On Wed, Aug 5, 2015 at 5:12 PM, Misha Komarovskiy  wrote:
>> Hello Matwey,
>> I hope soon to be able to collect panic log, as tegra20 serial output
>> is fixed in kernel-source now.
>
> Panic happen before simple serial console started, but i made package
> of kernel-default with tegra DEBUG_LL enabled
> and now i have panic logs: http://paste.opensuse.org/15729922, log
> with initcall_debug http://paste.opensuse.org/76504505

I would suggest using gdb to understand where the issue appears, it is
probably the fastest way.
I wrote an instruction for myself how to do that, but unfortunately it
is written in Russian and Google Translate doesn't help much:
https://goo.gl/7LlcEz

>
> I blame some kernel-default config option, because same kernel
> compiled with tegra_defconfig boots fine,
> but how to find which one?
>
>
>> ---
>> Best Regards,
>> Misha Komarovskiy
>> zombahatgmaildotcom
>>
>>
>> On Wed, Aug 5, 2015 at 3:27 PM, Matwey V. Kornilov
>>  wrote:
>>> That is strange, as far as I remember there is no panic timeout in JeOS
>>>
>>> 2015-08-03 14:17 GMT+03:00 Misha Komarovskiy :
 Hello,
 I have no experience with kgdb. As system restarts after panic timeout
 i wanted to catch oops message in kernel output via serial console.
 ---
 Best Regards,
 Misha Komarovskiy
 zombahatgmaildotcom


 On Sat, Aug 1, 2015 at 1:46 PM, Matwey V. Kornilov
  wrote:
> 01.08.2015 12:48, Misha Komarovskiy пишет:
>> Hello,
>> I found that latest images for my armv7 board (paz00/ac100) which use
>> kernel-default have kernel panic on start without any output to serial
>> console, but serial output was working last time i tested image back
>> in may.
>>
>> I cloned kernel-source git repo made sequence-patched kernel and
>> recompiled it with
>> enabling DEBUG_LL,TEGRA UART_A and EARLYPRINTK config options added to
>> config/armv7hl/default config, but found that there is no ttyS0
>> output, only earlycon here is paste:
>> http://paste.opensuse.org/31390203
>>
>
> Have you tried to use kgdb? Does it not work too?
>
>> Recompiling same kernel with multi_v7_defconfig config and same
>> debug/earlyprintk options have no panics and normal serial output:
>> http://paste.opensuse.org/13080662
>>
>> Maybe kernel-default config require some extra tricks now to have serial 
>> output?
>> I want to catch that panic.
>> ---
>> Best Regards,
>> Misha Komarovskiy
>> zombahatgmaildotcom
>>
>
>
> --
> To unsubscribe, e-mail: opensuse-kernel+unsubscr...@opensuse.org
> To contact the owner, e-mail: opensuse-kernel+ow...@opensuse.org
>
>>>
>>>
>>>
>>> --
>>> With best regards,
>>> Matwey V. Kornilov
>>> http://blog.matwey.name
>>> xmpp://0x2...@jabber.ru
>
>
>
> --
> Best Regards,
> Misha Komarovskiy
> zombahatgmaildotcom



-- 
With best regards,
Matwey V. Kornilov
http://blog.matwey.name
xmpp://0x2...@jabber.ru
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[opensuse-arm] Re: Force to load module in kiwi initrd

[Marcus Schäfer]

Hi,

> We  are facing a problem with our Chromebook image. We need to load 
> (manually) some module to get the display working. WIth dracut, we passed the 
> right option (force_driver+="some modules"), so it is ok on 2nd boot but our 
> 1st boot (with kiwi initrd) still show a black screen because we need to load 
> the modules manually (which are not auto-loaded).
> 
> Does kiwi support such an option?

yes

kiwikernelmodule="a b c"

you can set this at the bootloader commandline or in the kiwi XML

kernelcmdline="kiwikernelmodule='a b c'"

Regards,
Marcus
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Re: [opensuse-arm] Tests of latest images for RPi1

[Freek de Kruijf]

Op dinsdag 1 september 2015 22:31:43 schreef Freek de Kruijf:
> Build336.2 from
> repositories/devel:/ARM:/Factory:/Contrib:/RaspberryPi:/upstream/ boots, the
> SD is partitioned and the resulting system boots. However the Ethernet
> connection does not become active. The lights stay off. I could not find a
> method to list the journal on the SD partition on a system where the SD is
> mounted.

I also tried Build336.3, but that one produces a corrupt ext4 partition like 
earlier images.


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member openSUSE
Freek de Kruijf

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