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List:       ltsp-discuss
Subject:    Re: [Ltsp-discuss] New LTSP hangs on boot
From:       Rolf-Werner Eilert <rwe-sse () osnanet ! de>
Date:       2017-11-09 15:29:29
Message-ID: 5A047459.7030803 () osnanet ! de
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Am 09.11.2017 15:22, schrieb Steven Spencer:
> On 11/09/2017 01:27 AM, Rolf-Werner Eilert wrote:
>> Am 08.11.2017 19:42, schrieb Steven Spencer:
>>> On 11/08/2017 10:43 AM, Rolf-Werner Eilert wrote:
>>>> Sorry, I try to keep this alive in the hope someone may have an idea
>>>> that helps me out... Should I really start a third time setting up a
>>>> system from scratch?
>>>>
>>>> One more information: When not booted in debug mode, the clients will
>>>> stop with
>>>>
>>>> [drm:intel_ddi_init [i915]] *ERROR* LTSPCOM init failed on port C
>>>>
>>>> It may not have a relation to the boot stop, but it might show you
>>>> where it stops.
>>>>
>>>> Meanwhile I have tried nearly everything, from unplugging the other
>>>> server to restarting sshd and dnsmasq - to no avail. Really weird!
>>>>
>>>> Rolf
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>>
>>>>
>>>> Check out the vibrant tech community on one of the world's most
>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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>>>>        https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>>>> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>>>>
>>> I'm not sure if this will help or not, but it looks  similar to this
>>> issue: https://bugs.freedesktop.org/show_bug.cgi?id=102295
>>>
>>
>> Yes! Steven, that is exactly what happens here. Seems another kernel
>> or an updated one might be the cure.
>>
>> The thread was from mid October, and the guy was about to go on
>> holiday for two weeks, maybe the patch has not yet been made.
>>
>> I am thinking about trying the older kernel which is running
>> flawlessly here. Do you think it is possible to use it though it
>> doesn't belong to the current distro?
>>
>> Regards
>> Rolf
>>
>>
>> ------------------------------------------------------------------------------
>>
>> Check out the vibrant tech community on one of the world's most
>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>> _____________________________________________________________________
>> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>>       https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>>
> Rolf,
>
> That's a good question and unfortunately I don't have a good answer for
> you there. :/
>

And the answer is: YES! At least, partly...

I swapped the original initrd* files in /srv/tftpboot/boot with those 
from the functioning server - and the client continued to boot. The 
"lspcon" error message still appears, but it doesn't seem to have any 
impact on booting.

Then it tried to mount the image, but instead made a reset and started 
all over. So I swapped the images, too, and now it would correctly boot 
into the image, and I could log in via the client into the GUI. All 
programs seem to be there, though a lot of settings don't apply, of 
course, because it is a different $HOME etc.

It did not boot into 64 bit kernel, no idea why, but at least 32 bit, so 
as a proof of concept it was ok.

So I would ask the maintainers of the kernel for openSuse to look how to 
patch it so I can re-install and go along with it.

If that isn't possible, I would have to copy everything from the 
original system into the new one, including the $HOMEs, some other 
software, all setting files etc. to make the original kernels and images 
run on the new system. Maybe I would be successful, as meanwhile I guess 
I have made tons of notes on how I setup the system, but I guess it 
would be easier to start with a patched kernel... ;)

Regards
Rolf


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