On 10/10/2016 08:42 AM, Carsten Haitzler (The Rasterman) wrote:
> On Sun, 9 Oct 2016 17:58:05 -0700 Eric <eri...@cox.net> said:
>
>> On 10/09/2016 04:22 PM, Carsten Haitzler (The Rasterman) wrote:
>>> On Sun, 9 Oct 2016 13:24:34 -0700 Eric <eri...@cox.net> said:
>>>
>>>> On 10/08/2016 05:06 PM, Carsten Haitzler (The Rasterman) wrote:
>>>>> On Sat, 8 Oct 2016 09:59:27 -0700 Eric <eri...@cox.net> said:
>>>>>
>>>>>> On 10/08/2016 02:33 AM, Simon Lees wrote:
>>>>>>>
>>>>>>>
>>>>>>> On 10/08/2016 06:25 PM, Eric wrote:
>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> Thank you Simon,
>>>>>>>>
>>>>>>>> I was able to get it working using the repository.  I did find out that
>>>>>>>> the problem was with the new NVIDIA driver that I have to choose
>>>>>>>> software rendering instead of OpenGL.  With OpenGL I just get the mouse
>>>>>>>> cursor icon displaying with nothing else.  Using software rendering
>>>>>>>> makes my desktop a little sluggish on this machine.
>>>>>>>>
>>>>>>>> I am going to see if I can role back the NVIDIA update somehow.  My
>>>>>>>> google search has not led me with the right info on how to do that yet
>>>>>>>> on openSUSE.
>>>>>>>>
>>>>>>>> Eric Meddleton
>>>>>>>>
>>>>>>>
>>>>>>> Updates should remain available, so if you go to yast search for NVIDIA
>>>>>>> in the software manager, there should be a version tab that you can use
>>>>>>> to roll back.
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> Unfortunately, the previous version for NVIDIA is not available in yast,
>>>>>> just the version I have installed and the i586 version.  (But that is
>>>>>> getting into openSUSE territory and not really applicable to e-users
>>>>>> discussion.)
>>>>>>
>>>>>> Now that I remember, I had a similar situation on a different machine
>>>>>> with Arch linux a year or so ago.  That machine had a NVIDIA GeForce
>>>>>> GTX570 card.  I have just lived with the software rendering on that
>>>>>> machine without any noticeable difference maybe due to it having an
>>>>>> intel i7 processor.  No updates on NVIDIA or enlightenment and the ELF
>>>>>> libraries  has helped  since then and the downgrade would have meant
>>>>>> also downgrading the kernel so I just let it go.  It may just need to be
>>>>>> re-installed to get it all sorted out and I just have not wanted to try
>>>>>> that yet. :-)
>>>>>>
>>>>>> The machine in question now only has an AMD Athlon(tm) 64 X2 Dual Core
>>>>>> Processor 5600+ and is getting a little old.  I will try updating
>>>>>> openSUSE to the next version to see how that goes.
>>>>>>
>>>>>> Thank you very much for your help.
>>>>>
>>>>> hmmm i wonder if it's the shader cache? try
>>>>>
>>>>> rm -rf ~/.cache/evas*
>>>>>
>>>>>
>>>>
>>>> Wow,
>>>>
>>>> This was what was wrong with my Arch linux install all along.  I deleted
>>>> the .cache files and now I have openGL working again on that system.
>>>>
>>>> Thank you very much,
>>>>
>>>> Eric Meddleton
>>>
>>> interesting. what gpu/driver? we use the string info from the gl driver
>>> (vendor, renderer and version), and this should lead to a different file in
>>> in the cache directory if these strings change. also we use the efl version
>>> there too. so any upgrade of efl will result in a new shader cache being
>>> generated as will any change from the driver. we kind of expect the gl
>>> driver to change its renderer/vendor/version strings should anything change
>>> in the driver that would affect the binary shaders we cache. if the driver
>>> doesn't do this i'd be inclined to file a bug report with the driver
>>> author/maintainer as i really don't know of another mechanism to know that
>>> the cached binary shaders are still usable. the efl version changes because
>>> we may change shaders between versions (the source) so this should handle
>>> that. the only case that will possibly be an issue is "during development"
>>> when we are working on git master
>>> - if a shader changes indeed our version will not have changed and you want
>>> to nuke the shader cache manually. this is only relevant for developers or
>>> those tracking git master. we are geared to producing a clean release so
>>> things can be a bit dirty during development.
>>>
>>> for example here are some of the files in 2 of my shader caches locally:
>>>
>>>  8:13AM ~ > ls ~/.cache/evas_gl_common_caches
>>> total 24K
>>> 4.0K 'NVIDIA Corporation::4.5.0 NVIDIA 367.35::GeForce GTX
>>> 970PCIeSSE2::v-1.18.0::binary_shader.eet' 4.0K 'NVIDIA Corporation::4.5.0
>>> NVIDIA 367.35::GeForce GTX 970PCIeSSE2::v-1.18.0::surface_cap.eet' 4.0K
>>> 'NVIDIA Corporation::4.5.0 NVIDIA 367.35::GeForce GTX
>>> 970PCIeSSE2::v-1.18.99::binary_shader.eet' 4.0K 'NVIDIA Corporation::4.5.0
>>> NVIDIA 367.35::GeForce GTX 970PCIeSSE2::v-1.18.99::surface_cap.eet' 4.0K
>>> 'NVIDIA Corporation::4.5.0 NVIDIA 370.28::GeForce GTX
>>> 970PCIeSSE2::v-1.18.99::binary_shader.eet' 4.0K 'NVIDIA Corporation::4.5.0
>>> NVIDIA 370.28::GeForce GTX 970PCIeSSE2::v-1.18.99::surface_cap.eet'
>>>
>>> @  8:20AM ~ > ls ~/.cache/evas_gl_common_caches
>>>
>>> total 52K
>>> 4.0K 'Intel Open Source Technology Center::3.0 Mesa 11.0.5::Mesa DRI Intel
>>> (R) Haswell Mobile ::v-1.16.99::surface_cap.eet' 4.0K 'Intel Open Source
>>> Technology Center::3.0 Mesa 11.1.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.17.0::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.1.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.17.99::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.1.2::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.17.99::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.1.2::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.17.99::surface_cap.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.2.2::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.17.99::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.2.2::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.0::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 11.2.2::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.0::surface_cap.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 12.0.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.0::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 12.0.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.0::surface_cap.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 12.0.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.99::binary_shader.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 12.0.1::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.99::surface_cap.eet' 4.0K 'Intel Open Source Technology
>>> Center::3.0 Mesa 12.0.3::Mesa DRI Intel(R) Haswell
>>> Mobile ::v-1.18.99::binary_shader.eet'
>>>
>>> the ::'s are the delimiters between string fields used. we do sanitize the
>>> strings coming from the driver strings and remove the / char if there. :)
>>> we could remove more, but haven't seen a need to yet.
>>>
>>> also note - these caches exist for good reasons. compiling shaders is not
>>> that cheap if you have to do it every time your process starts. also
>>> querying surface info isn't that cheap either, s that is why we cache it as
>>> its far cheaper to load and decompress a pre compiled etc. shader than it
>>> is to recompile them.
>>>
>>
>> I am using the NVIDIA GeForce GTX-570 card.  It is a PCIe/SSE2 type.
>> The driver is NVIDIA version 370.28 using the arch linux repositories.
>>
>> The version seems a little weird after looking at NVIDIA's website as
>> they show the latest version at 367.44 unless I am looking at it wrong.
>>
>> Now I just have two files in my ~/.cache/evas_gl_common_caches
>> directory.  They are:
>>
>> NVIDIA Corporaton::4.5.0 NVIDIA 370.28::GeForce GTX
>> 570PCleSSE2::v-1.18.0::binary_shader.eet
>> and
>>
>> NVIDIA Corporaton::4.5.0 NVIDIA 370.28::GeForce GTX
>> 570PCleSSE2::v-1.18.0::surface_cap.eet
>>
>> I don't remember what the old files were but there was about 6 - 8 files
>> with some as old as June 2016 if I remember correctly.
>>
>> Kind regards,
>>
>> Eric Meddleton
>
> very very odd. nvidia version their strings pretty well, as does mesa... i
> really am not sure why this would be a problem? hmmm.
>
>

It is probably an operator error of some kind. ;-)

I am still learning a lot about Arch Linux.

I do enjoy using enlightenment desktop and do not want to use something 
different so I try to get it running on any machines that I may have to use.


Kind regards,

Eric Meddleton


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