[Triumf-linux-managers] Is your OPENGL broken?

[Frederick Jones]

Hi Konstantin,
Thanks for pointing out this page; I didn't know that
all this information was collected.
Yes, the updates were supposed to stop after February
and in any case the yum service was disabled.
So, I would really like to know how this got in
under the radar and did not even get logged.
Cheers,
Fred

Konstantin Olchanski wrote:
> On Thu, May 03, 2012 at 01:00:34PM -0700, Frederick Jones wrote:
>> Recently the following happened on geant4 and lin26:
> 
> 
> Hi, Fred - I do not think I have any access to geant4 and lin26, but both machines
> still report information to ladd00 at http://ladd00.triumf.ca/triumf_nodeinfo/config.html
> 
> I see that the two machines are running SL4.1 and SL4.2, last updates are shown
> as installed in February.
> 
> As we know, SL4 is no longer supported by anybody (me included) and there are
> no updates issues by RH and SL.
> 
> As I understand the very last updates from SL effectively brought
> all SL4 releases to the level of SL4.9, the last SL4 release from RH.
> 
> So if you again fix the machines by hand, I doubt thay will break again
> by external updates - because there will be none.
> 
> 
> But really, you should retire both double-obsolete (SL4 and no 64-bit support) machines
> and get some current technology hardware running 64-bit SL6. This will
> bring you into the same century as the rest of us.
> 
> (For hardware recommendation, I am presently testing a Intel socket 2011 system,
> similar to what I recommended to AAPS/Geotomo, who have 2 systems running and
> are greatly impressed with the performance).
> 
> 
> K.O.
> 
> 
> 
> 
>> 1. The yum updates were magically turned back on
>>     (previously they were disabled)
>>
>> 2. The faulty x.org distribution was re-installed.
>>
>> 3. There is no record of this in yum.log on either machine.
>>
>> 4. OPENGL is broken again.
>>
>> 5. I had to back out these updates as before
>>     and disable the yum updates again.
>>
>> How can I stop this?
>>
>> Is it something to do with the fact that these systems
>> were built from a TRIUMF kickstart disk and somehow
>> the updates are being forced on them?
>>
>> Or, is it something to do with Scientific Linux?
>>
>> Either way I am not impressed.
>>
>> Cheers,
>> Fred
>>
>> Frederick Jones wrote:
>>> Back in early October, x.org issued a faulty update
>>> to the X11 packages that causes OPENGL applications
>>> to fail, at least on three SL 4.x systems here at
>>> TRIUMF.  The fault is apparently with the X server
>>> itself (file "Xorg").  The fix I used was to back up to the
>>> previous rpms:
>>>
>>> xorg-x11-6.8.2-1.EL.69.i386.rpm
>>> xorg-x11-Xdmx-... etc.
>>>      -x11-Xnest-
>>>      -x11-Xvfb-
>>>
>>> I am not sure if this affects any SL 5.X or 6.x systems
>>> but would be curious to find out.
>>>
>>> If you have a desktop Linux machine, you can check it
>>> by running "glxgears".  With the faulty X server it will
>>> fail with an X protocol error.  If it works you will see
>>> some spinning gears in a small window.
>>> Also you can check the date on the file Xorg and see if
>>> it was updated on around October 6 or so.
>>>
>>> Cheers,
>>> Fred
>>> _______________________________________________
>>> Triumf-linux-managers mailing list
>>> Triumf-linux-managers at lists.triumf.ca
>>> http://lists.triumf.ca/mailman/listinfo/triumf-linux-managers
>>>
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