[mcstas-users] mcgui issue

[Peter Kjær Willendrup]

Hi Uli,


We did see the issue recently working with colleagues at ISIS and actually did an update of the CentOS / RHEL packages a few days ago.
(The situation is identical for both the 2.7 and 3.0 releases.)


So my best bet is that either

1) getting the fresh miniconda3 RPM from http://download.mcstas.org/mcstas-2.7/linux/centos/mcstas-miniconda3-2.7-rpm64.rpm and force-installing it over the existing

or

2) clearing your yum cache using
yum clean all
, and force-reinstalling with
yum reinstall mcstas-miniconda3-2.7

- ought to fix the issue.


Please try this out - and let me know if you are succesful or not.

Best,
Peter


On 12 Feb 2021, at 20.37, Wildgruber, Christoph U. <wildgrubercu at ornl.gov<mailto:wildgrubercu at ornl.gov>> wrote:

Hi,

I ran into a problem with mcgui after an update on a RHEL 7 machine...

The error message is:

[cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ mcgui &
[1] 1072
[cwl at hellerldrd BER_SANS_Phase_II_eng_v1.0]$ Traceback (most recent call last):
File "<string>", line 1, in <module>
ImportError: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /usr/local/mcstas/2.7/miniconda3/lib/python3.8/site-packages/PyQt5/Qsci.abi3.so)


I apologize If this issue came up on the list and I missed it… or the fix is documented somewhere...

Any advice on how to fix that?


Best wishes & many thanks,

Uli

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Peter Kjær Willendrup
Forskningsingeniør, Specialkonsulent
Næstformand for DTU Fysik LSU

DTU Physics


[cid:b6339554-7f28-441d-9f31-5944f811397c at win.dtu.dk]


Technical University of Denmark


[cid:e108e480-fcab-46e2-9531-b38165079572 at win.dtu.dk]



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