1 Feb
2025
1 Feb
'25
5:52 a.m.
On Fri, 31 Jan 2025, Gianluca Interlandi via tde-users wrote:
On Fri, 31 Jan 2025, David C. Rankin via tde-users
wrote:
Thanks! I did not pay close attention as in the past (a long time ago) there
was a X11 configuration file in /etc/X11 and I thought Felix meant that one.
I have uploaded Xorg.0.log files before and after the flashing screen:
http://artemide.bioeng.washington.edu/Files/Alseid/
There is no difference. Also, it may be an issue with memory bandwidth of
this particular card? It is a Intel 965GM. I use VMD for molecular
representation. If I choose to represent all atoms as spheres (instead of
just dots), then the screen flashes and VMD crashes. If I represent only a
small number of atoms as spheres, then it is fine.
It if helps, here is the output from the program VMD that I use for molecular
visualization:
http://artemide.bioeng.washington.edu/Files/Alseid/vmd_output.txt
As a comparison, here is the output of VMD with an NVIDIA video card:
http://artemide.bioeng.washington.edu/Files/Alseid/vmd_output_nvidia.txt
One difference is that "MSAA(16)" is missing for the intel video card.
This could be the reason why some 3D representations of atoms look rougher
with the intel GPU than with NVIDIA.
Gianluca
On 1/30/25 6:03 PM, Gianluca Interlandi via
tde-users wrote:
There is
no Xorg.0.log file. Can I or should I create one?
/var/log/Xorg.0.log Otherwise, the video card seems to work fine. I can
watch movies on youtube,
but if I select a fullscreen representation, then the video output gets slow
although the sound plays fine.
Thanks!
Gianluca
-----------------------------------------------------
Gianluca Interlandi, PhD gianluca(a)u.washington.edu
+1 (206) 685 4435
http://gianluca.today/research/
Department of Bioengineering
University of Washington, Seattle WA U.S.A.
-----------------------------------------------------
It is created automatically on X startup. The
prior log is:
/var/log/Xorg.0.log.old
--
David C. Rankin, J.D.,P.E.
-----------------------------------------------------
Gianluca Interlandi, PhD gianluca(a)u.washington.edu
+1 (206) 685 4435
https://urldefense.com/v3/__http://gianluca.today/research/__;!!K-Hz7m0Vt54…
Department of Bioengineering
University of Washington, Seattle WA U.S.A.
-----------------------------------------------------
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