Hi Jean,
The dirty pixels might caused if you're exceeding the max screen size a
configured in your server's xorg.conf. That's one way I've seen that
before. You could run xrandr command to list the available resolutions.
Not sure about 2, but I've used PV 4.0.1 on an system that has 2 gpu's
per node. similar to what you've done. I'm assuming you have an x screen
for each gpu. are you able to run some other x program per gpu? if yes
could you get a stack trace?
Burlen
On 07/16/2013 02:00 PM, Favre Jean wrote:
Hello
I am configuring a new cluster with two GPUs per node. When doing server-side
rendering, I get the following dirty pixels when I increase pixels resolution
beyond a certain threshold. this is using a single GPU per node with a command
like
mpiexec -n 8 -env DISPLAY :0.0 /apps/castor/ParaView/4.0/bin/pvserver -rc
-ch=148.***.***.*** -sp=11111
my PV is compiled with ICET_USE_OPENGL:BOOL=ON. What could cause these dirty
pixels? my driver is libGL.so.319.17
Second problem: I'd really like to use both GPUs. I run (for example)
mpiexec -n 8 -env DISPLAY :0.0 /apps/castor/ParaView/4.0/bin/pvserver -rc
-ch=148.***.***.*** -sp=11111 : -n 8 -env DISPLAY :0.1
/apps/castor/ParaView/4.0/bin/pvserver -rc -ch=148.***.***.*** -sp=11111
and the whole thing crashes right on init with
ERROR: In
/apps/eiger/src/ParaView-v4.0.1-source/VTK/Parallel/Core/vtkSocketCommunicator.cxx,
line 812
vtkSocketCommunicator (0x200d5f390): Could not receive tag. 144432
I have search the ML and the wiki, but most messages refer to tiled displays,
wheras I just want to distribute GPUs over pvservers. What have I forgotten? I
am running 4.0.1.
-----------------
Jean
CSCS
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