Hi,
I occasionally have issues with X11 and multi-threading osg viewer where I get
Xlib: unexpected async replay ...
It happens on window resizes sometimes. X11 is not thread safe and requires
some locking, but osg doesn't seem to do any of that. Has no one seen this
problem?
Thank you!
Hi David,
David Guthrie writes:
X11 is not thread safe and requires some locking, but osg doesn't seem
to do any of that. Has no one seen this problem?
OSG calls XInitThreads(), see
src/osgViewer/GraphicsWindowX11.cpp:1911. Nevertheless, I don't know if
this is enough, as the manpage
Hmm, it's if 0 out in 2.8. I'm not using 3.0 yet. Does 3.0 have it enabled.
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David Guthrie writes:
Hmm, it's if 0 out in 2.8. I'm not using 3.0 yet. Does 3.0 have it enabled.
Oh, yes, you are right. It's disabled here too.
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Okay, I just added XInitThreads() to my app and that seems to help, but that's
kind of a problem that it's not called by default.
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Hi JP,
I had similar problem on 2.8.x, your code doesn't compile for me but
have your tried
wrapping the cursor stuff with
viewer.stopThreading();
..
viewer.startThreading();
/Per
On 26 May 2011 15:40, J.P. Delport jpdelp...@csir.co.za wrote:
Hi all,
the attached little app crashes if I
Hi Per,
On 30/05/11 09:37, Per Nordqvist wrote:
Hi JP,
I had similar problem on 2.8.x, your code doesn't compile for me but
have your tried
wrapping the cursor stuff with
viewer.stopThreading();
..
viewer.startThreading();
hmm, your suggestion works. I didn't realize that viewer.realize()
Hi J.P, et. al,
I have tracked down and fixed the setCursor() crash issue ;-)
The problem occurred because of subtle timing issue with the
GraphicsContext::_threadOfLastMakeCurrent variable in the
GraphicsContext::makeCurrent() and how this variable is used in the
Hi Robert,
On 30/05/11 11:36, Robert Osfield wrote:
Hi J.P, et. al,
I have tracked down and fixed the setCursor() crash issue ;-)
The problem occurred because of subtle timing issue with the
GraphicsContext::_threadOfLastMakeCurrent variable in the
GraphicsContext::makeCurrent() and how this
Hi all,
the attached little app crashes if I don't run it with --SingleThreaded.
Can anyone on Linux check if the same happens for them? Also let me know
your OSG version.
./test cow.osg
thanks
jp
PS. adding a frame() call before the cursor change also seems to work
for the default
J.P. Delport writes:
Can anyone on Linux check if the same happens for them? Also let me
know your OSG version.
I happens the same for me (always blocks or segfaults in several ways)
if I don't use --SingleThreaded. OSG version 2.9.14.
--
Alberto
Hi J.P,
I have backlog of submissions to tackle and not too much X11 exertise
to through at the problem so for now I'll hang back from exploring
this issue and let yourself and the rest of the community see if you
can devine what the issue is.
This problem does sound vaguely familiar though, I
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