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Rendering stats crash on FreeBSD with i915.


 
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Michael Danilov
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PostPosted: Sat Dec 22, 2018 2:15 am    Post subject:
Rendering stats crash on FreeBSD with i915.
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OSG crashes when trying to dispay stats more detailed than Frame Rate.
When viewing any .ac model, hit "s" twice. It will draw the detailed stats once and crash immediately.

#0 0x0000000000000000 in ?? ()
#1 0x00000000408a6218 in ARBQuerySupport::beginQuery () from /usr/local/lib/libosgViewer.so.131
#2 0x00000000408ab0de in osgViewer::Renderer::draw () from /usr/local/lib/libosgViewer.so.131
#3 0x0000000041b5d8e1 in osg::GraphicsContext::runOperations () from /usr/local/lib/libosg.so.131
#4 0x0000000041bc3d72 in osg::OperationThread::run () from /usr/local/lib/libosg.so.131
#5 0x0000000041b60eb9 in osg::GraphicsThread::run () from /usr/local/lib/libosg.so.131
#6 0x0000000041f13b09 in OpenThreads::ThreadPrivateActions::StartThread () from /usr/local/lib/libOpenThreads.so.20
#7 0x000000004321ec06 in pthread_create () from /lib/libthr.so.3
#8 0x0000000000000000 in ?? ()

Trace with --SingleThreaded:

#0 0x0000000000000000 in ?? ()
#1 0x00000000408a6228 in ARBQuerySupport::beginQuery () from /usr/local/lib/libosgViewer.so.131
#2 0x00000000408ab86c in osgViewer::Renderer::cull_draw () from /usr/local/lib/libosgViewer.so.131
#3 0x0000000041b5d8e1 in osg::GraphicsContext::runOperations () from /usr/local/lib/libosg.so.131
#4 0x00000000408e2e0b in osgViewer::ViewerBase::renderingTraversals () from /usr/local/lib/libosgViewer.so.131
#5 0x00000000408e1e4c in osgViewer::ViewerBase::run () from /usr/local/lib/libosgViewer.so.131
#6 0x00000000004044f0 in ?? ()
#7 0x0000000000402d95 in ?? ()
#8 0x0000000040629000 in ?? ()
#9 0x0000000000000000 in ?? ()

I noticed this bug when using FlightGear, which crashes when displaying stats as well.

OpenSceneGraph Library 3.4.1
FreeBSD clang version 6.0.0 (tags/RELEASE_600/final 326565) (based on LLVM 6.0.0)
Both i915 kernel modules affected: the one shipped with the kernel and drm-next-kmod.
Both modeset and intel X11 video drivers affected.
FreeBSD-11.2-RELEASE-p4


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