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Problem with the renderer windows in unity 5.18.0. Appeared after the upgrade
to xorg 1.13.0. SNA mode is enabled. If you enable the UXA is not a problem.
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hardware info:
lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
Arch: X86-64
Vendor: "GenuineIntel"
Model: 6.42.7 "Intel(R) Core(TM) i3-2350M CPU @ 2.30GHz"
Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,dts,acpi,mmx,fxsr,sse,sse2,ss,ht,tm,pbe,syscall,nx,rdtscp,lm,constant_tsc,arch_perfmon,pebs,bts,rep_good,nopl,xtopology,nonstop_tsc,aperfmperf,pni,pclmulqdq,dtes64,monitor,ds_
Clock: 1600 MHz
BogoMips: 4590.07
Cache: 3072 kb
Units/Processor: 16
Config Status: cfg=new, avail=yes, need=no, active=unknown
glxinfo
name of display: :0.0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile
OpenGL version string: 3.0 Mesa 9.0.2
OpenGL shading language version string: 1.30
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment sna unity xorg
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problem with rendering xorg 1.13.0 unity 5.18.0 SNA
https://bugs.launchpad.net/bugs/1155365
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