** Description changed:

+ [ Impact ]
+ 
+ Unity ramdomly crashes when hovering a tooltip or opening a quicklist
+ 
+ [ Test case ]
+ 
+ 1. Hover a launcher icon
+ 2. Open a quicklist or wait for the tooltips
+ 3. Unity should never crash during such operation
+ 
+ [ Possible regression ]
+ 
+ The view might be opened without blurring background, but still better
+ than crashing.
+ 
+ ----------
+ 
  no further info available.
  
- ProblemType: Crash
- DistroRelease: Ubuntu 14.04
+ ProblemType: CrashDistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140305-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar  9 17:35:59 2014
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2014-03-09 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140308)
  ProcCmdline: compiz
  SegvAnalysis:
-  Segfault happened at: 0x7f0e5abf2cdf 
<_ZN3nux14GraphicsEngine23QRP_GLSL_GetBlurTextureEiiiiNS_9ObjectPtrINS_18IOpenGLBaseTextureEEERNS_13TexCoordXFormERKNS_5color5ColorEfi+63>:
     mov    0x88(%rcx),%edx
-  PC (0x7f0e5abf2cdf) ok
-  source "0x88(%rcx)" (0x00000088) not located in a known VMA region (needed 
readable region)!
-  destination "%edx" ok
+  Segfault happened at: 0x7f0e5abf2cdf 
<_ZN3nux14GraphicsEngine23QRP_GLSL_GetBlurTextureEiiiiNS_9ObjectPtrINS_18IOpenGLBaseTextureEEERNS_13TexCoordXFormERKNS_5color5ColorEfi+63>:
     mov    0x88(%rcx),%edx
+  PC (0x7f0e5abf2cdf) ok
+  source "0x88(%rcx)" (0x00000088) not located in a known VMA region (needed 
readable region)!
+  destination "%edx" ok
  SegvReason: reading NULL VMA
- Signal: 11
- SourcePackage: unity
+ Signal: 11SourcePackage: unity
  StacktraceTop:
-  nux::GraphicsEngine::QRP_GLSL_GetBlurTexture(int, int, int, int, 
nux::ObjectPtr<nux::IOpenGLBaseTexture>, nux::TexCoordXForm&, nux::color::Color 
const&, float, int) () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
-  nux::GraphicsEngine::QRP_GetBlurTexture(int, int, int, int, 
nux::ObjectPtr<nux::IOpenGLBaseTexture>, nux::TexCoordXForm&, nux::color::Color 
const&, float, int) () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
-  unity::CairoBaseWindow::Draw(nux::GraphicsEngine&, bool) () from 
/usr/lib/compiz/libunityshell.so
-  unity::Tooltip::Draw(nux::GraphicsEngine&, bool) () from 
/usr/lib/compiz/libunityshell.so
-  nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from 
/usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
+  nux::GraphicsEngine::QRP_GLSL_GetBlurTexture(int, int, int, int, 
nux::ObjectPtr<nux::IOpenGLBaseTexture>, nux::TexCoordXForm&, nux::color::Color 
const&, float, int) () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
+  nux::GraphicsEngine::QRP_GetBlurTexture(int, int, int, int, 
nux::ObjectPtr<nux::IOpenGLBaseTexture>, nux::TexCoordXForm&, nux::color::Color 
const&, float, int) () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
+  unity::CairoBaseWindow::Draw(nux::GraphicsEngine&, bool) () from 
/usr/lib/compiz/libunityshell.so
+  unity::Tooltip::Draw(nux::GraphicsEngine&, bool) () from 
/usr/lib/compiz/libunityshell.so
+  nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from 
/usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
  Title: compiz crashed with SIGSEGV in 
nux::GraphicsEngine::QRP_GLSL_GetBlurTexture()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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https://bugs.launchpad.net/bugs/1290056

Title:
  [ati]compiz crashed with SIGSEGV in
  nux::GraphicsEngine::QRP_GLSL_GetBlurTexture()

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