Application: kwin (4.8.2 (4.8.2)) KDE Platform Version: 4.8.2 (4.8.2) Qt Version: 4.8.1 Operating System: Linux 3.2.0-24-generic x86_64 Distribution: Ubuntu 12.04 LTS -- Information about the crash: I simply did a reboot as the laptop (HP Pav. G7-1110so lagged down and Kwin crashed IMMEDIATELY during bootup into KDE. The moment the loginscreen became Plasma Desktop, the crash box was there. The crash can be reproduced every time. -- Backtrace: Application: Kwin (kwin), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [KCrash Handler] #6 __memcpy_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1522 #7 0x00007fb64bf5d846 in __indirect_glProgramParameters4fvNV (target=1, index=19994676, num=1341634424, params=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:52 #8 0x00007fb63428e14f in KWin::ARBBlurShader::init (this=0x1311820) at ../../../kwin/effects/blur/blurshader.cpp:471 #9 0x00007fb6342896d9 in KWin::BlurEffect::reconfigure (this=0x13116d0, flags=...) at ../../../kwin/effects/blur/blur.cpp:85 #10 0x00007fb6342899b7 in KWin::BlurEffect::BlurEffect (this=0x13116d0) at ../../../kwin/effects/blur/blur.cpp:53 #11 0x00007fb634289ab6 in KWin::effect_create_kwin4_effect_blur () at ../../../kwin/effects/blur/blur.cpp:34 #12 0x00007fb650056344 in KWin::EffectsHandlerImpl::loadEffect (this=0x12d8010, name=..., checkDefault=false) at ../../kwin/effects.cpp:1199 #13 0x00007fb6500576aa in KWin::EffectsHandlerImpl::reconfigure (this=0x12d8010) at ../../kwin/effects.cpp:196 #14 0x00007fb650057bc8 in KWin::EffectsHandlerImpl::EffectsHandlerImpl (this=0x12d8010, type=<optimized out>) at ../../kwin/effects.cpp:128 #15 0x00007fb65002beef in KWin::Workspace::setupCompositing (this=0x12be7e0) at ../../kwin/composite.cpp:174 #16 0x00007fb65002c845 in KWin::Workspace::setupCompositing (this=<optimized out>) at ../../kwin/composite.cpp:87 #17 0x00007fb64ffc8890 in KWin::Workspace::Workspace (this=0x12be7e0, restore=false) at ../../kwin/workspace.cpp:227 #18 0x00007fb64ffe095c in KWin::Application::Application (this=<optimized out>) at ../../kwin/main.cpp:322 #19 0x00007fb64ffe265c in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../kwin/main.cpp:511 #20 0x00007fb64fbe676d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff73624bd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff73624bc8) at libc-start.c:226 #21 0x0000000000400671 in _start () Possible duplicates by query: bug 297632, bug 284307. Reported using DrKonqi
to workaround disable blur effect *** This bug has been marked as a duplicate of bug 270818 ***