This seems to happen here when compiz tries to create an empty texture (0x0), see bt at http://pastebin.ubuntu.com/7027036/
Some highlights: #9 0x00007fbfc0f16429 in unity::compiz_utils::PixmapTexture::PixmapTexture (this=0x227a968, w=0, h=0) at /home/marco/Dev/unity/trunk/unity-shared/CompizUtils.cpp:115 The text buffer has random geometries at this point: #2 drisw_update_tex_buffer (drawable=<optimized out>, ctx=<optimized out>, res=<optimized out>) at ../../../../../../../src/gallium/state_trackers/dri/sw/drisw.c:320 dPriv = <optimized out> st_ctx = <optimized out> pipe = 0xc33200 transfer = 0x2dd5490 x = 36615400 y = 0 w = -711233149 h = 32703 ximage_stride = 1450034700 line = 32702 cpp = <optimized out> -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1055166 Title: compiz crashed with SIGSEGV in memmove() from drisw_update_tex_buffer() from dri_set_tex_buffer2() from operator() from compiz::opengl::bindTexImageGLX() from ... from unity::UnityWindow::DrawWindowDecoration To manage notifications about this bug go to: https://bugs.launchpad.net/mesa/+bug/1055166/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp