*** glibc detected *** ./glx-multithread-shader-compile: free(): invalid next size (fast): 0xb5f0a6a0 *** ======= Backtrace: ========= /lib/libc.so.6[0x4dd1f8c9] /opt/X11R7/lib/libxcb.so.1(xcb_get_maximum_request_length+0xb1)[0xb7330921] /opt/X11R7/lib/libX11.so.6(XOpenDisplay+0x92e)[0xb7548e2e] /GFX/Test/Piglit/piglit/lib/libpiglitglxutil.so(piglit_get_glx_display+0x1e)[0xb7702be2] ./glx-multithread-shader-compile[0x8048abf] /lib/libpthread.so.0[0x4de6badf] /lib/libc.so.6(clone+0x5e)[0x4dd9e44e] ======= Memory map: ======== 08048000-0804a000 r-xp 00000000 08:02 6850136 /GFX/Test/Piglit/piglit/bin/glx-multithread-shader-compile 0804a000-0804b000 rw-p 00001000 08:02 6850136 /GFX/Test/Piglit/piglit/bin/glx-multithread-shader-compile 084be000-084df000 rw-p 00000000 00:00 0 [heap] 42020000-42024000 r-xp 00000000 08:02 560555 /usr/lib/libXxf86vm.so.1.0.0 42024000-42025000 r--p 00003000 08:02 560555 /usr/lib/libXxf86vm.so.1.0.0 42025000-42026000 rw-p 00004000 08:02 560555 /usr/lib/libXxf86vm.so.1.0.0 42028000-4202d000 r-xp 00000000 08:02 537977 /usr/lib/libXdmcp.so.6.0.0 4202d000-4202e000 r--p 00004000 08:02 537977 /usr/lib/libXdmcp.so.6.0.0 4202e000-4202f000 rw-p 00005000 08:02 537977 /usr/lib/libXdmcp.so.6.0.0 47a00000-47a70000 r-xp 00000000 08:02 5248655 /opt/X11R7.unstable.2013-07-15/lib/libGLU.so.1.3.071100 47a70000-47a71000 r--p 0006f000 08:02 5248655 /opt/X11R7.unstable.2013-07-15/lib/libGLU.so.1.3.071100 47a71000-47a72000 rw-p 00070000 08:02 5248655 /opt/X11R7.unstable.2013-07-15/lib/libGLU.so.1.3.071100 4dc87000-4dca6000 r-xp 00000000 08:02 561239 /usr/lib/ld-2.15.so 4dca6000-4dca7000 r--p 0001e000 08:02 561239 /usr/lib/ld-2.15.so 4dca7000-4dca8000 rw-p 0001f000 08:02 561239 /usr/lib/ld-2.15.so 4dcaa000-4de55000 r-xp 00000000 08:02 561424 /usr/lib/libc-2.15.so 4de55000-4de56000 ---p 001ab000 08:02 561424 /usr/lib/libc-2.15.so 4de56000-4de58000 r--p 001ab000 08:02 561424 /usr/lib/libc-2.15.so 4de58000-4de59000 rw-p 001ad000 08:02 561424 /usr/lib/libc-2.15.so 4de59000-4de5c000 rw-p 00000000 00:00 0 4de5e000-4de61000 r-xp 00000000 08:02 561428 /usr/lib/libdl-2.15.so 4de61000-4de62000 r--p 00002000 08:02 561428 /usr/lib/libdl-2.15.so 4de62000-4de63000 rw-p 00003000 08:02 561428 /usr/lib/libdl-2.15.so 4de65000-4de7b000 r-xp 00000000 08:02 561440 /usr/lib/libpthread-2.15.so 4de7b000-4de7c000 r--p 00015000 08:02 561440 /usr/lib/libpthread-2.15.so 4de7c000-4de7d000 rw-p 00016000 08:02 561440 /usr/lib/libpthread-2.15.so 4de7d000-4de7f000 rw-p 00000000 00:00 0 4de81000-4deaa000 r-xp 00000000 08:02 561500 /usr/lib/libm-2.15.so 4deaa000-4deab000 r--p 00029000 08:02 561500 /usr/lib/libm-2.15.so 4deab000-4deac000 rw-p 0002a000 08:02 561500 /usr/lib/libm-2.15.so 4deae000-4deb5000 r-xp 00000000 08:02 545063 /usr/lib/librt-2.15.so 4deb5000-4deb6000 r--p 00006000 08:02 545063 /usr/lib/librt-2.15.so 4deb6000-4deb7000 rw-p 00007000 08:02 545063 /usr/lib/librt-2.15.so 4e038000-4e054000 r-xp 00000000 08:02 561445 /usr/lib/libgcc_s-4.7.0-20120507.so.1 4e054000-4e055000 rw-p 0001b000 08:02 561445 /usr/lib/libgcc_s-4.7.0-20120507.so.1 4e252000-4e332000 r-xp 00000000 08:02 561502 /usr/lib/libstdc++.so.6.0.17 4e332000-4e336000 r--p 000e0000 08:02 561502 /usr/lib/libstdc++.so.6.0.17 4e336000-4e337000 rw-p 000e4000 08:02 561502 /usr/lib/libstdc++.so.6.0.17 4e337000-4e33e000 rw-p 00000000 00:00 0 4e340000-4e344000 r-xp 00000000 08:02 560608 /usr/lib/libXfixes.so.3.1.0 4e344000-4e345000 r--p 00003000 08:02 560608 /usr/lib/libXfixes.so.3.1.0 4e345000-4e346000 rw-p 00004000 08:02 560608 /usr/lib/libXfixes.so.3.1.0 4eb6e000-4eb70000 r-xp 00000000 08:02 560610 /usr/lib/libXdamage.so.1.1.0 4eb70000-4eb71000 r--p 00001000 08:02 560610 /usr/lib/libXdamage.so.1.1.0 4eb71000-4eb72000 rw-p 00002000 08:02 560610 /usr/lib/libXdamage.so.1.1.0 4ee63000-4ee71000 r-xp 00000000 08:02 547656 /usr/lib/libudev.so.0.13.1 4ee71000-4ee72000 r--p 0000d000 08:02 547656 /usr/lib/libudev.so.0.13.1 4ee72000-4ee73000 rw-p 00000000 00:00 0 b5f00000-b5f21000 rw-p 00000000 00:00 0 b5f21000-b6000000 ---p 00000000 00:00 0 b6100000-b6121000 rw-p 00000000 00:00 0 b6121000-b6200000 ---p 00000000 00:00 0 b62fe000-b62ff000 ---p 00000000 00:00 0 b62ff000-b6aff000 rw-p 00000000 00:00 0 [stack:1991] b6aff000-b6b00000 ---p 00000000 00:00 0 b6b00000-b7304000 rw-p 00000000 00:00 0 [stack:1990] b7304000-b7306000 r-xp 00000000 08:02 5248890 /opt/X11R7.unstable.2013-07-15/lib/libxcb-shape.so.0.0.0 b7306000-b7307000 rw-p 00002000 08:02 5248890 /opt/X11R7.unstable.2013-07-15/lib/libxcb-shape.so.0.0.0 b7307000-b730f000 r-xp 00000000 08:02 5248878 /opt/X11R7.unstable.2013-07-15/lib/libxcb-render.so.0.0.0 b730f000-b7310000 rw-p 00008000 08:02 5248878 /opt/X11R7.unstable.2013-07-15/lib/libxcb-render.so.0.0.0 b7310000-b7316000 r-xp 00000000 08:02 5248907 /opt/X11R7.unstable.2013-07-15/lib/libxcb-xfixes.so.0.0.0 b7316000-b7317000 rw-p 00005000 08:02 5248907 /opt/X11R7.unstable.2013-07-15/lib/libxcb-xfixes.so.0.0.0 b7317000-b7318000 rw-p 00000000 00:00 0 b7318000-b7324000 r-xp 00000000 08:02 5248719 /opt/X11R7.unstable.2013-07-15/lib/libdrm.so.2.4.0 b7324000-b7325000 rw-p 0000c000 08:02 5248719 /opt/X11R7.unstable.2013-07-15/lib/libdrm.so.2.4.0 b7325000-b7327000 r-xp 00000000 08:02 5248672 /opt/X11R7.unstable.2013-07-15/lib/libXau.so.6.0.0 b7327000-b7328000 rw-p 00001000 08:02 5248672 /opt/X11R7.unstable.2013-07-15/lib/libXau.so.6.0.0 b7328000-b7348000 r-xp 00000000 08:02 5248926 /opt/X11R7.unstable.2013-07-15/lib/libxcb.so.1.1.0 b7348000-b7349000 rw-p 0001f000 08:02 5248926 /opt/X11R7.unstable.2013-07-15/lib/libxcb.so.1.1.0 b7349000-b734a000 rw-p 00000000 00:00 0 b734a000-b734e000 r-xp 00000000 08:02 5248842 /opt/X11R7.unstable.2013-07-15/lib/libxcb-dri2.so.0.0.0 b734e000-b734f000 rw-p 00003000 08:02 5248842 /opt/X11R7.unstable.2013-07-15/lib/libxcb-dri2.so.0.0.0 b734f000-b7365000 r-xp 00000000 08:02 5248849 /opt/X11R7.unstable.2013-07-15/lib/libxcb-glx.so.0.0.0 b7365000-b7366000 rw-p 00016000 08:02 5248849 /opt/X11R7.unstable.2013-07-15/lib/libxcb-glx.so.0.0.0 b7366000-b7367000 r-xp 00000000 08:02 5248664 /opt/X11R7.unstable.2013-07-15/lib/libX11-xcb.so.1.0.0 b7367000-b7368000 rw-p 00000000 08:02 5248664 /opt/X11R7.unstable.2013-07-15/lib/libX11-xcb.so.1.0.0 b7368000-b7369000 rw-p 00000000 00:00 0 b7369000-b7379000 r-xp 00000000 08:02 5248675 /opt/X11R7.unstable.2013-07-15/lib/libXext.so.6.4.0 b7379000-b737a000 rw-p 00010000 08:02 5248675 /opt/X11R7.unstable.2013-07-15/lib/libXext.so.6.4.0 b737a000-b7396000 r-xp 00000000 08:02 5248731 /opt/X11R7.unstable.2013-07-15/lib/libglapi.so.0.0.0 b7396000-b7398000 rw-p 0001b000 08:02 5248731 /opt/X11R7.unstable.2013-07-15/lib/libglapi.so.0.0.0 b7398000-b7399000 rw-p 00000000 00:00 0 b7399000-b73b5000 r-xp 00000000 08:02 5248647 /opt/X11R7.unstable.2013-07-15/lib/libEGL.so.1.0.0 b73b5000-b73b6000 rw-p 0001b000 08:02 5248647 /opt/X11R7.unstable.2013-07-15/lib/libEGL.so.1.0.0 b73b6000-b73c3000 r-xp 00000000 08:02 5248809 /opt/X11R7.unstable.2013-07-15/lib/libwaffle-1.so.0.2.75 b73c3000-b73c4000 rw-p 0000c000 08:02 5248809 /opt/X11R7.unstable.2013-07-15/lib/libwaffle-1.so.0.2.75 b73c4000-b73c5000 rw-p 00000000 00:00 0 b73c5000-b73c7000 r-xp 00000000 08:02 6859347 /GFX/Test/Piglit/piglit/lib/libpiglitutil.so b73c7000-b73c8000 rw-p 00001000 08:02 6859347 /GFX/Test/Piglit/piglit/lib/libpiglitutil.so b73c8000-b74ed000 r-xp 00000000 08:02 6859337 /GFX/Test/Piglit/piglit/lib/libpiglitutil_gl.so b74ed000-b74f9000 rw-p 00124000 08:02 6859337 /GFX/Test/Piglit/piglit/lib/libpiglitutil_gl.so b751e000-b751f000 rw-p 00000000 00:00 0 b751f000-b7651000 r-xp 00000000 08:02 5248668 /opt/X11R7.unstable.2013-07-15/lib/libX11.so.6.3.0 b7651000-b7655000 rw-p 00131000 08:02 5248668 /opt/X11R7.unstable.2013-07-15/lib/libX11.so.6.3.0 b7655000-b7656000 rw-p 00000000 00:00 0 b7656000-b76b3000 r-xp 00000000 08:02 5248649 /opt/X11R7.unstable.2013-07-15/lib/libGL.so.1.2.0 b76b3000-b76b5000 rw-p 0005d000 08:02 5248649 /opt/X11R7.unstable.2013-07-15/lib/libGL.so.1.2.0 b76b5000-b77c7000 r-xp 00000000 08:02 6859346 /GFX/Test/Piglit/piglit/lib/libpiglitglxutil.so b77c7000-b77d2000 rw-p 00112000 08:02 6859346 /GFX/Test/Piglit/piglit/lib/libpiglitglxutil.so b77d2000-b77d3000 rw-p 00000000 00:00 0 b77d3000-b77d4000 r-xp 00000000 00:00 0 [vdso] bff68000-bff89000 rw-p 00000000 00:00 0 [stack] Aborted (core dumped)