~|⇒ ps aux | grep Xorg desrum_m 918 1.2 0.7 302112 57052 tty1 S This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-unknown-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... "/usr/bin/Xorg": not in executable format: File format not recognized Attaching to process 918 Reading symbols from /usr/bin/Xorg.bin...done. warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? Reading symbols from /usr/lib/libdbus-1.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdbus-1.so.3 Reading symbols from /usr/lib/libudev.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libudev.so.1 Reading symbols from /usr/lib/libnettle.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libnettle.so.4 Reading symbols from /usr/lib/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdl.so.2 Reading symbols from /usr/lib/libunwind.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libunwind.so.8 Reading symbols from /usr/lib/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpciaccess.so.0 Reading symbols from /usr/lib/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm.so.2 Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpixman-1.so.0 Reading symbols from /usr/lib/libXfont.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libsystemd.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libsystemd.so.0 Reading symbols from /usr/lib/libxshmfence.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxshmfence.so.1 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /usr/lib/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libm.so.6 Reading symbols from /usr/lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libc.so.6 Reading symbols from /usr/lib/libpthread.so.0...(no debugging symbols found)...done. [New LWP 921] [New LWP 919] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Loaded symbols for /usr/lib/libpthread.so.0 Reading symbols from /usr/lib/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/librt.so.1 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/liblzma.so.5...(no debugging symbols found)...done. Loaded symbols for /usr/lib/liblzma.so.5 Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /usr/lib/libgcrypt.so.20...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgcrypt.so.20 Reading symbols from /usr/lib/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgpg-error.so.0 Reading symbols from /usr/lib/libresolv.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libresolv.so.2 Reading symbols from /usr/lib/libbz2.so.1.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libbz2.so.1.0 Reading symbols from /usr/lib/libpng16.so.16...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpng16.so.16 Reading symbols from /usr/lib/libharfbuzz.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libharfbuzz.so.0 Reading symbols from /usr/lib/libglib-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libglib-2.0.so.0 Reading symbols from /usr/lib/libgraphite2.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgraphite2.so.3 Reading symbols from /usr/lib/libpcre.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpcre.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libglx.so...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libglx.so Reading symbols from /usr/lib/libGL.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libGL.so.1 Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/libglapi.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libglapi.so.0 Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libXdamage.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdamage.so.1 Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfixes.so.3 Reading symbols from /usr/lib/libX11-xcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11-xcb.so.1 Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libxcb-glx.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-glx.so.0 Reading symbols from /usr/lib/libxcb-dri2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-dri2.so.0 Reading symbols from /usr/lib/libxcb-dri3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-dri3.so.0 Reading symbols from /usr/lib/libxcb-present.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-present.so.0 Reading symbols from /usr/lib/libxcb-randr.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-randr.so.0 Reading symbols from /usr/lib/libxcb-xfixes.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-xfixes.so.0 Reading symbols from /usr/lib/libxcb-render.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-render.so.0 Reading symbols from /usr/lib/libxcb-shape.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-shape.so.0 Reading symbols from /usr/lib/libxcb-sync.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb-sync.so.1 Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb.so.1 Reading symbols from /usr/lib/libXxf86vm.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXxf86vm.so.1 Reading symbols from /usr/lib/xorg/modules/drivers/intel_drv.so...done. Loaded symbols for /usr/lib/xorg/modules/drivers/intel_drv.so Reading symbols from /usr/lib/libdrm_intel.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm_intel.so.1 Reading symbols from /usr/lib/xorg/modules/drivers/ati_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/ati_drv.so Reading symbols from /usr/lib/xorg/modules/drivers/radeon_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/radeon_drv.so Reading symbols from /usr/lib/libdrm_radeon.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm_radeon.so.1 Reading symbols from /usr/lib/xorg/modules/libglamoregl.so...done. Loaded symbols for /usr/lib/xorg/modules/libglamoregl.so Reading symbols from /usr/lib/libgbm.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgbm.so.1 Reading symbols from /usr/lib/libepoxy.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libepoxy.so.0 Reading symbols from /usr/lib/libwayland-client.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libwayland-client.so.0 Reading symbols from /usr/lib/libwayland-server.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libwayland-server.so.0 Reading symbols from /usr/lib/libffi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libffi.so.6 Reading symbols from /usr/lib/xorg/modules/dri/radeonsi_dri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/dri/radeonsi_dri.so Reading symbols from /usr/lib/libdrm_nouveau.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm_nouveau.so.2 Reading symbols from /usr/lib/libelf.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libelf.so.1 Reading symbols from /usr/lib/libLLVM-3.5.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libLLVM-3.5.so Reading symbols from /usr/lib/libstdc++.so.6...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /usr/lib/libgcc_s.so.1...done. Loaded symbols for /usr/lib/libgcc_s.so.1 Reading symbols from /usr/lib/libncursesw.so.5...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libncursesw.so.5 Reading symbols from /usr/lib/libtxc_dxtn.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libtxc_dxtn.so Reading symbols from /usr/lib/libEGL.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libEGL.so.1 Reading symbols from /usr/lib/xorg/modules/libfb.so...done. Loaded symbols for /usr/lib/xorg/modules/libfb.so Reading symbols from /usr/lib/xorg/modules/dri/i965_dri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/dri/i965_dri.so Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so Reading symbols from /usr/lib/libmtdev.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libmtdev.so.1 Reading symbols from /usr/lib/libevdev.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libevdev.so.2 Reading symbols from /usr/lib/xorg/modules/input/synaptics_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input/synaptics_drv.so Got object file from memory but can't read symbols: File truncated. 0x00007f408ca21313 in select () from /usr/lib/libc.so.6 (gdb) bt #0 0x00007f408ca21313 in select () from /usr/lib/libc.so.6 #1 0x0000000000590f64 in WaitForSomething (pClientsReady=pClientsReady@entry=0x2b1ddb0) at WaitFor.c:226 #2 0x00000000004375f1 in Dispatch () at dispatch.c:361 #3 0x000000000043b966 in dix_main (argc=8, argv=0x7fff40a3bfe8, envp=) at main.c:296 #4 0x00007f408c960040 in __libc_start_main () from /usr/lib/libc.so.6 #5 0x0000000000425e0e in _start () (gdb) continue Continuing. ^C Program received signal SIGINT, Interrupt. 0x00007f408ca21313 in select () from /usr/lib/libc.so.6 (gdb) continue Continuing. Program received signal SIGSEGV, Segmentation fault. 0x0000000000000000 in ?? () (gdb) bt #0 0x0000000000000000 in ?? () #1 0x00007f40878c7f88 in glyphs_to_dst (sna=sna@entry=0x7f408e822000, op=op@entry=3 '\003', src=src@entry=0x2de0a40, dst=dst@entry=0x2dfa3c0, src_x=-1634, src_x@entry=0, src_y=-234, src_y@entry=0, nlist=, list=, glyphs=) at sna_glyphs.c:731 #2 0x00007f40878cb834 in sna_glyphs (op=, src=0x2de0a40, dst=0x2dfa3c0, mask=0x25325d8, src_x=, src_y=, nlist=1, list=0x7fff40a3b1e0, glyphs=0x7fff40a3b5e0) at sna_glyphs.c:2004 #3 0x000000000051a955 in damageGlyphs (op=, pSrc=0x2de0a40, pDst=0x2dfa3c0, maskFormat=0x25325d8, xSrc=, ySrc=, nlist=1, list=0x7fff40a3b1e0, glyphs=0x7fff40a3b5e0) at damage.c:568 #4 0x0000000000510917 in ProcRenderCompositeGlyphs (client=0x2da5160) at render.c:1390 #5 0x00000000004377d7 in Dispatch () at dispatch.c:432 #6 0x000000000043b966 in dix_main (argc=8, argv=0x7fff40a3bfe8, envp=) at main.c:296 #7 0x00007f408c960040 in __libc_start_main () from /usr/lib/libc.so.6 #8 0x0000000000425e0e in _start () (gdb) continue Continuing. [Thread 0x7f4086fb7700 (LWP 919) exited] [Thread 0x7f408e93b900 (LWP 918) exited] [Inferior 1 (process 918) exited with code 01] (gdb) quit