i have quite a "standard" suite: [xorg18], [testing], intel-dri, Gnome, Compiz. when active Application Switcher of compiz several times(using Ctrl+Tab) in sequence, X server crashes. What I got in /var/log/Xorg.0.log, seemed to be caused by the intel-dri, is it still lack of stability in X 1.8? [ 32338.970] Backtrace: [ 32338.970] 0: /usr/bin/Xorg (xorg_backtrace+0x3b) [0x80deeab] [ 32338.970] 1: /usr/bin/Xorg (0x8048000+0x63c25) [0x80abc25] [ 32338.970] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb787c40c] [ 32338.971] 3: /usr/lib/xorg/modules/dri/i965_dri.so (0xb6f35000+0x108cf) [0xb6f458cf] [ 32338.971] 4: /usr/lib/xorg/modules/dri/i965_dri.so (0xb6f35000+0x253ec) [0xb6f5a3ec] [ 32338.971] 5: /usr/lib/xorg/modules/dri/i965_dri.so (0xb6f35000+0x254ca) [0xb6f5a4ca] [ 32338.971] 6: /usr/lib/xorg/modules/dri/i965_dri.so (0xb6f35000+0xd3bd1) [0xb7008bd1] [ 32338.971] 7: /usr/lib/xorg/modules/extensions/libglx.so (0xb7489000+0xb06a) [0xb749406a] [ 32338.971] 8: /usr/lib/xorg/modules/extensions/libglx.so (0xb7489000+0x34b05) [0xb74bdb05] [ 32338.971] 9: /usr/lib/xorg/modules/extensions/libglx.so (0xb7489000+0x375cf) [0xb74c05cf] [ 32338.971] 10: /usr/bin/Xorg (0x8048000+0x216df) [0x80696df] [ 32338.971] 11: /usr/bin/Xorg (0x8048000+0x1a485) [0x8062485] [ 32338.971] 12: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb75bab96] [ 32338.971] 13: /usr/bin/Xorg (0x8048000+0x1a071) [0x8062071] [ 32338.971] Segmentation fault at address (nil) [ 32338.971] Fatal server error: [ 32338.971] Caught signal 11 (Segmentation fault). Server aborting [ 32338.971] [ 32338.971] Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 32338.971] Please also check the log file at "/var/log/Xorg.0.log" for additional information. -- Arch Linuxer, Pythoner, Geek --> Blog: http://apt-blog.net