Description of problem: Hi, I activated my switchable graphics on the Lenovo Thinkpad S531 with integrated Intel graphics and AMD 8670 M. Here is what I got from the journal: Apr 11 20:16:56 s531 abrt-hook-ccpp[997]: Saved core dump of pid 798 (/usr/bin/Xorg) to /var/tmp/abrt/ccpp-2014-04-11-20:16:56-798 (24031232 bytes) Apr 11 20:16:56 s531 gdm[512]: Child process 798 was already dead. Apr 11 20:16:56 s531 systemd[1]: Received SIGRTMIN+21 from PID 185 (plymouthd). Apr 11 20:16:56 s531 abrt-server[1042]: Core_Backtrace erstellen Apr 11 20:16:56 s531 abrt-server[1042]: Ablaufverfolgung erstellen Here is a similar bug: http://www.spinics.net/lists/dri-devel/msg53978.html Version-Release number of selected component: xorg-x11-server-Xorg-1.14.4-7.fc20 Additional info: reporter: libreport-2.2.0 backtrace_rating: 4 cmdline: /usr/bin/Xorg :0 -background none -verbose -auth /run/gdm/auth-for-gdm-sj2nfr/database -seat seat0 -nolisten tcp vt1 crash_function: dixGetPrivateAddr executable: /usr/bin/Xorg kernel: 3.14.0 runlevel: unknown type: CCpp uid: 0 Truncated backtrace: Thread no. 1 (7 frames) #4 dixGetPrivateAddr at ../../../include/privates.h:123 #6 dixSetPrivate at ../../../include/privates.h:149 #7 xf86HandleColormaps at xf86cmap.c:184 #8 drmmode_setup_colormap at drmmode_display.c:1990 #9 RADEONScreenInit_KMS at radeon_kms.c:1366 #10 AddGPUScreen at dispatch.c:3891 #11 InitOutput at xf86Init.c:886
Created attachment 885515 [details] File: backtrace
Created attachment 885516 [details] File: cgroup
Created attachment 885517 [details] File: core_backtrace
Created attachment 885518 [details] File: dso_list
Created attachment 885519 [details] File: environ
Created attachment 885520 [details] File: limits
Created attachment 885521 [details] File: maps
Created attachment 885522 [details] File: open_fds
Created attachment 885523 [details] File: proc_pid_status
Created attachment 885524 [details] File: var_log_messages
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