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Description of problem: This is a recurring issue (over 10 times in 2 weeks), where my Mate/X session dies and with a black screen, then I am kicked back to the display manager login screen. I haven't found a definite trigger or specific action that always causes the crash, but it has happened more often than not while I am using remmina (NX plugin) or virt-viewer. The hardware is a Lenovo T530, (2359CTO) [ 0.000000] Reserving Intel graphics stolen memory at 0xdba00000-0xdf9fffff [ 1.693629] [drm] Initialized drm 1.1.0 20060810 [ 1.891932] [drm] Memory usable by graphics device = 2048M [ 1.891935] [drm] Replacing VGA console driver [ 1.898910] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.898921] [drm] Driver supports precise vblank timestamp query. [ 1.925723] [drm] Initialized i915 1.6.0 20150731 for 0000:00:02.0 on minor 0 [ 1.985797] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [ 1.995718] fbcon: inteldrmfb (fb0) is primary device [ 2.238462] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A [ 2.238510] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun [ 2.808145] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device I did experience this issue twice on a Dell Optiplex workstation twice in the November-December timeframe, but I have not seen it on that machine since. Version-Release number of selected component: xorg-x11-server-Xorg-1.18.0-2.fc23 Additional info: reporter: libreport-2.6.4 backtrace_rating: 4 cmdline: /usr/libexec/Xorg -background none :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch crash_function: xf86ScreenToScrn executable: /usr/libexec/Xorg global_pid: 1446 kernel: 4.3.5-300.fc23.x86_64 runlevel: N 5 type: CCpp uid: 0 Truncated backtrace: Thread no. 1 (8 frames) #4 xf86ScreenToScrn at xf86Helper.c:1930 #5 to_sna_from_screen at sna.h:483 #6 to_sna_from_drawable at sna.h:500 #7 sna_composite_rectangles at sna_composite.c:790 #8 ProcRenderFillRectangles at render.c:1427 #9 Dispatch at dispatch.c:430 #10 dix_main at main.c:300 #12 _start
Created attachment 1128707 [details] File: Xorg.0.log.old
Created attachment 1128708 [details] File: backtrace
Created attachment 1128709 [details] File: cgroup
Created attachment 1128710 [details] File: core_backtrace
Created attachment 1128711 [details] File: dso_list
Created attachment 1128712 [details] File: environ
Created attachment 1128713 [details] File: limits
Created attachment 1128714 [details] File: maps
Created attachment 1128715 [details] File: mountinfo
Created attachment 1128716 [details] File: namespaces
Created attachment 1128717 [details] File: open_fds
Created attachment 1128718 [details] File: proc_pid_status
Created attachment 1128719 [details] File: var_log_messages
Similar problem has been detected: Not exactly sure, but this time it was only remmina (nx plugin) and a terminal open... Happened several times within a few minutes too ): reporter: libreport-2.6.4 backtrace_rating: 4 cmdline: /usr/libexec/Xorg -background none :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch crash_function: xf86ScreenToScrn executable: /usr/libexec/Xorg global_pid: 1375 kernel: 4.4.8-300.fc23.x86_64 package: xorg-x11-server-Xorg-1.18.3-2.fc23 reason: Xorg killed by SIGABRT runlevel: N 5 type: CCpp uid: 0
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