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For a while now (about a month, I think), X seems to crash after suspend/resume and I end up back on the GDM login screen.
The problem is intermittent, but I'd say it happens about 50% of the time. As can be seen in the log below, after a while a new gdm-x-session replaces the one that was running before suspend.
Any ideas? I'm stuck.
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:77
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:78
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 226:0
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:68
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:64
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:79
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:67
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:65
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got pause for 13:66
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) config/udev: removing device X10 WTI RF receiver mouse
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) evdev: X10 WTI RF receiver mouse: Close
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) UnloadModule: "evdev"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: releasing fd for 13:78
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (EE) systemd-logind: failed to release device: Did not receive a reply. Possible causes include: the remote application did not send a reply, the messag
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:77
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: Failed to close file descriptor: Could not close fd 23
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 226:0
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): Setting mode "nvidia-auto-select+0+0"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): ACPI: failed to connect to the ACPI event daemon; the daemon
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): may not be running or the "AcpidSocketPath" X
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): configuration option may not be set correctly. When the
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): ACPI event daemon is available, the NVIDIA X driver will
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): try to use it to receive ACPI event notifications. For
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): details, please see the "ConnectToAcpid" and
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): "AcpidSocketPath" X configuration options in Appendix B: X
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(0): Config Options in the README.
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(GPU-0): Display (Medion MD30422PV (DFP-0)) does not support NVIDIA 3D
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) NVIDIA(GPU-0): Vision stereo.
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:68
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:64
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:79
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:67
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:65
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) systemd-logind: got resume for 13:66
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) config/udev: removing device X10 WTI RF receiver
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[7021]: (II) evdev: X10 WTI RF receiver: Close
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) config/udev: removing device X10 WTI RF receiver mouse
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) evdev: X10 WTI RF receiver mouse: Close
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) UnloadModule: "evdev"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) config/udev: removing device X10 WTI RF receiver
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) evdev: X10 WTI RF receiver: Close
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) UnloadModule: "evdev"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) config/udev: Adding input device X10 WTI RF receiver mouse (/dev/input/mouse2)
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) No input driver specified, ignoring this device.
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) This device may have been added with another device file.
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) config/udev: Adding input device X10 WTI RF receiver mouse (/dev/input/event14)
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (**) X10 WTI RF receiver mouse: Applying InputClass "evdev pointer catchall"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) systemd-logind: returning pre-existing fd for /dev/input/event14 13:78
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) Using input driver 'evdev' for 'X10 WTI RF receiver mouse'
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (**) X10 WTI RF receiver mouse: always reports core events
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (**) evdev: X10 WTI RF receiver mouse: Device: "/dev/input/event14"
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (--) evdev: X10 WTI RF receiver mouse: Vendor 0xbc7 Product 0x6
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (--) evdev: X10 WTI RF receiver mouse: Found 9 mouse buttons
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (--) evdev: X10 WTI RF receiver mouse: Found relative axes
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (--) evdev: X10 WTI RF receiver mouse: Found x and y relative axes
May 06 09:54:00 myhost /usr/lib/gdm/gdm-x-session[20001]: (II) evdev: X10 WTI RF receiver mouse: Configuring as mouseOffline