Created attachment 1234899 [details] Journal logs from a first boot which eventually lead to a crash, in reverse chronological order Description of problem: On a Lenovo ThinkPad X201, GNOME on Wayland sessions that have been running for a while suddenly result in a black screen for about 10-15 seconds. The computer then turns off (without showing any shutdown logs, or anything else on the screen). Before turning off, there is no disk activity, so I think some error messages are be lost. The system does not respond to keyboard/mouse input while the screen is black. There are no SELinux denials logged during this period (e.g. shown in the GNOME SELinux Troubleshooter application), and the GNOME Problem Reporting application does not show any issues. There are no entries in the system journal after about 5 minutes before the crashes. I would like to add "Blocks: WaylandRelated" to this bug, but do not see an appropriate field on the bug entry form. Version-Release number of selected component (if applicable): I have had this problem on both Fedora 24 and Fedora 25. GNOME on X11 sessions are unaffected. On Fedora 24, I once observed an approximately single pixel-wide yellow line of randomly-moving dots on the left border of the otherwise black screen. How reproducible: Occurs reliably, but the mechanism is unclear Steps to Reproduce: 1. Run the system for an hour or so, using common applications such as Gedit, Firefox and Nautilus. (At times, I was only using these three, whereas at other times, I had more programs open.) Simply leaving the computer on without using any applications does not produce the crash. The time between crashes shortens to 10-20 minutes after the first crash. After a safe shutdown (from GNOME on X11 sessions, which do not crash), the crash comes after about an hour. Additional info: About 5 minutes before one of the crashes, the last two entries in the journal were: - Dec 22 14:18:05 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun - Dec 22 14:18:05 kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun Bugs which seem somewhat similar: - https://bugs.freedesktop.org/show_bug.cgi?id=98994 - Refers to the "CPU pipe A FIFO underrun" - https://bugzilla.gnome.org/show_bug.cgi?id=769954 - Also a form of system freeze, but linked to the screen timeout interval. I used the 'sensors' command to rule out overheating (from the 'lm_sensors' package).
Created attachment 1234902 [details] Journal logs from the boot after the first boot which eventually lead to a crash, in reverse chronological order Journal entries from the boot after https://bugzilla.redhat.com/attachment.cgi?id=1234899&action=edit
Created attachment 1234903 [details] Journal logs from a second boot which eventually lead to a crash, in reverse chronological order
Created attachment 1234904 [details] Journal logs from the boot after the second boot which eventually lead to a crash, in reverse chronological order The boot after the second example of the journal entries from a boot which ended in a crash, https://bugzilla.redhat.com/attachment.cgi?id=1234903
Created attachment 1234905 [details] Output of 'lspci -nn'
Created attachment 1234906 [details] Output of 'rpm -qa | sort' List of packages on my system.
Same issue for me and the Lenovo T510. Nothing in the journal. Seems it just stops logging a minute before the screen goes blank or scrambles as if there is a video failure and then just power's off. Switching to GNOME for Xorg seems to fix the issue so I would assume this is a Wayland issue as well. I had the same thing happen on a T540p a few days ago as well.
Same issue for me on Lenovo x201 BUT with Mate-Spin and X. Maybe not Wayland related?
I upgraded to Fedora 26, and have run all of my common graphical applications during a GNOME on Wayland session on my Lenovo ThinkPad X201 for over an hour. The system seems fine.
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