I am sure at some point this will be permanently fixed and disseminate down to all the major Linux distributions. I recall this also happened on my previous Lenovo x240 though less frequently. I’ve had this issue on both Skylake and Kabylake Intel-based laptop systems with integrated HD graphics (i915 driver) across Kernels 4.12+ through the 4.16.8 Fedora 28 Kernel. VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02) There was no real pattern to this happening nor was I able to get any log file information or journal information about the issue as it completely froze. I started having complete system freezes intermittently where my laptop display would shudder / jitter and then hard lock.
Here’s my temporary fix on Fedora 28 for getting things stable again until it’s fixed for good upstream. Having suffered intermittent, sporadic GPU freezes on my Lenovo x270 (Kabylake) work laptop since Kernel 4.12+ I came across a bug report that seemed related. This is great except when it stops working. Recently Intel started including their graphics drivers into the mainline Linux kernel.
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