Created attachment 127372 [details] logs of (copy of https://bugzilla.kernel.org/show_bug.cgi?id=176351) When resuming from hibernate state, kernel linux 4.8.0, the screen is blank(acpi off) and it does not resume. Previous version 4.6.0 works fine, resuming screen is blank (acpi off), pressing a key screen it switch on, all right. I done two test, first resume worked (restart after few seconds), second failed (restart after a while). In attach logs of both cases. In the attached file I can see following: Oct 5 06:57:46 abox gdm-Xorg-:0[1013]: (II) AIGLX: Resuming AIGLX clients after VT switch Oct 5 06:57:46 abox gdm-Xorg-:0[1013]: (II) intel(0): switch to mode 1920x1080@60.0 on HDMI1 using pipe 0, position (0, 0), rotation normal, reflection none Oct 5 06:57:46 abox gdm-Xorg-:0[1013]: (EE) intel(0): failed to set mode: Invalid argument [22] Oct 5 06:57:46 abox gdm-Xorg-:0[1013]: (WW) intel(0): failed to restore desired modes on VT switch Oct 5 06:57:46 abox gdm-Xorg-:0[1013]: (EE) intel(0): sna_mode_shutdown_crtc: invalid state found on pipe 0, disabling CRTC:26 ... Oct 5 06:58:05 abox kernel: [ 919.079396] [drm:drm_framebuffer_remove [drm]] *ERROR* failed to reset crtc ffff880196939000 when fb was deleted Oct 5 06:58:05 abox kernel: [ 919.079460] [drm:drm_plane_force_disable [drm]] *ERROR* failed to disable plane with busy fb
Same hardware, using uefi boot, the issue diseappears.
(In reply to nutrinfnon from comment #1) > Same hardware, using uefi boot, the issue diseappears. It looks like a BIOS issue then.
I'm not sure (because, until up 4.6.0, I always used BIOS CSM). For me, now, it works, so I change this bug in "resolved as WORKSFORME".
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