https://bugs.freedesktop.org/show_bug.cgi?id=59903
--- Comment #8 from Michel Dänzer <mic...@daenzer.net> ---
(In reply to comment #6)
> * with "echo 2 > /sys/module/drm/parameters/debug" nothing special in dmesg
Hmm, so maybe the EBUSY error is coming from this code in
drm_mode_page_flip_ioctl():
if (crtc->fb == NULL) {
/* The framebuffer is currently unbound, presumably
* due to a hotplug event, that userspace has not
* yet discovered.
*/
ret = -EBUSY;
goto out;
}
What does xrandr --current say when the problem occurs? After that, does
running xrandr without arguments make any difference?
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