[Bug 107947] REG_WAIT timeout 10us * 3500 tries - dce_mi_free_dmif line:563 during boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107947

--- Comment #8 from Alex Smith <asmith at feralinteractive.com> ---
I think this is related to display power management - it occurs when the
monitor is woken from standby. The blank screen I get at startup occurs between
the login screen (gdm) and the desktop. After logging in, gdm briefly puts the
display to sleep, and then when it wakes up again the screen is blank and this
error appears in dmesg.

I've found I'm usually able to get things working again by doing a few VT
switches between gdm and the desktop, but this is still quite annoying as it is
happening almost every boot.

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