[fedora-arm] Re: Funny display on Raspberry Pi

> I have a Raspberry Pi 3B running Fedora AAarch connected to my TV.
>
> After installed the latest version 31 updates, the display went weird on
> me. Monitor preferences list an "unknown" monitor with resolution
> 1824x984 and refresh rate 77 Hz, and colours are all wrong. What should
> be red or orange is blue, blue is red or brown, and I'm not really sure
> what everything else I see on the screen is supposed to look like, but
> the greens may be more or less right.
>
> Any idea what's going on?

No, but then I've not ran F-31 on a RPi for a month or two, I tend to
move to dev releases pretty quickly and don't regularly use desktop
UXes in testing.

First question is what updates were applied, the most likely
candidates are kernel and mesa. If you reboot into the previous kernel
does it start working again? How long between the updates, was it
days/weeks/months since you last updated and rebooted?

> I'm using the MATE desktop.

Custom image? Anything else custom or did you start with
minimal/workstation/xfce and cross grade?

> If I connect my CentOS 7 laptop to the same HDMI port using the same
> cable, everything seems just fine.

Well that's a mostly irrelevant comparison because none of the
software is anywhere near Fedora.
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