Given some other experiences with amdgpu modesetting
problems, and looking at this bug, I would say:-
1) Please try updating all packages and reboot and
try again, kernel should be now 4.19.0-16
2) Secondly, enable backports
https://backports.debian.org/Instructions/
and then:-
I have had first-hand experience of these Xorg crashes and lockups
in combination with either sleep or un-powering monitors.
I would 100% agree with Hermann that this is highly likely to be
improved with kernel update.
In short, I would go to *at least* the buster-backports kernel i.e.
https:/
I can say, I understood a limitation of amdgpu kernel driver
has been not supporting VGA/analogue outputs in some (or all?)
cases. I understood this is part of the reason it is not the
default driver over radeon for some cards.
However, given many other other experiences and bugreports
with am
I would generally say this looks like problems more in kernel
and firmware land, than bugs in the xserver driver to me...
I would, generally note a lot of wider AMD instability/issues
(that Alan) talks about improved a lot in 5.8-ubuntu
and 5.10-debian (bullseye and buster-backports) kernels.
Even
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