I have finally gotten around to re-tackling my
multi-monitor/multi-graphics chip issue.
I have decided to try booting a few different live distributions to see
what happened, here is what I have in terms of hardware:
Four monitors, 2 HPs 2 Dells. HPs are in landscape position, Dells are
in Portrait position
The monitors accept VGA, HDMI, and DP
One chipset is on a graphics card, and is an AMD Radeon HD 6570 1GB DDR3
PCIe x16 - 1 DVI and 2 DP out ports (I think it came out around
2013ish?)
The other is an integrated intel chipset - 1 HDMI and 1 DVI out ports
Qubes 3.2 isntalled
Live distros I have tried:
Fedora workstation 28
Fedora workstation 27
Xubuntu 18.04
Kubuntu 18.04
Fedora KDE 28
Mint xfce 18.3
CentOS GNOME 1708
CentOS KDE 1708
Results so far:
Qubes 3.2, installed: All 4 monitors "light up", getting some sort of
signal i guess, but the one with DP in will not show anything, just like
one half of that screen is light, the other dark. I can't get the two
Dells two rotate to poitrat mode. Strangely I don't get icons on any of
the menus now. A few times I was able to go to "Display" and try to
rotate the displays but when I did the DP display would go nuts and show
something like still static... or something, and now when I try to bring
up "display" it comes up then instantly turns off... hence, I am not
able to access the display window gui. Am not sure about if there is a
command line option. And something I just found out, my power saving
kicked in and on the monitor which shows nothing (Dell, poitrait, with
DP in plug) was the only one that would show me a login...
Fedora workstation 28
First, really buggy, made it hard to use, I am not sure if it was my
setup or what *BUT* _all 4 displays worked_, until I started messing
with the display option to arrange and rotate them into a usable
configuration. Moving the tiny little display icons around was a
challenge as they kept "slipping" and not moving where I was trying to
drag them. I could get them into position (not rotated) but then I would
move my mouse like to the edge of the screen and crash, back at the
loggin, which would automatically then take me to a "welcome to fedora"
window. At which point I am not able to reopen the settings/display box
(just does nothing when I click on settings).
Mint xfce 18.3
While mint was more stable, the arranging of the monitors in the
position I wanted was just as diffiult as Fed28. And like Fed28
eventually the display option window was... no longer an option, it
would instantly crash after trying to open it, not sure what would cause
that. Though, like fed28, all 4 displays "showed up" I just could not
arrange them into a usable configuration and the more I tried the less
stable the display program/window got.
Kubuntu 18.04
With Kubuntu, one of the main things I noticed was it flashing a message
"Firmware Bug: TSC_DEADLINE disabled due to Errata; please update
microcode to version 0x22 (or later)" maybe this is part of the problem?
... regardless, I have no idea how to do that... pointers?
Next, when booting up, the Dell w/ DP in was flashing... funny, the
flashing kubuntu icon on that display wasn't displaying properly. I
tried rebooting and then it just crashed, didn't even get to a gui
Fedora workstation 27
Got the same firmware error from Fed 27, that and I could not even get
to a GUI first (second, third, etc tries). And something I had not
encountered before, when I tried rebooting it would reboot back into the
same frozen screen, even when I turned the comp off (removing the usb
flash and shuting off then turning on resolved that).
Fedora KDE 28
similar firmware error. asked for login from the start? Couldn't find
any hint of what it might be on the net. bizarre, moot here though I
guess.
Xubuntu 18.04
Went great... until it didn't. Booted up fine, but then when I tried to
rearrange the displays it logged me out, apparently paswd was ubuntu.
next time I tried booting xbuntu live, when it went to the gui booting
screen 3 of the 4 displays looked ok, but the Dell DP display was off in
terms of color, after that... the two HPs just had a blinking cursor,
and the two dells kept blinking the firmware error that most of the
distros are giving me, couldn't get any further.
CentOS GNOME 1708
Booted up nicely enough. Was able to arrange the two HP (integrated
intel gfx) no problem, the Dells were not on by default in the settings,
when I tried enabling them, they went to like a strange static display
of rainbow noise if that make sense. Didn't matter if I tried to set the
two dells (secondary gfx card) to mirror, primary, secondary... nada,
except static.
CentOS KDE 1708
Started up recognizing all 4 displays... kinda, the two Dells, connected
to the external AMD gfx card showed up with the same rainbow noise that
happened in CentOS GNOME. Here they were recognized right off, in costos
gnome I had to enable the two dells. Even though the two dells were
unusable, I gotta say that the display config, that is moving the
display icons around into the config I wanted was faaaaaaaar and away
the easiest, and it showed (in the icons) the name of each display, and
the port type, even rotating them was a snap... really helpful... again
though, kinda moot if I can't see what is in the two dells. the whole
time, nothing crashed or bugged out except not being able to see the two
d*mn dells.
life's not fair (not that thats news).
If there is any other info or logs that I could be uploading please let
me know.
Any help would really really really be appreciated.
I am not sure about further diags. Maybe later I will try to install
qubes 4 to a usb drive and see how it reacts to my setup, good idea?
yes/no?
And since 3.2 seems to have had an stroke its rather crippled so might
try installing 3.2 again... ...
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