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Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 5. Jan 2020, 17:01
by Jovedahle
I'm running a Fedora 31 which I have given all my monitors (3) but it only picks up one monitor and it's at the wrong resolution (way smaller).
I use VMSVGA as I see everyone say that is the one to use with Linux.
I could not attach the log as it's to big.

Note that if I use VBoxSVGA it works fine but they are in the wrong order so when I move something between the monitors it does not allign up. (If I change the order in the OS the mouse tracking starts tracking to the wrong screens).

I'm not a virtualbox "user" I only use it for a linux VM instead of duelboot so I don't have that much experience to go on here.

Re: Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 5. Jan 2020, 17:05
by scottgus1
Zip and post a guest vbox.log using the forum's Upload Attachment tab.

Re: Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 5. Jan 2020, 17:11
by Jovedahle
Here is the logfile

Re: Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 6. Jan 2020, 21:41
by Jovedahle
I uninstalled the guest additions that came with the OS (6.0.1) and installed the ones virtualbox offers, now I have the correct resolution with VMSVGA but I only have one monitor. When I click enable on the monitors in the menu nothing happens and it stays disabled.

Re: Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 9. Jan 2020, 13:46
by samjam
I have the same problem with LinuxMint Tricia

It worked on 6.0, and it also works if I use VMVGA adaptor instead (with 3D disabled, ugh) but with VMSVGA, Linux is only away of the primary display, not the two additional disiplays/

Log attached

Re: Fedora only picks up 1 monitor and does not offer correct resolution.

Posted: 9. Jan 2020, 21:13
by michel-slm
I reported the issue of Fedora's virtualbox-guest-additions RPM not allowing resolution auto-scaling here: https://bugzilla.redhat.com/show_bug.cgi?id=1789545