Sebastian,
Just turned off Xinerama (for a few minutes).
For some reason, the system is unable to use both screens without Xinerama.
Played with this a lot when I upgraded to 20.04 from 16.04 (worked nicely
before upgrade).
FWIW, cursor is a big X on second screen, but no background and no moving
Turned off COMPOSITE, and am getting the same reaction.
See attached Xorg.0.log
On Tue, May 10, 2022 at 3:20 AM Sebastien Bacher <1972...@bugs.launchpad.net>
wrote:
> The Xorg log was sent via email and contains
>
> (WW) NVIDIA: The Composite and Xinerama extensions are both enabled, which
>
The Xorg log was sent via email and contains
(WW) NVIDIA: The Composite and Xinerama extensions are both enabled, which
(WW) NVIDIA: is an unsupported configuration. The driver will continue
(WW) NVIDIA: to load, but may behave strangely.
(WW) NVIDIA: Xinerama is enabled, so RandR has
** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1972037/+attachment/5587972/+files/Xorg.0.log
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upstream report for reference was https://gitlab.gnome.org/GNOME/gnome-
control-center/-/issues/1813
Unsure if xinerama is creating any issue there, could you add your
/var/log/Xorg.0.log to the report?
** Bug watch added: gitlab.gnome.org/GNOME/gnome-control-center/-/issues #1813
** Changed in: gnome-control-center (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1972037
Title:
Stack Overflow -
two HDMI screens side-by-side
2 old nvidia cards (both GeForce 8400GS)
nvidia driver 340.108 (latest version, required by cards)
Xinerama enabled
software kept fully up-to-date with stable release
Side comment -- gnome seems to crash a lot.
This is first situation where I can use gdb to get stack
just verbal description of the numbers of screens, layout, video
cards/drivers
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https://bugs.launchpad.net/bugs/1972037
Title:
Stack Overflow -
Would be happy to.
What files would you most like to see?
On Mon, May 9, 2022 at 4:46 AM Sebastien Bacher <1972...@bugs.launchpad.net>
wrote:
> could you provide some details on the screens configuration you are
> using?
>
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> You received this bug notification because you are subscribed to
could you provide some details on the screens configuration you are
using?
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https://bugs.launchpad.net/bugs/1972037
Title:
Stack Overflow -
Thank you for your bug report, the log has those warnings which is weird
Xlib: extension "RANDR" missing on display ":0".
could be somehow due to the nvidia drivers
** Changed in: gnome-control-center (Ubuntu)
Status: New => Incomplete
** Changed in: gnome-control-center (Ubuntu)
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