** Changed in: mutter
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1878421
Title:
Using two GPUs with one monitor each, one is always black
Status
problem seems to appear only with nouveau driver, i installed the
propritary (like it is on 18.4) and it works now as. seems anything in
nouveau driver is missing for multi-monitor-support
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mhm, ubuntu-session is same...i see cursor but no background/window
while dragging, this time it looks stable, after loggin out (from
ubuntu-session), i see login-form on laptop-screen and purple background
on external monitor. after logging into flashback it's same as in
ubuntu-session with black
is maybe this also handled by gnome-flashback directly?
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https://bugs.launchpad.net/bugs/1878421
Title:
Using two GPUs with one monitor each, one is always black
Status
https://gitlab.gnome.org/GNOME/mutter/-/issues/1351
but currently it looks related to nvidia/nouveau driver
** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #1351
https://gitlab.gnome.org/GNOME/mutter/-/issues/1351
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anything new here? i see mutter gets an update to 3.36.2, but bug is
still present.
anything i can do as workaround?
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Title:
Using
from journal log this looks wrong:
Mai 14 12:12:04 frank-G5-U20 /usr/lib/gdm3/gdm-x-session[1526]: xf86EnableIOPort
s: failed to set IOPL for I/O (Operation not permitted)
Mai 14 12:12:04 frank-G5-U20 /usr/lib/gdm3/gdm-x-session[1526]: (II) modeset(0):
using drv /dev/dri/card0
Mai 14 12:12:04
after my laptop-screen goes off (automatic locking of workstation) and i
retouched it to go on again, i see some flickering on the external
monitor with background-image, but it looks like there was heavy load so
that login-screen wasn't displayed (see also background on internal
screen)...have
** Changed in: mutter
Status: Unknown => New
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Title:
Using two GPUs with one monitor each, one is always black
Status in
** Attachment added: "journalctl -b0"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1878421/+attachment/5371462/+files/journal.txt
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If you now have "2nd gpu enabled" then please run:
journalctl -b0 > journal.txt
and attach the resulting text file.
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Title:
dmesg looks clean so far, intel card (internal display) is fb0 and
nvidia-card for hdmi (external 4k monitor hp 27f)
$ dmesg | grep frame
[0.882504] efifb: framebuffer at 0x8000, using 8100k, total 8100k
[0.882611] Console: switching to colour frame buffer device 240x67
[0.887919]
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