When I switch to intel mode with 'prime-select intel' it will won't load
nvidia module, and this issue couldn't be reproduced.
And on T14 there are no option to disable the discrete GPU.
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Sorry for reply late, I tried to swith nouveau, but it couldn't enter
suspend with X crash.
Jan 07 01:35:30 Drfit3-T-2 /usr/lib/gdm3/gdm-x-session[1744]: (EE)
Jan 07 01:35:30 Drfit3-T-2 /usr/lib/gdm3/gdm-x-session[1744]: Fatal server
error:
Jan 07 01:35:30 Drfit3-T-2
In case it is relevant:
Please try uninstalling all Nvidia drivers (so you're left with none but
nouveau in 'lspci -k') and reboot. Does the problem still happen?
Also is there an option to disable the discrete GPU in the BIOS? What
happens if you disable it?
** Changed in: mutter (Ubuntu)
It's likely that "I+N" is not relevant. Only the Intel GPU is used to
draw the shell and login screen.
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https://bugs.launchpad.net/bugs/1939163
Title:
Screen splash
@Daniel,
Thanks for your feedback, I checked bug 1923335, the description is
similar, but it's not a I+N platform, and from my side, when I switch to
Power Saving Mode to use Intel, I could not reproduce this issue.
Thanks.
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** Tags added: oem-priority originate-from-1938768 sutton
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https://bugs.launchpad.net/bugs/1939163
Title:
Screen splash when suspend or resume on I+N platform
To
I wonder if this is related to bug 1923335. That also has an issue with
the screen flashing back on when it should be off.
** Package changed: gdm3 (Ubuntu) => mutter (Ubuntu)
** Also affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags added: focal
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On P15v, I used 5.8.0-44-generic kernel and nvidia 450.102.04-0ubuntu0.20.04.1.
I could also reproduce this issue.
** Attachment added: "suspend.P15v.log"
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1939163/+attachment/5516365/+files/suspend.P15v.log
** Description changed:
On T14 I used 5.13.0-1009.10 oem kernel and nvidia 470.57.02-0ubuntu0.20.04.1.
I captured the log when doing suspend and resume.
** Attachment added: "suspend.t14.log"
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1939163/+attachment/5516364/+files/suspend.t14.log
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