It changes the backlight behaviour in the kernel.
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https://bugs.launchpad.net/bugs/2055153
Title:
[Lenovo Legion Pro 7 16IRX8H] Boots slowly or not at all when NVIDIA
driver is
@Fabian Gasser
After setting kernel parameter 'acpi_backlight=vendor' in /etc/default/grub
file, the problem did not appear again until now. I will let you know if it
happens again
@Daniel Van Vugt
May I ask what 'acpi_backlight=vendor' do?
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@Fabian Gasser I have not been able to resolve the issue..
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https://bugs.launchpad.net/bugs/2055153
Title:
[Lenovo Legion Pro 7 16IRX8H] Boots slowly or not at all when NVIDIA
driver
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-hwe-6.5 (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-525 (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-545 (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-535 (Ubuntu)
Status: New => Confirmed
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@alvinjinsung were you able to resolve this issue somehow by playing
around with the above mentioned suggestions? I'm experiencing the same
issue with my new Lenovo Legion Pro 5 16IRX8 on Ubuntu 22.04 when using
the nvidia-driver-535 (proprietary, tested). When I switch back to the
open source
For the slow boots, try experimenting with kernel parameters like
acpi_backlight=vendor and for more detailed info see
https://wiki.ubuntu.com/Kernel/Debugging/Backlight
For the failed boots I would also recommend trying the kernel parameter:
nvidia-drm.modeset=0
For both issues try the new
So how can I fix it?
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Title:
[Lenovo Legion Pro 7 16IRX8H] Boots slowly or not at all when NVIDIA
driver is installed
To manage notifications
The only explanations I can see for the failed boots is:
Feb 28 21:20:49 alvin-Legion-Pro-7-16IRX8H /usr/libexec/gdm-x-session[1356]:
(WW) NVIDIA(G0): Failed to set the display configuration
Feb 28 21:20:49 alvin-Legion-Pro-7-16IRX8H /usr/libexec/gdm-x-session[1356]:
(WW) NVIDIA(G0): - Setting
** Attachment added: "failboot case#7"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-535/+bug/2055153/+attachment/5750187/+files/failedboot6.txt
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** Attachment added: "slowboot case#8"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750186/+files/slowboot7.txt
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** Attachment added: "slowboot case#6"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750184/+files/slowboot5.txt
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** Attachment added: "slowboot case#7"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750185/+files/slowboot6.txt
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** Attachment added: "slowboot case#5"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750183/+files/slowboot4.txt
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** Attachment added: "failboot case#6"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750182/+files/failedboot5.txt
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** Attachment added: "failboot case#5"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750179/+files/failedboot4.txt
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** Attachment added: "failboot case#4"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750178/+files/failedboot3.txt
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I tried to run the command
ubuntu-bug /var/crash/YOURFILE.crash
as you proposed but it is not working.
It shows 'The application Files has closed unexpectedly'
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Enabled debug in /etc/gdm3/custom.conf
I will collect more failed logs and upload here. Thanks!
** Attachment removed: "_usr_bin_nautilus.1000.crash"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-535/+bug/2055153/+attachment/5750086/+files/_usr_bin_nautilus.1000.crash
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The nautilus crash is not relevant here, thanks.
Yes please enable debug in /etc/gdm3/custom.conf
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Title:
[Lenovo Legion Pro 7 16IRX8H] Boots
I submitted new bug report(#2055257) using ubuntu-bug command but attach
the file here also Thanks!
** Attachment added: "_usr_bin_nautilus.1000.crash"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-545/+bug/2055153/+attachment/5750086/+files/_usr_bin_nautilus.1000.crash
There seems _usr_bin_nautilus.1000.crash file exist in /var/crash. Are
you saying to open up new bug report(not this page) with the file
attached? Also I checked /etc/gdm3/custom.conf not enabled. Do I still
need to enable the debug section?
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