FS#57401 - [nvidia] Black screen on second monitor using Nvidia DRM KMS

Attached to Project: Arch Linux
Opened by Thomas Rue (ThomasRue) - Tuesday, 06 February 2018, 20:14 GMT
Last edited by Sven-Hendrik Haase (Svenstaro) - Saturday, 10 February 2018, 15:20 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Sven-Hendrik Haase (Svenstaro)
Felix Yan (felixonmars)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:

After upgrading to the current linux and nvidia, only one external monitor is enabled after boot.

Additional info:
* linux 4.15.1-2
* nvidia 390.25-4

Steps to reproduce:

Use the above packages, manually enable kernel mode setting and, when multiple monitors are connected, often only one monitor will be found and show terminal.

See https://wiki.archlinux.org/index.php/NVIDIA#DRM_kernel_mode_setting for detailed steps.

Expected outcome:

Previously working fine in past version where the terminal was shown on both screens mirrored until Xorg starts and takes over.
This task depends upon

Closed by  Sven-Hendrik Haase (Svenstaro)
Saturday, 10 February 2018, 15:20 GMT
Reason for closing:  Fixed
Comment by Thomas Rue (ThomasRue) - Thursday, 08 February 2018, 13:06 GMT
Further details: obviously using an Nvidia card, one monitor connected via DP and the other connected via DVI and no changes to tty
Very possibly related to: https://devtalk.nvidia.com/default/topic/1029625/linux/no-sys-class-drm-card0-entries-on-kernel-4-15/
Comment by loqs (loqs) - Friday, 09 February 2018, 16:49 GMT
Please try the patch from https://bugs.archlinux.org/task/57305#comment166449
Comment by Thomas Rue (ThomasRue) - Saturday, 10 February 2018, 03:57 GMT
Fixed by above patch. :)
Comment by Sven-Hendrik Haase (Svenstaro) - Saturday, 10 February 2018, 12:01 GMT
Please test the new nvidia package.
Comment by Thomas Rue (ThomasRue) - Saturday, 10 February 2018, 13:41 GMT
Fixed in latest package.

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