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Tasklist

FS#44915 - [linux] Kernel 4.0.1 show vertical purple line on HDMI output using AMD Radeon

Attached to Project: Arch Linux
Opened by Irvan Kurniawan (sourc7) - Saturday, 09 May 2015, 12:37 GMT
Last edited by Tobias Powalowski (tpowa) - Sunday, 17 May 2015, 13:58 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas B├Ąchler (brain0)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
After upgrading kernel from Linux 3.19 to Linux 4.0, I noticed a vertical purple line on the left side of the monitor using HDMI connection after the Xorg started the Display, I tried using DVI connection and run "startx" the vertical purple line disappeared, I tried to downgrade the kernel to Linux 3.19 the vertical purple line is gone.

The problem only appear on the display after using Xorg Server and the same problem as http://comments.gmane.org/gmane.comp.video.dri.devel/128285. To solve the problem run this command on Xorg server: xrandr --output HDMI-0 --auto --set audio off

Additional info:
* Hardware info
- AMD Radeon HD7770
- Samsung S22D300 (HDMI without sound output)

* package version(s)
- linux (4.0.1-1)
- xf86-video-ati (1:7.5.0-2)

* config and/or log files etc.
- Kernel and Xorg log with DVI and HDMI connection
- Photo indicating the purple line problem

Steps to reproduce:
Upgrade to the latest Linux kernel (4.0.1-1) then connect the display using the HDMI connection to AMD Radeon HD7770's HDMI connector
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Sunday, 17 May 2015, 13:58 GMT
Reason for closing:  Fixed
Additional comments about closing:  4.0.3-1
Comment by Irvan Kurniawan (sourc7) - Saturday, 09 May 2015, 12:44 GMT
- Photo indicating the purple line problem
Comment by Irvan Kurniawan (sourc7) - Sunday, 17 May 2015, 12:31 GMT
I'm testing with the new Linux Kernel 4.0.3 using testing repositories, the blurry and vertical purple line issue were solved.

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