Mailinglist Archive: opensuse (1047 mails)

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Re: [opensuse] disabling wakeup when monitor sends hibernate message
On 01/26/2016 03:53 PM, don fisher wrote:

I looked at the manual and can see nothing except options on color. I
tried to call ASUS tech support, weaited over 10 minutes and never got
an answer. Just messages on how high tech ASUS was as a company!

I asked the same question on the nouveau list (the driver for my graphics card). I received some real help there. They told me how to get a dump of the graphics messages. The conclusion reached is that the monitor is returning a "hot plug" event, which should not be happening. Sounds like I need a new monitor.:-(


I think it's highly unlikely that this is down to a monitor issue or cable problem, as now two people under the same distro are writing on the ML about the same problem (I'm on TW for the record). ASUS tech support is going to be of no help, and as soon as they hear you're using Linux they are not going to support any of their products. I'm using this video card: "VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Juniper PRO [Radeon HD 6750]" with a fairly new HDMI cable connecting the monitor with the video card, and running the open source radeon driver. My video card has 2 outputs on it, 1 HDMI and 1 DVI. I have a second monitor plugged into the DVI port which stays off a lot of the time, (with the power button) so that variable is also thrown into the mix. My issue is the ASUS (primary monitor) display goes to sleep according to the setting set in KDE's Energy Saving control panel, then wakes up for no apparent reason minutes after having gone to sleep. Then it will go to sleep again and then turn on, repeating the cycle until the power button is pressed. It can go days without the problem occurring, then all of a sudden one day it starts happening again.

This thread may be of help:

In that thread, there's a command you can try: "xrandr --output HDMI-0 --off". "HDMI-0" is the name of my device, yours may differ. The only thing that I don't yet know how to do is turn the output back on as once your monitor shuts off after issuing that command, TTY7 goes dark (monitor goes to sleep) and the command will survive a reboot. You can erase whatever file that command writes to in ~/.config, but there has to be an easier way. Anybody know? I would file a bug but I don't know if this is down to another driver causing it such as a webcam, an issue with xorg, something with KDE, or something else. I have no clue where to start. And the fact that the problem may not surface for 5 days makes it difficult to debug.


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