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Re: "fatal" screen blanking (was: Getting amd64 stretch netinstall to work)




Gene Heskett composed on 2019-04-04 15:09 (UTC-0400):

> ...I had other things to do and left mc running but sitting idle 
> while I attended to the washing machine and walked to the mailbox to get 
> todays mail.  On returning, the screen  had been blanked. Nothing on the 
> keyboard or mouse would unblank it, and I had to resort to the reset 
> button.

> TDE-trinity is now installed and was rebooted to at the time. No 
> screenblanker gfx had yet been assigned, nor had an "xset -q" been run 
> to see what the defaults might have been. So I am rebooted back to 
> wheezy pending advice on what to do about this as I don't expect to have 
> to reset & reboot the machine everytime I walk away for ten minutes.

> Hopefully someone else has encountered this and knows the fix.

Were you running MC in TDE? Have you set its screen power save to maximum 120
minutes (as I do)?

Have you tried booting with consoleblank=0 on kernel cmdline?

Have you tried anything like xorg.conf for dpms? e.g.

/etc/xorg.conf.d/50-monitor.conf:

	Section "Monitor"
	    Identifier "DefaultMonitor"
		Option	"DPMS"	"off"
	EndSection

Have you tried setting BIOS suspend mode to S1 instead of (typical default) S3?
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