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+--- Thread: Vga loss (/showthread.php?tid=2164)
Vga loss - steve.warnes - 09-07-2015
Hi
Brand new to this.
Finally installed Linux Lite onto spare machine to use as a backup for other PCS and maybe a server.
I have my main machine and the linux lite machine feeding to one monitor through a vga switch. since installing linux lite when I switch to my main PC and then back to the linux lite machine I have no display. This wasnt the case when I ran Windows on the old machine.
Can anyone give me a fix?
Cheers
Re: Vga loss - rokytnji - 09-07-2015
look at the end of /var/log/demsg text file for any reasons.
Code:
cat /var/log/dmesgor
Code:
sudo dmesg | tailI guess. But I would rule out a faulty vga switch first if me in your shoes. Since that is easy to do. Just disconnect from vga switch to screen and hook direct while screen is blacked out.
Re: Vga loss - steve.warnes - 09-07-2015
Hi Thanks
I tried pluging the vga lead in directly and that didn't work. I have used that code to look at that file but there is a lot of it and I dont know what it means. I have attached the code.
Steve
[attachment deleted by admin, expired]
Re: Vga loss - rokytnji - 09-07-2015
Not much to go on
Code:
<snip>.360735] checking generic (d0000000 130000) vs hw (d0000000 10000000)
[ 1.360738] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver
[ 1.360758] Console: switching to colour dummy device 80x25
[ 1.361278] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.361281] [drm] Driver supports precise vblank timestamp query.
[ 1.361685] [drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: [0x7f800000 - 0x80000000]
[ 1.361731] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 1.362795] [drm] initialized overlay support
[ 1.393249] fbcon: inteldrmfb (fb0) is primary device
<snip>
0.818503] vesafb: mode is 640x480x32, linelength=2560, pages=0
[ 0.818505] vesafb: scrolling: redraw
[ 0.818508] vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[ 0.818598] vesafb: framebuffer at 0xd0000000, mapped to 0xf8480000, using 1216k, total 1216k
[ 0.828052] Console: switching to colour frame buffer device 80x30
[ 0.837394] fb0: VESA VGA frame buffer device\
0.837420] intel_idle: does not run on family 6 model 15Somebody with a more sharper linux skill set needs to step into this thread from here on in.