Arch Linux

marakasmalan

Member

Registered: 2017-12-30

Posts: 3

Intel Mobile 945GM/GMS/GME, 943/940GML Express: Display scrambled

Good day,

I installed Arch Linux 32 on my Asus Eee PC 901

 # uname -a
Linux unknown 4.14.4-1.0-ARCH #1 SMP PREEMPT Fri Dec 8 09:16:30 CET 2017 i686 GNU/Linux 

# lspci | grep Display
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)

After first boot, the grub screen display perfect, but once it started to boot 80% of the display on the left side is complete scrambled and one cannot read what is displayed.
Very much llike the problem displayed in this picture, except that the display was scrambled an not just black towards the left side.

However, when booting from the Arch Linux 32 live image there was no problem, before or after the installation. working "blindly" when the screen is scrambled, screen capture also delivered a perfect image.

# fbset -i

mode "1024x600"
    geometry 1024 600 1024 600 32
    timings 0 0 0 0 0 0 0
    accel true
    rgba 8/16,8/8,8/0,0/0
endmode

Frame buffer device information:
    Name        : inteldrmfb
    Address     : 0xd0022000
    Size        : 2457600
    Type        : PACKED PIXELS
    Visual      : TRUECOLOR
    XPanStep    : 1
    YPanStep    : 1
    YWrapStep   : 0
    LineLength  : 4096
    Accelerator : No

It seems to be very much the same problem as was discribed in this forum and the same solution worked.

I had to edit

/etc/default/grub

and then change

GRUB_GFXPAYLOAD_LINUX=auto

to

GRUB_GFXPAYLOAD_LINUX=text

then one had to rebuild GRUB config:

# grub-mkconfig -o /boot/grub/grub.cfg

This fixed the problem for me. It took me quite a while to find the solution and I was not able to find any information on the usual Arch linux resources, so I really hope this may be of help to anybody else.

Last edited by marakasmalan (2017-12-30 15:35:09)

marakasmalan

Member

Registered: 2017-12-30

Posts: 3

Re: Intel Mobile 945GM/GMS/GME, 943/940GML Express: Display scrambled

Shucks, sorry, my post can be removed, well documented already, on this forum!

My bad

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