On Tue, 26 May 2020, George N. White III wrote:
On Tue, 26 May 2020 at 04:25, Michael Hennebry <
hennebry@xxxxxxxxxxxxxxxxxxxxx> wrote:
On Tue, 26 May 2020, Michael Hennebry wrote:
How do I get xrandr or something else to do what I want,
i.e. change my resolution to 1440x900
when using the live DVD..
We can't provide useful answers without more details of your hardware.
Were you running Centos 7 on the same HP Compac (sic) dc5800 Small Form
Factor? If so were you using 32-bit or 64-bit CentoOS 7? Are you using a
KVM switch? The dc5800 came in many configurations, with RAM as little as
Yes. 64-bit. No.
2GB and optional graphics cards. Onboard graphics usually steals system
RAM memory space, so with 64-bit OS and 2G RAM you could be stuck with low
resolution. KVM switches sometimes fail to pass correct monitor details.
I upgraded from 2GB to 8GB.
liveuser@localhost-live ~]$ lspci | head -3
00:00.0 Host bridge: Intel Corporation 82Q33 Express DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82Q33 Express Integrated Graphics Controller (rev 02)
00:03.0 Communication controller: Intel Corporation 82Q33 Express MEI Controller (rev 02)
[liveuser@localhost-live ~]$
What does "env | grep wayland" give?
liveuser@localhost-live ~]$ env | grep -i wayland
[liveuser@localhost-live ~]$
What do you get from "xrandr" without options?
liveuser@localhost-live ~]$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 640 x 480, maximum 640 x 480
default connected primary 640x480+0+0 0mm x 0mm
640x480 0.00*
[liveuser@localhost-live ~]$
Note maximum 640 x 480 .
Are there errors in Xorg.0.log?
Yes.
[liveuser@localhost-live ~]$ grep -F "(EE)" /var/log/X*
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 109.452] (EE) open /dev/dri/card0: No such file or directory
[ 109.453] (EE) open /dev/dri/card0: No such file or directory
[ 109.570] (EE) Unable to find a valid framebuffer device
[ 109.571] (EE) open /dev/fb0: No such file or directory
[ 109.571] (EE) Screen 0 deleted because of no matching config section.
[ 109.571] (EE) Screen 0 deleted because of no matching config section.
[liveuser@localhost-live ~]$
liveuser@localhost-live ~]$ grep -F -e 1440 /var/log/X* | wc
11 138 898
[liveuser@localhost-live ~]$ grep -F -e 640 /var/log/X* | wc
22 177 1211
[liveuser@localhost-live ~]$ grep -F -e 640 -e 1440 /var/log/X*
[ 109.871] (II) VESA(0): 640x480@60Hz
[ 109.871] (II) VESA(0): 640x480@67Hz
[ 109.871] (II) VESA(0): 640x480@72Hz
[ 109.871] (II) VESA(0): 640x480@75Hz
[ 109.871] (II) VESA(0): #0: hsize: 1440 vsize 900 refresh: 60 vid: 149
[ 109.871] (II) VESA(0): #1: hsize: 1440 vsize 900 refresh: 75 vid: 3989
[ 109.871] (II) VESA(0): h_active: 1440 h_sync: 1520 h_sync_end 1672 h_blank_end 1904 h_border: 0
109.871] (II) VESA(0): Serial No: LBP0C0164004
[ 109.872] (II) VESA(0): Modeline "1440x900"x0.0 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz eP)
[ 109.872] (II) VESA(0): Modeline "640x480"x0.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 109.872] (II) VESA(0): Modeline "640x480"x0.0 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e)
[ 109.872] (II) VESA(0): Modeline "640x480"x0.0 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e)
[ 109.872] (II) VESA(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 109.872] (II) VESA(0): Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 109.872] (II) VESA(0): Modeline "1440x900"x0.0 136.75 1440 1536 1688 1936 900 903 909 942 -hsync +vsync (70.6 kHz e)
[ 109.872] (II) VESA(0): Modeline "1280x1024"x0.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 109.879] Mode: 13c (1920x1440)
[ 109.879] YResolution: 1440
[ 109.880] Mode: 14d (1920x1440)
[ 109.880] YResolution: 1440
[ 109.884] BytesPerScanline: 6400
[ 109.884] LinBytesPerScanLine: 6400
[ 109.911] *Mode: 112 (640x480)
[ 109.911] XResolution: 640
[ 109.914] Mode: 101 (640x480)
[ 109.914] BytesPerScanline: 640
[ 109.914] XResolution: 640
[ 109.915] LinBytesPerScanLine: 640
[ 109.916] Mode: 111 (640x480)
[ 109.916] XResolution: 640
[ 109.919] (II) VESA(0): Virtual size is 640x480 (pitch 640)
[ 109.919] (**) VESA(0): *Built-in mode "640x480"
[ 110.114] (II) VESA(0): Setting up VESA Mode 0x112 (640x480)
[liveuser@localhost-live ~]$
With 64-bit linux the system is very slow and eventually gives a reboot
popup blaming firefox -- probably due to the limited RAM.
A motivation for my 8GB.
--
Michael hennebry@xxxxxxxxxxxxxxxxxxxxx
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
-- someeecards
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