On Tue, 26 May 2020 at 16:19, Michael Hennebry <hennebry@xxxxxxxxxxxxxxxxxxxxx> wrote:
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)
This should be using the i915 driver, but https://unix.stackexchange.com/questions/110573/what-is-i915-modeset-1-for#110589 may explain some of your symptoms and has links to troubleshooting
examples. I remember fighting with graphics on similar systems at work after they failed to run the new version of Windows. Ours had ATI cards but the drivers were buggy. I used to keep a collection of graphics cards for such situations, but in this case (with 2G RAM) I used them in headless mode.
[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 .
Expected when using VESA.
> Are there errors in Xorg.0.log?
Yes.
Expected for VESA.
George N. White III
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