On 6/30/23 07:44, George N. White III
wrote:
I have a Lenovo x140e
running F38.
The video driver is normally the Radeon, but some time ago
here I was
told to change the amdgpu driver but
lspci -nnk | grep -iE "VGA|DISPLAY" -A3
00:01.0 VGA compatible controller [0300]: Advanced Micro
Devices, Inc.
[AMD/ATI] Kabini [Radeon HD 8330] [1002:9832]
Subsystem: Lenovo Device [17aa:2219]
Kernel driver in use: amdgpu
Kernel modules: radeon, amdgpu
But sometimes after a few suspend/unsuspend when remote
and no external
VGA, this system forgets about the external monitor.
By "remote" do you mean using the laptop away from the
VGA monitor or
logging in from another (remote) system? If you are
reconnecting the
VGA after using the laptop in another location, I
assume the laptop
is in some "suspend" mode. When using the VGA monitor
do you also
use the laptop display or is the laptop closed?
I mean I was out from town with my notebook and no external
monitor connected. And I suspended before I left, and then
multiple times while away I resumed and suspended and so forth.
Is there someway to force the video driver to wake up and
see the
attached vga monitor?
First, is your system fully updated including vendor
firmware (so others will be using
the same software versions)?
It was as of Tuesday before leaving.
Are you using F38 Workstation and Gnome? I have a
desktop that has a
monitor and a TV that is usually turned off. When
first booted the login
shows on the TV, so I use Settings/Displays to make the
monitor the
main display. The system never suspends, but logging
out and back in
some I sometimes have to connect the TV to get the
login prompt.
I use the everything network install to install workstation and
Xfce. Should have said Xfce, as it impacts what you say below.
Have you tried Settings/Displays to detect the VGA
monitor?
Both from <winkey+P> and from the app pull down to get into
Settings/Display. The external monitor is just not listed.
BTW, it is often the case with this system that the external
monitor is not listed, but just gets turned on, which is plain
weird.
Is the
system suspended or awake when VGA is connected, and is
the monitor
on or off when making the connection? A workaround may
be a simple
change to your usual routine.
Before suspending to travel, I unplug everything (power, vga, usb
kybd/mouse) then suspend. Once home I connect everything and then
open the notebook.
Normally udev should handle events like
connecting an external monitor. If you have a way to
ssh into the laptop
you could use "udevadm monitor" to see what happens
when connecting the
monitor with the laptop lid closed.
I always work at my desk with the notebook open so I have the
internal mirroring to the external.
and
# udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
now nothing in the terminal window. Like this is hung? Or not
expected to return back to the prompt?
How is this suppose to work:
KERNEL=="card1", SUBSYSTEM=="drm", ENV{DISPLAY}=":0", ENV{XAUTHORITY}="/home/vllblvck/.Xauthority", RUN+="/usr/bin/setup-ext-display.sh"
Is KERNEL a variable or is there some udev file I am suppose to set up? No, at least recent, experience with udev stuff..
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