I just rebooted after applying new updates. In the past, this got the
external video going. Not this time.
help?
On 6/30/23 08:34, Robert Moskowitz wrote:
On 6/30/23 07:44, George N. White III wrote:
> On Fri, Jun 30, 2023 at 6:56 AM Robert Moskowitz
> <rgm(a)htt-consult.com> 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?
>
> Example for Xorg:
>
<
https://unix.stackexchange.com/questions/675024/udev-rule-for-connecting-...
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.. |
> --
> George N. White III
>
>
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