Re: Dell XPS15 9570

[Thomas Letherby <xrs444@xxxxxxxxxx>]

Invidia-xconfig created the config in /etc/X11/xorg.conf though, however when I went to grab that it appears startx and sddm are now failing to load at all. 

Not sure if that's something I've done, or the latest patches so I'll reinstall and to get us back to a known config, and then install the drivers again.

Hopefully I can get that done tomorrow and get back to testing.

Thomas

On Mon, Aug 20, 2018 at 9:39 PM Thomas Letherby <xrs444@xxxxxxxxxx> wrote:

Tim - I don't believe so, it's a 4K screen so there shouldn't be much it can't display, and previewing the theme seems to work ok.

Tried installing Haveged suggested in the Ubuntu bug report, but no dice. That seems to be mostly people using Gnome, but it's interesting they're seeing the same issue.

My X config as created by the nVidia settings:

#
# /home/testuser/nvidia-settings-rc
#
# Configuration file for nvidia-settings - the NVIDIA X Server Settings utility
# Generated on Mon Aug 20 21:29:02 2018
#

# ConfigProperties:

RcFileLocale = C
DisplayStatusBar = Yes
SliderTextEntries = Yes
IncludeDisplayNameInConfigFile = Yes
ShowQuitDialog = Yes
UpdateRulesOnProfileNameChange = Yes
Timer = Memory_Used_(GPU_0),Yes,3000
Timer = Thermal_Monitor_(GPU_0),Yes,1000
Timer = PowerMizer_Monitor_(GPU_0),Yes,1000

# Attributes:

testlaptop.test.domail:1.0/LogAniso=0
testlaptop.test.domail:1.0/FSAA=0
testlaptop.test.domail:1.0/TextureClamping=1
testlaptop.test.domail:1.0/FXAA=0
testlaptop.test.domail:1.0/FSAAAppControlled=1
testlaptop.test.domail:1.0/LogAnisoAppControlled=1
testlaptop.test.domail:1.0/OpenGLImageSettings=1
testlaptop.test.domail:1.0/FSAAAppEnhanced=0

Doesn't seem to have a monitor section, but this may be because it's a laptop so the nVidia and Intel gfx are interconnected, I also don't have a 98-monitor.conf file.

Might have something to do with it...

Restarting SDDM on another terminal just gets me the usual black screen.

Installed the latest patches too just in case, no dice there either.

Thomas

On Mon, Aug 20, 2018 at 9:57 AM Nataraj <incoming-fedora-list@xxxxxxx> wrote:

On 08/17/2018 04:52 AM, Frédéric wrote:
>> I installed the drivers using the below. Problem is the same, black screen on boot, but you can shift to another terminal and startx. The nVidia control panel shows the driver loaded and reports OK.
> I've got exactly the same problem. I'm on F27. I have had a black sddm
> screen for 5 weeks (started July 7th 2018)  but startx works from a
> terminal.
> Also on DELL computer but on a Precision 7810 tower. Also with nvidia drivers.
>
> Here is an error I found in journalctl (full log below):
> Aug 11 21:03:25 gamma sddm-greeter[2143]: Failed to create OpenGL
> context for format QSurfaceFormat(version 2.0, options
> QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24,
> redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
> alphaBufferSize -1, stencilBufferSize 8, sam
>
> F


You might want to take a look at this bug in Ubuntu 18.04 which appears
to have been caused by a complex interaction between the display manager
and certain kernel changes and possible some problems with getrandom. 
IN the beginning people though it was just a kernel bug, but people
later found that installing a different display manager, installing a
daemon to improve the generation of random input and several other
workarounds all affected the problem.


https://bugs.launchpad.net/bugs/1779827


<https://bugs.launchpad.net/bugs/1779827>

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