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Hello,

I have a new 2019 Dell XPS 13 (9380). I ordered the official Ubuntu
edition from Dell which came with 18.04. I then upgraded it to 18.10 for
a short while, before wiping it and installing 19.04 from a fresh ISO
download after that was released. This is the non-touch non-4K version
(13-inch 1080p). I have the i7 model with 16GB of RAM and an NVMe SSD
(so the performance should be pretty good).

Sometimes when typing in Gnome Terminal, the screen just freezes for
around 1 second. The cursor doesn't move, additional keypresses don't
appear, and any moving content doesn't update. After the freeze stops,
all the keypresses that occurred during the freeze do appear (they're
not lost). Immediately after the freeze, I don't see anything in dmesg
output that gives a clue. It almost feels how some old desktops did
around 10-15 years ago when everything would lock up while waiting for
slow HDD I/O, and then suddenly keypresses etc. would catch-up.

If there is something specific I should look for immediately after a
freeze in order to debug further, please let me know.

Note that this happens both on battery power but also when plugged into
the charger.

Someone else on AskUbuntu asked this question for the same model (9380),
which sounds very similar to what I'm seeing on mine (the freezing
part): https://askubuntu.com/questions/1133191/ubuntu-18-04-on-dell-
xps-9380-small-freezes-and-jumping-touchpad

Note that I filed
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1827790 for what I
think is a separate issue related to screen flashing (as opposed to
freezing). The two events do not seem to happen at the same time which
is why I've filed them separately.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: xorg 1:7.7+19ubuntu12
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun May  5 16:16:54 2019
DistUpgraded: Fresh install
DistroCodename: disco
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (prog-if 00 [VGA 
controller])
   Subsystem: Dell UHD Graphics 620 (Whiskey Lake) [1028:08af]
InstallationDate: Installed on 2019-04-28 (6 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: Dell Inc. XPS 13 9380
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic 
root=UUID=fcb75d61-4e46-4391-8800-ccef7ff04f70 ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/29/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.2
dmi.board.name: 0KTW76
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.3.2:bd03/29/2019:svnDellInc.:pnXPS139380:pvr:rvnDellInc.:rn0KTW76:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9380
dmi.product.sku: 08AF
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20180925-2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

** Affects: gnome-shell (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: amd64 apport-bug disco false-gpu-hang freeze ubuntu
-- 
Dell XPS 13 9380 - Screen and input freezes / hangs temporarily
https://bugs.launchpad.net/bugs/1827791
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