Public bug reported:
With any Ubuntu variant I've tried (Ubuntu, Ubuntu Mate, Ubuntu Budgie),
the graphical installer works correctly, but on every post-install
login, the screen goes black at the disk decryption screen.
Other things seem to be working. If I'm careful, I can enter the disk
decryption password and tell (via sounds) that I've gotten through to
the login screen, but the screen remains dark.
This happens with standard or minimal installs.
If I then try to boot with the previous kernel--4.15.0-20-generic--
everything works flawlessly.
The only non-standard thing about this system is that I replaced the
onboard wireless card with an Intel Dual Band Wireless-AC 8625.
---
I don't have a clue about kernel debugging, but I can provide further
system info as needed.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: Budgie:GNOME
Date: Sat Jul 21 20:35:45 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Iris Graphics 540 [8086:1926] (rev 0a) (prog-if 00 [VGA
controller])
Subsystem: Dell Iris Graphics 540 [1028:0704]
InstallationDate: Installed on 2018-07-21 (0 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Release amd64
(20180426)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0c45:670c Microdia
Bus 001 Device 003: ID 04f3:20d0 Elan Microelectronics Corp.
Bus 001 Device 002: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 13 9350
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic
root=/dev/mapper/ubuntu--budgie--vg-root ro quiet splash
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/16/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.0
dmi.board.name: 09JHRY
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.7.0:bd01/16/2018:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn09JHRY:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: NULL
dmi.product.name: XPS 13 9350
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic ubuntu
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with latest kernel
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1782934/+subscriptions
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