I'm not sure the log messages are related to the laptop failing to boot.
Let's make this bug just about the laptop failing to boot.
In theory those log messages were bug 1798863, but you already have the
fix for that installed.
** Summary changed:
- PKCS#7 signature not signed with a trusted key
+ With nvidia-340 driver installed it won't boot to SDDM
** Also affects: sddm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1806817
Title:
With nvidia-340 driver installed it won't boot to SDDM
Status in linux package in Ubuntu:
Incomplete
Status in nvidia-graphics-drivers-340 package in Ubuntu:
Incomplete
Status in nvidia-prime package in Ubuntu:
Incomplete
Status in sddm package in Ubuntu:
Incomplete
Bug description:
It's hard to report this bug on a laptop with this driver installed,
so I'm reporting this with on my laptop with a much newer NVIDIA
driver (but not recommended).
My laptop, Lenovo Z40, has NVIDIA GeForce GT820M. With nvidia-340
driver installed it won't boot to SDDM (also tried with LightDM).
Opening up another TTY is useless because the same message "PKCS#7
signature not signed with a trusted key" keeps getting spammed. I had
to go to recovery to switch to Intel graphics.
[CODE]
$ lspci
03:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M
/ GT 620M/625M/630M/720M] (rev a1)
[/CODE]
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: yamiyukisenpai 2601 F.... pulseaudio
/dev/snd/controlC1: yamiyukisenpai 2601 F.... pulseaudio
CurrentDesktop: KDE
Dependencies:
DistroRelease: Ubuntu 18.10
InstallationDate: Installed on 2018-08-05 (121 days ago)
InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Release amd64
(20180426)
MachineType: LENOVO 20366
NonfreeKernelModules: wl
Package: nvidia-prime 0.8.10
PackageArchitecture: all
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-12-generic
root=UUID=3ac3d3b6-dc27-4365-a548-82d3be4e5ac9 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17
RelatedPackageVersions:
linux-restricted-modules-4.18.0-12-generic N/A
linux-backports-modules-4.18.0-12-generic N/A
linux-firmware 1.175.1
Tags: cosmic
Uname: Linux 4.18.0-12-generic x86_64
UpgradeStatus: Upgraded to cosmic on 2018-10-10 (55 days ago)
UserGroups: adm cdrom dip kvm lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/21/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 9BCN91WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 4A5
dmi.board.vendor: LENOVO
dmi.board.version: 31900058STD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z40-70
dmi.modalias:
dmi:bvnLENOVO:bvr9BCN91WW:bd07/21/2015:svnLENOVO:pn20366:pvrLenovoZ40-70:rvnLENOVO:rnLancer4A5:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoZ40-70:
dmi.product.family: IDEAPAD
dmi.product.name: 20366
dmi.product.sku: LENOVO_MT_20366_BU_idea_FM_Lenovo Z40-70
dmi.product.version: Lenovo Z40-70
dmi.sys.vendor: LENOVO
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