kernel(64bits) 4.15.0.42 causes a slowdown of the PC, reduces the size of the display, and a blocking if I try to run "NVIDIA X Server Settings". If I chose the kernel 4.15.0.39 at startup the operation of ubuntu is normal.
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: jojo 1715 F.... pulseaudio
/dev/snd/controlC0: jojo 1715 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: Ubuntu 18.04
HibernationDevice: RESUME=UUID=5bc4301e-f8ce-487d-a740-e39dfd66f73a
InstallationDate: Installed on 2017-04-15 (598 days ago)
InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
IwConfig:
lo no wireless extensions.
enp1s7 no wireless extensions.
enp0s10 no wireless extensions.
Lsusb:
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Package: linux (not installed)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-42-generic root=UUID=6bef0add-9945-4094-b0b2-c7c5ebc3d17a ro
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-42-generic N/A
linux-backports-modules-4.15.0-42-generic N/A
linux-firmware 1.173.2
RfKill:
Tags: bionic
Uname: Linux 4.15.0-42-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-05-07 (211 days ago)
UserGroups: adm audio cdrom dialout disk plugdev scanner sudo tty wireshark
_MarkForUpload: True
dmi.bios.date: 01/13/2006
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F6
dmi.board.name: GA-K8NF-9
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd01/13/2006:svn:pn:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-K8NF-9:rvrx.x:cvn:ct3:cvr:
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1806852
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.