** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1794387
Title:
Colour banding in HP Pavilion 15-n233sl integrated display
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Cosmic:
Fix Released
Bug description:
Colour bandind is visible everywhere in the system, and it appeared
after I had my integrated monitor replaced. I believe it's not a
hardware problem, since booting with 'nomodeset' works as expected.
There were already two similar bugs,
https://bugs.launchpad.net/bugs/1749420 and
https://bugs.launchpad.net/bugs/1788308, but the fixes provided for
those bugs did not work for my specific monitor.
I'm running Ubuntu 18.04 with kernel linux-image-4.15.0-34-generic,
installing linux-image-4.18.8 with UKUU didn't help.
I attached the results of running
sudo get-edid | parse-edid in a file named edid.txt
sudo get-edid | edid-decode in a file named edid-decoded.txt
cat /proc/version_signature in version.log
sudo lspci -vnvn in lspci-vnvn.log.
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: matt 1796 F.... pulseaudio
/dev/snd/controlC1: matt 1796 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: KDE neon 18.04
InstallationDate: Installed on 2018-09-27 (0 days ago)
InstallationMedia: neon devunstable "Bionic" - Build amd64 LIVE Binary
20180924-13:08
Lsusb:
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 04f2:b40e Chicony Electronics Co., Ltd HP Truevision
HD camera
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Hewlett-Packard HP Pavilion 15 Notebook PC
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-34-generic
root=UUID=c3f61207-d13e-474b-a499-98030ddef8e1 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-34-generic N/A
linux-backports-modules-4.15.0-34-generic N/A
linux-firmware 1.173.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: bionic
Uname: Linux 4.15.0-34-generic x86_64
UnreportableReason: Questa segnalazione riguarda un pacchetto che non รจ
installato.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sudo
_MarkForUpload: False
dmi.bios.date: 03/13/2017
dmi.bios.vendor: Insyde
dmi.bios.version: F.71
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 2166
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 29.42
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.71:bd03/13/2017:svnHewlett-Packard:pnHPPavilion15NotebookPC:pvr098B110000404100000620180:rvnHewlett-Packard:rn2166:rvr29.42:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV X=Null
dmi.product.name: HP Pavilion 15 Notebook PC
dmi.product.version: 098B110000404100000620180
dmi.sys.vendor: Hewlett-Packard
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