Unattached from this bug being closed because of inactivity I tried
again the DisplayPort adapter under kernel 4.17.3. That didn't work at
all, screen blackouts blinking from the beginning.
** Changed in: linux (Ubuntu)
Status: Expired => Incomplete
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https://bugs.launchpad.net/bugs/1762989
Title:
Display Port issues - screen blackouts
Status in linux package in Ubuntu:
Incomplete
Bug description:
I use a Philips BDM4037U 40'', 4k monitor.
Connecting it via DP to my Lenovo 910 4k gives me random blackouts.
It appears to me that this mostly happens after some time of work,
also more likely when the CPU has to handle more than average load,
sooner in 30Hz than in 60Hz mode. But it happens for sure after some
time, each day.
I was unsure if this is a problem with the monitor itself (although when
connected via HDMI this isn't an issue).
I found similar bug reports for Windows, where it was suggested to update the
firmware.
My laptop has updated everything - a current BIOS (which dates back to June
2017 or so), updated Windows, latest Ubuntu.
The same problem existed in 17.10, with x-org and Wayland sessions.
Note, there is another issue with this monitor filed by me, but
unrelated AFAIK:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1762986
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-13-generic 4.15.0-13.14 [modified:
boot/vmlinuz-4.15.0-13-generic]
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thet 1429 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 11 12:07:06 2018
HibernationDevice: RESUME=UUID=bedd1248-32dd-43ca-be9f-28337086ea86
InstallationDate: Installed on 2018-04-09 (1 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
MachineType: LENOVO 80VF
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-13-generic.efi.signed
root=UUID=998520ff-c841-45ab-8312-2bb876ae2a0b ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-13-generic N/A
linux-backports-modules-4.15.0-13-generic N/A
linux-firmware 1.173
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/31/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: 2JCN39WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Agera
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo YOGA 910-13IKB
dmi.modalias:
dmi:bvnLENOVO:bvr2JCN39WW:bd05/31/2017:svnLENOVO:pn80VF:pvrLenovoYOGA910-13IKB:rvnLENOVO:rnAgera:rvrSDK0J40709WIN:cvnLENOVO:ct31:cvrLenovoYOGA910-13IKB:
dmi.product.family: IDEAPAD
dmi.product.name: 80VF
dmi.product.version: Lenovo YOGA 910-13IKB
dmi.sys.vendor: LENOVO
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