*** This bug is a duplicate of bug 2062951 ***
https://bugs.launchpad.net/bugs/2062951
Hi Paddy, thank you for taking the time to report this issue.
This looks like a duplicate of https://bugs.launchpad.net/bugs/2062951
If you disagree with this, please re-open this ticket, and include the
output from the command "lsmod" using both the Ubuntu kernel, and the
third party kernel you have installed.
I can examine the kernel modules that are loaded, and different between
the two kernels, and see if this is indeed the likely cause of this
behaviour.
In my experience, a missing driver would not cause intermittent issues
as you describe, but LP# 2062951 seems much more likely.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu)
Status: Invalid => New
** This bug has been marked a duplicate of bug 2062951
Random flickering with Intel i915 (Gen9 GPUs) on Linux 6.8 (Ubuntu 24.04)
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https://bugs.launchpad.net/bugs/2078054
Title:
Kernel 6.8 causes the screen to intermittently go black for several
seconds
Status in linux package in Ubuntu:
New
Bug description:
Since kernel 6.8, the screen has been going black intermittently and
unpredictably for several seconds. Sometimes it happens several times
in a row over half a minute or so, and other times just once. It
happens regularly.
dmesg shows this type of error every time:
[ 7912.265657] usb 1-9: USB disconnect, device number 17
[ 7913.557402] usb 1-9: new full-speed USB device number 18 using xhci_hcd
[ 7913.685271] usb 1-9: New USB device found, idVendor=1fd2, idProduct=8105,
bcdDevice= 1.00
[ 7913.685275] usb 1-9: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 7913.685277] usb 1-9: Product: LGDisplay Incell Touch
[ 7913.685278] usb 1-9: Manufacturer: Melfas
[ 7913.690820] input: Melfas LGDisplay Incell Touch as
/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:1FD2:8105.001F/input/input45
[ 7913.691112] hid-multitouch 0003:1FD2:8105.001F: input,hidraw2: USB HID
v1.11 Device [Melfas LGDisplay Incell Touch] on usb-0000:00:14.0-9/input0
[ 7913.691960] hid-generic 0003:1FD2:8105.0020: hiddev1,hidraw3: USB HID
v1.11 Device [Melfas LGDisplay Incell Touch] on usb-0000:00:14.0-9/input1
This is quite possibly connected to bug #2049248 because the
workaround that has been pointed out to me works also for this bug.
WORKAROUND:
From what I understand, Canonical's kernel has had some drivers
removed, causing this problem. I am now using the kernel as provided
by Zabbly [1], which is Canonical's kernel but with the drivers left
in.
[1] https://github.com/zabbly/linux
Discussion on Ubuntu Forums for this bug [2] and bug #2049248 [3].
[2] https://ubuntuforums.org/showthread.php?t=2499896
[3] https://ubuntuforums.org/showthread.php?t=2494260
Software: Ubuntu 22.04 with Pro enabled.
Hardware: Dell OptiPlex 5480 AIO All-In-One with a touchscreen monitor
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.8.0-40-generic 6.8.0-40.40~22.04.3
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 28 12:56:20 2024
InstallationDate: Installed on 2022-08-28 (731 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64
(20220809.1)
SourcePackage: linux-signed-hwe-6.8
UpgradeStatus: No upgrade log present (probably fresh install)
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