Public bug reported:
Hardware: Lenovo ThinkPad model 20ST0055AU
Boot messages show:
[ 6.397804] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 6.397901] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on minor 0
During normal operation there will intermittently be a freeze for a
second or two and then more of these messages display in the kernel
logs:
[ 505.487006] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 505.487072] [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D
[ 506.747930] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 506.748018] [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D
The system will then become operational again.
The system is still usable, but it is annoying.
I've switched onto this OEM kernel from the generic kernel (5.13), as I
had other problems with 5.13 regarding external displays not coming back
after idle timeouts.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.14.0-1036-oem 5.14.0-1036.40
ProcVersionSignature: Ubuntu 5.14.0-1036.40-oem 5.14.21
Uname: Linux 5.14.0-1036-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.23
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 12 10:29:31 2022
InstallationDate: Installed on 2021-05-05 (371 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
SourcePackage: linux-signed-oem-5.14
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Description changed:
+ Hardware: Lenovo ThinkPad model 20ST0055AU
+
Boot messages show:
[ 6.397804] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 6.397901] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on
minor 0
During normal operation there will intermittently be a freeze for a
second or two and then more of these messages display in the kernel
logs:
[ 505.487006] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 505.487072] [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D
[ 506.747930] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[ 506.748018] [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D
The system will then become operational again.
The system is still usable, but it is annoying.
I've switched onto this OEM kernel from the generic kernel (5.13), as I
had other problems with 5.13 regarding external displays not coming back
after idle timeouts.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.14.0-1036-oem 5.14.0-1036.40
ProcVersionSignature: Ubuntu 5.14.0-1036.40-oem 5.14.21
Uname: Linux 5.14.0-1036-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.23
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu May 12 10:29:31 2022
InstallationDate: Installed on 2021-05-05 (371 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
SourcePackage: linux-signed-oem-5.14
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/1973098
Title:
Intermittent freezing and LSPCON init failed kernel messages
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