Public bug reported:
Ubuntu 24.04 Noble
Kernel: 6.17.0-19-generic (linux-hwe-6.17)
Hardware: Acer Aspire AL16-71P
lspci VGA: Intel Meteor Lake-P [Intel Arc Graphics] (8086:7d55 rev 08)
dmesg:
i915 0000:00:02.0: [drm] *ERROR* [CRTC:88:pipe A] DSB 0 poll error
i915.conf:
options i915 enable_guc=3 enable_psr=0 enable_dc=0 enable_fbc=0 fastboot=1
GRUB: i915.enable_psr=0 i915.enable_dc=0
GuC/HuC: 70.36.0 loaded
PSR: 0
Mesa Intel Arc (MTL)
System lags/freezes. Expected: no DSB error.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-19-generic 6.17.0-19.19~24.04.2
ProcVersionSignature: Ubuntu 6.17.0-19.19~24.04.2-generic 6.17.13
Uname: Linux 6.17.0-19-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pavlov 4404 F.... wireplumber
/dev/snd/seq: pavlov 4399 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 27 05:52:48 2026
InstallationDate: Installed on 2026-03-25 (1 days ago)
InstallationMedia: Ubuntu 24.04.4 LTS "Noble Numbat" - Release amd64 (20260210)
MachineType: Acer Aspire AL16-71P
ProcEnviron:
LANG=ru_RU.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-19-generic
root=UUID=7645debf-57b9-4395-a910-5c1a5b345085 ro quiet splash
i915.enable_psr=0 i915.enable_dc=0 vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.17.0-19-generic N/A
linux-backports-modules-6.17.0-19-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.25
SourcePackage: linux-hwe-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/30/2025
dmi.bios.release: 5.32
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: V1.13
dmi.board.asset.tag: Default string
dmi.board.name: CTE_NB_AL160P1_MTH
dmi.board.vendor: MTL
dmi.board.version: V1.13
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.13
dmi.ec.firmware.release: 1.13
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrV1.13:bd12/30/2025:br5.32:efr1.13:svnAcer:pnAspireAL16-71P:pvrV1.13:rvnMTL:rnCTE_NB_AL160P1_MTH:rvrV1.13:cvnAcer:ct10:cvrV1.13:sku0000000000000000:
dmi.product.family: Aspire Lite
dmi.product.name: Aspire AL16-71P
dmi.product.sku: 0000000000000000
dmi.product.version: V1.13
dmi.sys.vendor: Acer
** Affects: linux-hwe-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2146503
Title:
i915 DSB poll error Meteor Lake-P Arc Graphics Ubuntu 24.04
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