** Also affects: linux-hwe-6.14 (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-hwe-6.14 (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: linux-hwe-6.14 (Ubuntu Noble)
Status: New => Incomplete
** Changed in: linux-hwe-6.14 (Ubuntu Noble)
Importance: Undecided => Medium
** Changed in: linux-hwe-6.14 (Ubuntu Noble)
Assignee: (unassigned) => Alice C. Munduruca (cremfuelled)
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-hwe-6.14 in Ubuntu.
https://bugs.launchpad.net/bugs/2120504
Title:
Kernel 6.14 causes suspend and sleep issues
Status in linux-hwe-6.14 package in Ubuntu:
Incomplete
Status in linux-hwe-6.14 source package in Noble:
Incomplete
Bug description:
Issue: After the kernel is updated from 6.11 HWE to 6.14 HWE in an upgrade,
the PC experiences suspend issues every time being put to sleep. After pressing
sleep, the system would go blackscreen and freeze, with the mouse pointer still
visible at first, then the screen would start to flicker randomly; the system
is unresponsive to key-press in this state, and would last for minutes before
successfully suspending. This bug is reproducible every time every time the PC
suspends on kernel 6.14. Switching back to kernel 6.11 on boot solves the issue
completely (system suspend takes under 2 seconds), and switching to kernel 6.14
causes the stated issue to be reproduced. Cold-rebooting several times did not
solve the problem.
System: KUbuntu 24.04 (HWE)/ AMD ryzen 9 3950x/ 128GiB RAM/ Radeon RX6600xt/
ASUS Prime x570-pro (Bios 5013)/ Display: 3840x2160, XOrg, KWin compositor,
using the default AMDGPU driver. Using NVME drives. Only KUbuntu installed.
Additional info: The system has been running stably and trouble-free since
setup until this update, no recent hardware changes, no major recent
software/config changes. The DMESG during the issue is attached.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.14.0-27-generic 6.14.0-27.27~24.04.1
ProcVersionSignature: Ubuntu 6.11.0-26.26~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-26-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: kagamisaki 2519 F.... wireplumber
/dev/snd/controlC0: kagamisaki 2519 F.... wireplumber
/dev/snd/seq: kagamisaki 2517 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Tue Aug 12 22:26:25 2025
InstallationDate: Installed on 2022-05-02 (1198 days ago)
InstallationMedia: Kubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220419)
MachineType: System manufacturer System Product Name
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-26-generic
root=UUID=4bb10288-f61c-475e-bd2d-445ff20f7c27 ro quiet splash delayacct
zswap.enabled=1 amd_pstate=active 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-6.11.0-26-generic N/A
linux-backports-modules-6.11.0-26-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.15
SourcePackage: linux-hwe-6.14
UpgradeStatus: Upgraded to noble on 2025-03-01 (165 days ago)
dmi.bios.date: 03/22/2024
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5013
dmi.board.asset.tag: Default string
dmi.board.name: PRIME X570-PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr5013:bd03/22/2024:br5.17:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEX570-PRO:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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