Public bug reported:
System: Ubuntu 24.04.3 LTS
Kernel: 6.14.0-37-generic
CPU: Intel Core i5-1235U (Alder Lake)
GPU: Intel iGPU (i915)
Laptop: MSI Modern series
Problem:
The system crashes after resume from suspend when running on battery power.
The kernel reports:
x86/split lock detection: #AC: crashing the kernel on kernel split_locks
The crash does not occur when connected to AC power.
Observations:
Suspend mode is s2idle
Crash occurs during resume
Last active driver before resume is i915 (GuC/SLPC enabled)
Workarounds:
Grub add split_lock_detect=warn
Add the above workaround following on the line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
The line should now be:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash split_lock_detect=warn"
This workaround prevents the crash
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.14.0-37-generic 6.14.0-37.37~24.04.1
ProcVersionSignature: Ubuntu 6.14.0-37.37~24.04.1-generic 6.14.11
Uname: Linux 6.14.0-37-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jonathan 2594 F.... pipewire
jonathan 2598 F.... wireplumber
/dev/snd/seq: jonathan 2594 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 15 10:43:54 2025
InstallationDate: Installed on 2024-08-30 (472 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card
Reader Controller
Bus 001 Device 003: ID 5986:211b Bison Electronics Inc. HD Webcam
Bus 001 Device 004: ID 8087:0026 Intel Corp. AX201 Bluetooth
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: Micro-Star International Co., Ltd. Modern 14 C12M
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.14.0-37-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash split_lock_detect=warn
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.14.0-37-generic N/A
linux-backports-modules-6.14.0-37-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.21
SourcePackage: linux-hwe-6.14
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/30/2023
dmi.bios.release: 1.16
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: E14J1IMS.110
dmi.board.asset.tag: Default string
dmi.board.name: MS-14J1
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrE14J1IMS.110:bd03/30/2023:br1.16:svnMicro-StarInternationalCo.,Ltd.:pnModern14C12M:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-14J1:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:sku14J1.1:
dmi.product.family: Modern
dmi.product.name: Modern 14 C12M
dmi.product.sku: 14J1.1
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
** Affects: linux-hwe-6.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2136113
Title:
Suspend crash on battery
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.14/+bug/2136113/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
