Public bug reported:
Kernel is spamming "Memory failure" and "Soft-offlining" messages every
second.
Actual Evidence:
Memtest86+ passed with zero errors.
Issue occurs on latest kernel (6.19), making the console unusable.
Log shows: RAS: Soft-offlining pfn: ... and Memory failure: ...
unhandlable page.
This appears to be a firmware/ACPI issue where the platform reports
phantom hardware errors to the kernel via APEI.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-6.19.0-6-generic 6.19.0-6.6
ProcVersionSignature: Ubuntu 6.19.0-6.6-generic 6.19.2
Uname: Linux 6.19.0-6-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: lubuntu 2299 F.... wireplumber
/dev/snd/controlC0: lubuntu 2299 F.... wireplumber
/dev/snd/seq: lubuntu 2294 F.... pipewire
CasperMD5CheckResult: pass
CasperVersion: 26.04.0
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
CurrentDesktop: LXQt
Date: Fri Feb 27 13:40:06 2026
IwDevWlp2s0Link: Not connected.
LiveMediaBuild: Lubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20260224)
MachineType: ASUSTeK COMPUTER INC. T300CHIA
ProcEnviron:
LANG=C.UTF-8
LANGUAGE=
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz --- quiet splash
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20260123.git1b7b9f6c.0ubuntu
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/18/2019
dmi.bios.release: 5.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: T300CHIA.207
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: T300CHIA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrT300CHIA.207:bd04/18/2019:br5.6:svnASUSTeKCOMPUTERINC.:pnT300CHIA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnT300CHIA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:skuASUS-NotebookSKU:
dmi.product.family: T
dmi.product.name: T300CHIA
dmi.product.sku: ASUS-NotebookSKU
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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https://bugs.launchpad.net/bugs/2142852
Title:
Constant RAS "Soft-offlining pfn" spamming on ASUS T300Chi - False
memory failure reports
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