Public bug reported:
Summary: Suspend/resume broken after latest Ubuntu update on AMD RX
What Happens: After suspend, system wakes but display remains black. VT
switching (Ctrl–Alt–F3) does not work. Only hard reboot recovers.
Regression: This started immediately after a recent Ubuntu update
Hardware: AMD RX 960 XT (Nav 44) + AMD Raphael iGPU
Relevant logs: SMU resume failure. GPU ring timeouts, GPU ring timeouts,
devcoredump created (already captured by ubuntu-bug tool)
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: linux-image-6.17.0-12-generic 6.17.0-12.12
ProcVersionSignature: Ubuntu 6.17.0-12.12-generic 6.17.2
Uname: Linux 6.17.0-12-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 7 17:54:17 2026
InstallationDate: Installed on 2025-10-20 (110 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Release amd64 (20251007)
MachineType: ASUS System Product Name
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-12-generic
root=UUID=3412c7b3-e116-4927-b603-3da7641a647b ro quiet splash
mem_sleep_default=s2idle
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
vt.handoff=7
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20250901.git993ff19b-0ubuntu1.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/11/2025
dmi.bios.release: 32.65
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3265
dmi.board.asset.tag: Default string
dmi.board.name: TUF GAMING B650E-E WIFI
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3265:bd06/11/2025:br32.65:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnTUFGAMINGB650E-EWIFI:rvrRev1.xx: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: ASUS
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug questing wayland-session
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https://bugs.launchpad.net/bugs/2141216
Title:
Suspend/resume broken after latest Ubuntu update on AMD RX 960 XT
(andgpu SMU resume failure)
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