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Groups > linux.debian.kernel > #94427

Bug#1150535: firmware-amd-graphics: Raphael iGPU SMU fails on resume from s2idle with 20260810 blobs, works with 20240318

From Daniel Rond <debian@rond-it.de>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1150535: firmware-amd-graphics: Raphael iGPU SMU fails on resume from s2idle with 20260810 blobs, works with 20240318
Date 2026-10-10 15:40 +0200
Message-ID <NMFsR-4Hkc-3@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: firmware-amd-graphics
Version: 20260810-1
Severity: important

On a TUXEDO Stellaris 16 Gen7 AMD (Ryzen 9 9955HX3D, Raphael iGPU, PMFW
98.26.0) suspend to idle fails on nearly every attempt with firmware-
amd-graphics 20260810-1: the iGPU SMU no longer responds on resume
(amdgpu "SMU: No response msg_reg: b", resume of IP block <smu> failed
-62), the display stays dead and only a hard reset helps. Reproducible
with pm_test=devices, i.e. without platform sleep.

Replacing only the Raphael blobs (dcn_3_1_5_dmcub, psp_13_0_8_*,
vcn_3_1_2, sdma_5_2_6, gc_10_3_6_*) with the versions from linux-
firmware 20240318 fixes it on the same kernel (7.2.7.1); the system
then reaches S0i3. Kernels 7.1.8, 7.1.10 and 7.2.7 are affected alike.

Upstream report with logs and firmware versions:
https://gitlab.freedesktop.org/drm/amd/-/issues/5962

This makes suspend unusable on affected Ryzen 9000HX laptops. Please
consider holding back the affected files or adding a NEWS/known-issue
entry until upstream has a fix.

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Thread

Bug#1150535: firmware-amd-graphics: Raphael iGPU SMU fails on resume from s2idle with 20260810 blobs, works with 20240318 Daniel Rond <debian@rond-it.de> - 2026-10-10 15:40 +0200
  Processed: Re: Bug#1150535: firmware-amd-graphics: Raphael iGPU  SMU fails on resume from s2idle with 20260810 blobs, works with 20240318 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-10-10 18:30 +0200
  Bug#1150535: firmware-amd-graphics: Raphael iGPU SMU fails on resume from s2idle with 20260810 blobs, works with 20240318 Ben Hutchings <ben@decadent.org.uk> - 2026-10-10 18:30 +0200
    Bug#1150535: firmware-amd-graphics: Raphael iGPU SMU fails on resume from s2idle with 20260810 blobs, works with 20240318 Daniel Rond <debian@rond-it.de> - 2026-10-11 09:10 +0200

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