[Bug 2143294] Re: Ubuntu 24.04: kernel 6.17.0-14-generic causes AMDGPU init failure (MES timeout r=-110) and/or kernel panic; 6.14.0-37 works

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Title:
Ubuntu 24.04: kernel 6.17.0-14-generic causes AMDGPU init failure (MES
timeout r=-110) and/or kernel panic; 6.14.0-37 works

Status in linux package in Ubuntu:
Confirmed

Bug description:
Product/Package: linux (and possibly linux-meta-oem-6.17 if OEM kernel
was involved)

System:

Laptop: HP Victus 15 (Ryzen 7 7445HS, Radeon 740M iGPU, RTX 4050 dGPU)

Ubuntu 24.04 LTS (dual-boot with Windows 11)

Working kernel: 6.14.0-37-generic (uname -r shows 6.14.0-37-generic)

Candidate HWE kernel on my mirror: linux-generic-hwe-24.04 → 6.17.0-14.14~24.04.1
​

Problem summary:
After updating to kernel 6.17.0-14-generic, the system failed to boot reliably. I saw either a kernel panic on the "Ubuntu" GRUB entry or a hang/no-graphics during AMDGPU initialization. Booting an older kernel (6.14.0-37-generic) from "Advanced options for Ubuntu" works normally.

Relevant log excerpt (from failed 6.17 boot):

amdgpu: MES failed to respond to msg=SET_HW_RSRC_1

[drm:mes_v11_0_hw_init [amdgpu]] *ERROR* failed ... r=-110

amdgpu: hw_init of IP block <gfx_v11_0> failed -110

amdgpu: Fatal error during GPU init

Followed by warning: amdgpu_irq_put ...
​

Notes / what fixed it:

Removing/purging the 6.17 kernel and rebuilding grub restored stable
boots on 6.14.

On my system, linux-generic-hwe-24.04 is not installed; it shows candidate 6.17.0-14... so it looks like 6.17 is being offered via updates.
​

Links to possibly related upstream/Ubuntu issues:

Kernel panic reports for 6.17.0-14-generic are tracked/confirmed in Ubuntu bug #2141203.
​

Similar AMDGPU "failed to write reg … wait reg …" / init failures reported for the 6.17 OEM line in bug #2132337.
​

Request:
Please advise whether this is a known regression in 6.17 (AMDGPU MES/GFX init path and/or initramfs generation) affecting AMD iGPU systems, and whether a fixed 6.17 build is planned for noble-updates.

Attachments I can provide:

journalctl -k -b -1 from the failed boot

/var/log/apt/history.log around the kernel upgrade

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