linux-kernel - Re: amdgpu driver rebinding broken by "drm/amd: Clean up kfd node on surprise disconnect"

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Message-ID: <cf71b8c3-23b9-21c6-44e-7c5e395b3bb4@absolutedigital.net>
Date: Thu, 5 Feb 2026 17:24:23 -0500 (EST)
From: Cal Peake <cp@...olutedigital.net>
To: Mario Limonciello <mario.limonciello@....com>
cc: Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mario Limonciello <superm1@...nel.org>,
        Kent Russell <kent.russell@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: Re: amdgpu driver rebinding broken by "drm/amd: Clean up kfd node
 on surprise disconnect"

On Thu, 5 Feb 2026, Mario Limonciello wrote:

> On 2/3/26 4:27 PM, Cal Peake wrote:
> > Hi,
> > 
> > The recent commit 28695ca09d32: "drm/amd: Clean up kfd node on surprise
> > disconnect," has broken something with my VMs utilizing PCI passthrough.
> > Before launching the VM, I unbind a secondary Radeon GPU from the amdgpu
> > driver and then to the vfio-pci driver.
> > 
> > [...]
> > 
> Here's a solution:
> https://lore.kernel.org/amd-gfx/20260205164254.4091912-1-mario.limonciello@amd.com/
> 

Thank you, Mario, that does the trick.

-- 
Cal Peake