linux-kernel - Re: [REGRESSION][BISECTED] PCI Passthrough / SR-IOV Failure on Stable Kernel ≥ v6.12.35

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Message-ID: <5F974FF84FAB6BD8+4a13da11-7f32-4f58-987a-9b7e1eaeb4aa@bbaa.fun>
Date: Tue, 22 Jul 2025 21:14:08 +0800
From: Ban ZuoXiang <bbaa@...a.fun>
To: Baolu Lu <baolu.lu@...ux.intel.com>
Cc: iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org, bbaa@...a.moe
Subject: Re: [REGRESSION][BISECTED] PCI Passthrough / SR-IOV Failure on Stable Kernel ≥ v6.12.35

> Thanks for reporting. Can this issue be reproduced with the latest
> mainline linux kernel? Can it work if you simply revert this commit?
>
> Thanks,
> baolu 

Hi, baolu

The issue cannot be reproduced on the latest mainline kernel (6.16.0-rc7-1-mainline).
The Ubuntu v6.14-series kernel which also include the commit is also not affected.
I think the issue only affects the v6.12 series in linux-stable tree. Should I wait for the stable maintainers to solve it?

Thanks,
Ban ZuoXiang