Re: (subset) [PATCH v2 0/2] Fix for storage corruption w/ AMD IOMMU on 64-bit addressing
From: Niklas Cassel
Date: Sun Sep 27 2026 - 03:16:19 EST
On Tue, 08 Sep 2026 14:05:58 -0500, Mario Limonciello wrote:
> An issue has been reported by a number of people that corruption
> was occurring on storage for desktop systems. It's notably reported
> on SATA, but the same issue also appears on NVME.
>
> At a glance it looks like an IOMMU issue as turning off the IOMMU helps
> the issue, but it's actually a problem that occurs specifically with any
> IOVA addressed >58 bits.
>
> [...]
I modified the commit message to reference the PCI quirk which has
now landed in mainline, and thus has a proper SHA1.
Applied to libata/linux.git (for-7.4), thanks!
[2/2] Revert "ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585"
https://git.kernel.org/libata/linux/c/6b28e0e7
Kind regards,
Niklas