https://bugzilla.kernel.org/show_bug.cgi?id=211277
--- Comment #52 from James Zhu (jamesz@amd.com) --- Created attachment 298691 --> https://bugzilla.kernel.org/attachment.cgi?id=298691&action=edit Fix for S3 hung issue
Hi Jerome and kolAflash,
I think iommu device init is put at wrong place during the resume. I attache a patch. Please confirm if it works. Thanks! James