[Bug 2149766] Re: Linux kernel 6.17.0-22.22 breaks amdxdna

** Changed in: linux (Ubuntu) Assignee: (unassigned) => Alice C. Munduruca (cremfuelled) -- You received this bug notification because you are subscribed to linux in Ubuntu. Matching subscriptions: Bgg, Bmail, Nb https://bugs.launchpad.net/bugs/2149766 Title: Linux kernel 6.17.0-22.22 breaks amdxdna Status in linux package in Ubuntu: New Status in linux-hwe-6.17 package in Ubuntu: New Status in linux-oem-6.17 package in Ubuntu: New Bug description: The kernel update causes amdxdna to no longer load. [ 30.859857] amdxdna 0000:c7:00.1: [drm] *ERROR* amdxdna_drm_open: SVA bind device failed, ret -95 It works fine on 6.17.0-20. This is caused by this stable update: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2142250 Specifically this commit: " iommu: disable SVA when CONFIG_X86 is set" It was also reported in 6.18.y upstream. https://lore.kernel.org/stable/870872aa-28e9-412a-bac6-8020bf560e4f@amd.com/ These commits are needed to fix it. commit 27bfafac65d8 ("mm: add a ptdesc flag to mark kernel page tables") commit 977870522af3 ("mm: actually mark kernel page table pages") commit 412d000346ea ("x86/mm: use 'ptdesc' when freeing PMD pages") commit 018942956723 ("mm: introduce pure page table freeing function") commit bf9e4e30f353 ("x86/mm: use pagetable_free()") commit 5ba2f0a15564 ("mm: introduce deferred freeing for kernel page tables") commit e37d5a2d60a3 ("iommu/sva: invalidate stale IOTLB entries for kernel address space") To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2149766/+subscriptions