Linux kernel regression status

All known activities:

• Re: [PATCH v2 4/4] iommu: Get DT/ACPI parsing into the proper probe path
  , by Bjorn Helgaas [via dup]
• Re: [PATCH v2 4/4] iommu: Get DT/ACPI parsing into the proper probe path
  , by Bjorn Helgaas
• Re: [PATCH v2 4/4] iommu: Get DT/ACPI parsing into the proper probe path
  , by Eric Auger

Regzbot command history:

• note: "[PATCH RESEND v2] amba: bus: Fix race condition during DMA configure at IOMMU probe time" contains a 'Fixes:' tag for the culprit of this regression
  , by Ketan Kishore
• note: "[PATCH v2] amba: bus: Fix race condition during DMA configure at IOMMU probe time" contains a 'Fixes:' tag for the culprit of this regression
  , by Ketan Kishore
• note: "[PATCH] amba: bus: Fix race condition during DMA configure at IOMMU probe time" contains a 'Fixes:' tag for the culprit of this regression
  , by Ketan Kishore
• note: "[PATCH] iommu/mediatek-v1: add .of_xlate and defer arm_iommu_create_mapping()" contains a 'Fixes:' tag for the culprit of this regression
  , by Daniel Golle
• note: "[PATCH] iommu: Fix bypass of IOMMU readiness check for multi-IOMMU devices" contains a 'Fixes:' tag for the culprit of this regression
  , by Tudor Ambarus
• note: "[PATCH 1/2] PCI: Extend pci_idt_bus_quirk() for IDT switch with Device ID 0x8090" contains a 'Fixes:' tag for the culprit of this regression
  , by Manivannan Sadhasivam via B4 Relay
• note: 'f875c3d5e302' in 'stable/linux-6.16.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: "[PATCH 6.16 291/457] iommu/virtio: Make instance lookup robust" contains a 'Fixes:' tag for the culprit of this regression
  , by Greg Kroah-Hartman
• note: "[PATCH 6.16.y 2/2] iommu/virtio: Make instance lookup robust" contains a 'Fixes:' tag for the culprit of this regression
  , by Sasha Levin
• note: "FAILED: patch "[PATCH] iommu/virtio: Make instance lookup robust" failed to apply to 6.16-stable tree" contains a 'Fixes:' tag for the culprit of this regression
  , by gregkh
• note: '72b6f7cd89ce' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '72b6f7cd89ce' in 'mainline' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '6199778c7834' in 'stable/linux-6.16.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '1806b3510a31' in 'stable/linux-6.15.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: "[PATCH v2] iommu/virtio: Make instance lookup robust" contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: "[RFC] iommu: Fix virtio-iommu probing" contains a 'Fixes:' tag for the culprit of this regression
  , by Eric Auger
• note: "[PATCH 6.15 287/480] PCI: Fix driver_managed_dma check" contains a 'Fixes:' tag for the culprit of this regression
  , by Greg Kroah-Hartman
• note: "[PATCH 6.16 395/627] PCI: Fix driver_managed_dma check" contains a 'Fixes:' tag for the culprit of this regression
  , by Greg Kroah-Hartman
• duplicate: https://lore.kernel.org/all/20250811170136.GA144788@bhelgaas/
  , by Thorsten Leemhuis
• summary: iommu: iommu group missing, breaks virtio-iommu along with qemu
  , by Thorsten Leemhuis
• introduced: bcb81ac6ae3c
  , by Thorsten Leemhuis
• note: 'a0842539e8ef' in 'stable/linux-6.12.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: 'ce7d3b2f6f39' in 'stable/linux-6.13.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: '69f9d2d37d12' in 'stable/linux-6.14.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: '2f75cb27bef4' in 'stable/linux-6.1.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: '6abd09bed43b' in 'stable/linux-6.6.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: '2aa63f42a399' in 'stable/linux-6.14.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: 'b5afaa296d5e' in 'stable/linux-6.15.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '73ca3e364994' in 'stable/linux-6.15.y' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '73d2f10957f5' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: 'f48dcda8f6a4' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: 'f90aa59eb299' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '47216638b6e7' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Zhangfei Gao
• note: 'd9d3cede4167' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '38e8844005e6' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Louis-Alexis Eyraud
• note: 'c8ba3f8aff67' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Zhangfei Gao
• note: 'da33e87bd2bf' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '95deee37a123' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Will McVicker
• note: '152f33ee30ee' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy
• note: '78447d4545b2' in 'next' contains a 'Fixes:' tag for the culprit of this regression
  , by Robin Murphy

When fixing, add this to the commit message to make regzbot notice patch postings and commits to resolve the issue:

• Fixes: bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
• Reported-by: Bjorn Helgaas <helgaas@kernel.org>
• Link: https://lore.kernel.org/r/20250811170136.GA144788@bhelgaas/
• Reported-by: Eric Auger <eauger@redhat.com>
• Link: https://lore.kernel.org/r/cc77e5ab-daab-4ae4-9e5a-0329b5324730@redhat.com/