VFIO passthrough spits out thousands of messages

Bug #1874504 reported by Graeme Brett Houston BSc
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
QEMU
Expired
Undecided
Unassigned

Bug Description

started qemu as:
sudo qemu-system-sparc64 -device vfio-pci,host=0b:05.0,x-no-mmap=on,bus=pciB

messages received thousands of times:

qemu-system-sparc64: -device vfio-pci,host=0b:05.0,x-no-mmap=on,bus=pciB: iommu has granularity incompatible with target AS
qemu-system-sparc64: -device vfio-pci,host=0b:05.0,x-no-mmap=on,bus=pciB: iommu map to non memory area 4079c000

qemu version (think telling a lie as sure its 5.0)
QEMU emulator version 4.2.92
Copyright (c) 2003-2020 Fabrice Bellard and the QEMU Project developers

pci device being passed through:

0b:05.0 Display controller [0380]: 3DLabs Permedia II 2D+3D [3d3d:0009] (rev 01)
 Subsystem: Tech-Source Permedia II 2D+3D [1227:0006]
 Flags: medium devsel, IRQ 11
 Memory at 83000000 (32-bit, non-prefetchable) [disabled] [size=128K]
 Memory at 82800000 (32-bit, non-prefetchable) [disabled] [size=8M]
 Memory at 82000000 (32-bit, non-prefetchable) [disabled] [size=8M]
 Expansion ROM at 83020000 [disabled] [size=64K]
 Capabilities: <access denied>
 Kernel driver in use: vfio-pci

Tags: sparc64 vfio
Revision history for this message
Graeme Brett Houston BSc (gh975223) wrote :
Revision history for this message
Artyom Tarasenko (atar4qemu) wrote :

Is this a regression? Can you please bisect to the first commit where it happened?

Thomas Huth (th-huth)
Changed in qemu:
status: New → Incomplete
Revision history for this message
Launchpad Janitor (janitor) wrote :

[Expired for QEMU because there has been no activity for 60 days.]

Changed in qemu:
status: Incomplete → Expired
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