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Bug #898

iommu needs to be disabled on AMD boards with multiple iommu units

Added by Christopher Chan over 8 years ago. Updated over 8 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Start date:
2011-04-11
Due date:
% Done:

0%

Estimated time:
Difficulty:
Tags:

Description

Trying to enable iommu on AMD boards that have multiple iommu units will lead to errors and the system not working properly.

History

#1

Updated by Rich Lowe over 8 years ago

  • Project changed from site to illumos gate
#2

Updated by Rich Lowe over 8 years ago

We need to fix the bugs that having multiple IOMMUs enabled causes, not paper of them.

It would be incredibly useful if you could report the problems that having multiple IOMMUs present and enabled in the system triggers.

#3

Updated by Christopher Chan over 8 years ago

The kernel will report one iommu unit being enabled but then report an error for the other one and then things just go haywire with endless reports from the kernel. It is a production box so I do not have the luxury of stopping it and booting an usb image to collect data on the errors and sorry about the fuzzy report because I tried enabling the iommu in Q4 of last year.

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