igb_uio can not be used when running l3fwd-power

https://bugs.dpdk.org/show_bug.cgi?id=1650

Bug ID: 1650
Summary: igb_uio can not be used when running l3fwd-power
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: netuio
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---

Link Status Change(LSC) interrupt and packet receiving interrupt are all enabled in l3fwd-power APP. Because of UIO only support one interrupt, so these two kinds of interrupt need to share one, and the receiving interrupt have the higher priority, so can’t get the right link status.

Implication:
When insmod igb_uio and running l3fwd-power APP, link status getting doesn’t work properly.

Resolution/Workaround:
Use vfio-pci when LSC and packet receiving interrupt enabled.

Affected Environment/Platform:
ALL.

Driver/Module:
igb_uio module.

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http://bugs.dpdk.org/show_bug.cgi?id=1650

Thomas Monjalon ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

                 CC|                            |[email protected]
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #1 from Thomas Monjalon ([email protected]) --- UIO is deprecated.

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