path: root/doc/guides/rel_notes/known_issues.rst
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Diffstat (limited to 'doc/guides/rel_notes/known_issues.rst')
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes/known_issues.rst
index 37464a0..3f6d8cb 100644
--- a/doc/guides/rel_notes/known_issues.rst
+++ b/doc/guides/rel_notes/known_issues.rst
@@ -721,3 +721,24 @@ igb uio legacy mode can not be used in X710/XL710/XXV710
Poll Mode Driver (PMD).
+igb_uio can not be used when running l3fwd-power
+ 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.
+ When insmod ``igb_uio`` and running l3fwd-power APP, link status getting doesn't work properly.
+ Use vfio-pci when LSC and packet receiving interrupt enabled.
+**Affected Environment/Platform**:
+ ALL.
+ ``igb_uio`` module.