[dpdk-dev] [PATCH] doc: add known issue for uio_pci_generic in XL710
Jeff Guo
jia.guo at intel.com
Fri Dec 23 03:35:23 CET 2016
When bind with uio_pci_generic in XL710, the result is failed.
uio_pci_generic is not supported by XL710.
Signed-off-by: Jeff Guo <jia.guo at intel.com>
---
doc/guides/rel_notes/known_issues.rst | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes/known_issues.rst
index 3cd4237..3abcb64 100644
--- a/doc/guides/rel_notes/known_issues.rst
+++ b/doc/guides/rel_notes/known_issues.rst
@@ -640,3 +640,25 @@ I40e VF may not receive packets in the promiscuous mode
**Driver/Module**:
Poll Mode Driver (PMD).
+
+
+uio_pci_generic bind failed in XL710
+-------------------------------------------------------
+
+**Description**:
+ uio_pci_generic is not supported by XL710, since the errata of XL710 that the feature
+ about the Interrupt Status bit is not implemented.The errata is the item #71 from the
+ `xl710 controller spec <http://www.intel.com/content/www/us/en/embedded/products/networking/xl710-10-40-controller-spec-update.html>`_.
+
+**Implication**:
+ When bind uio_pci_generic, the uio_pci_generic probe device and check the Interrupt
+ Status bit related feature of NICs , since it is not supported by XL710 so it return failed.
+
+**Resolution/Workaround**:
+ Do not bind to use uio_pci_generic in XL710 NICs.
+
+**Affected Environment/Platform**:
+ All.
+
+**Driver/Module**:
+ Poll Mode Driver (PMD).
--
1.9.3
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