[dpdk-dev] doc: add known issue for uio_pci_generic in XL710

Message ID 1482460523-74460-1-git-send-email-jia.guo@intel.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel compilation success Compilation OK

Commit Message

Guo, Jia Dec. 23, 2016, 2:35 a.m. UTC
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@intel.com>
---
 doc/guides/rel_notes/known_issues.rst | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
  

Comments

Jingjing Wu Jan. 9, 2017, 7:16 a.m. UTC | #1
> -----Original Message-----
> From: Guo, Jia
> Sent: Friday, December 23, 2016 10:35 AM
> To: Zhang, Helin <helin.zhang@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>
> Cc: dev@dpdk.org; Guo, Jia <jia.guo@intel.com>
> Subject: [PATCH] doc: add known issue for uio_pci_generic in XL710
> 
> 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@intel.com>

Acked-by: Jingjing Wu <jingjing.wu@intel.com>
  

Patch

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).