[dpdk-dev] [PATCH v2] doc: document known issues for multiprocess
Anatoly Burakov
anatoly.burakov at intel.com
Tue May 29 17:43:06 CEST 2018
Also, reference Bugzilla entry for keeping most current information in
one place.
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
Notes:
v2: clarify wording
doc/guides/rel_notes/release_18_05.rst | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst
index e8d74f507..a2526666a 100644
--- a/doc/guides/rel_notes/release_18_05.rst
+++ b/doc/guides/rel_notes/release_18_05.rst
@@ -568,6 +568,19 @@ Known Issues
dpdk-pdump example and any other applications using librte_pdump, cannot work
with older version DPDK primary applications.
+* **Secondary process launch is not reliable.**
+
+ Recent memory hotplug patches have made multiprocess startup less reliable
+ than it was in the past. A number of workarounds are known to work depending
+ on the circumstances. As such it isn't recommended to use the secondary
+ process mechanism for critical systems. The underlying issues will be
+ addressed in upcoming releases.
+
+ The issue is explained in more detail, including potential workarounds,
+ in the Bugzilla entry referenced below.
+
+ Bugzilla entry: https://dpdk.org/tracker/show_bug.cgi?id=50
+
Shared Library Versions
-----------------------
--
2.17.0
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