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+.. _skiboot-5.1.18:
+
+skiboot-5.1.18
+--------------
+
+skiboot-5.1.18 was released on Friday 26th August 2016.
+
+skiboot-5.1.18 is the 19th stable release of 5.1, it follows skiboot-5.1.17
+(which was released July 21st, 2016).
+
+This release contains a few minor bug fixes.
+
+Changes are:
+
+All platforms:
+
+- opal/hmi: Fix a TOD HMI failure during a race condition.
+ Rare race condition which meant we wouldn't recover from TOD error
+
+- hw/phb3: Update capi initialization sequence
+ The capi initialization sequence was revised in a circumvention
+ document when a 'link down' error was converted from fatal to Endpoint
+ Recoverable. Other, non-capi, register setup was corrected even before
+ the initial open-source release of skiboot, but a few capi-related
+ registers were not updated then, so this patch fixes it.
+ The point is that a link-down error detected by the UTL logic will
+ lead to an AIB fence, so that the CAPP unit can detect the error.
+
+FSP platforms:
+
+- FSP/ELOG: Fix OPAL generated elog resend logic
+- FSP/ELOG: Fix possible event notifier hangs
+- FSP/ELOG: Disable event notification if list is not consistent
+- FSP/ELOG: Fix OPAL generated elog event notification
+- FSP/ELOG: Disable event notification during kexec