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+.. _skiboot-5.10.6:
+
+==============
+skiboot-5.10.6
+==============
+
+skiboot 5.10.6 was released on Monday May 28th, 2018. It replaces
+:ref:`skiboot-5.10.5` as the current stable release in the 5.10.x series.
+
+It is recommended that 5.10.6 be used instead of any previous 5.10.x version,
+especially due to the locking bug fixes.
+
+It is expected that this will be the final 5.10.x version, with 6.0.x taking
+over as the main stable branch.
+
+Over :ref:`skiboot-5.10.5`, we have the following fixes:
+
+- opal-prd: Do not error out on first failure for soft/hard offline.
+
+  The memory errors (CEs and UEs) that are detected as part of background
+  memory scrubbing are reported by PRD asynchronously to opal-prd along with
+  affected memory ranges. hservice_memory_error() converts these ranges into
+  page granularity before hooking up them to soft/hard offline-ing
+  infrastructure.
+
+  But the current implementation of hservice_memory_error() does not hookup
+  all the pages to soft/hard offline-ing if any of the page offline action
+  fails. e.g hard offline can fail for:
+
+  - Pages that are not part of buddy managed pool.
+  - Pages that are reserved by kernel using memblock_reserved()
+  - Pages that are in use by kernel.
+
+  But for the pages that are in use by user space application, the hard
+  offline marks the page as hwpoison, sends SIGBUS signal to kill the
+  affected application as recovery action and returns success.
+
+  Hence, It is possible that some of the pages in that memory range are in
+  use by application or free. By stopping on first error we loose the
+  opportunity to hwpoison the subsequent pages which may be free or in use by
+  application. This patch fixes this issue.
+- xive: fix missing unlock in error path
+
+  Found with sparse and some added lock annotations.
+- OPAL_PCI_SET_POWER_STATE: fix locking in error paths
+
+  Otherwise we could exit OPAL holding locks, potentially leading
+  to all sorts of problems later on.