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38<h1>Release Notes for OpenPower Firmware v1.21.1<a class="headerlink" href="#release-notes-for-openpower-firmware-v1-21-1" title="Permalink to this headline">ΒΆ</a></h1>
39<p>This is a point release on top of op-build v1.21.</p>
40<p>Like v1.21, this release is NOT intended for GA POWER9 platforms, for that,
41op-build v2.0 is <em>required</em>.</p>
42<p>Changes since v1.21:</p>
43<ul class="simple">
44<li>skiboot v5.10.1<ul>
45<li>libflash/blocklevel: Correct miscalculation in blocklevel_smart_erase()</li>
46<li>NPU2 HMIs: dump out a <em>LOT</em> of npu2 registers for debugging</li>
47</ul>
48</li>
49<li>linux 4.14.22-openpower1<ul>
50<li>40be210c830e powerpc: Fix DABR match on hash based systems</li>
51<li>3b09911d3beb powerpc/xive: Use hw CPU ids when configuring the CPU queues</li>
52<li>892674b5058a powerpc/mm: Flush radix process translations when setting MMU type</li>
53<li>4386f223b418 powerpc/numa: Invalidate numa_cpu_lookup_table on cpu remove</li>
54<li>5b98d31481f9 powerpc/radix: Remove trace_tlbie call from radix__flush_tlb_all</li>
55<li>c3bdd547042f rtc-opal: Fix handling of firmware error codes, prevent busy loops</li>
56<li>8e56a935a4b7 cpufreq: powernv: Dont assume distinct pstate values for nominal and pmin</li>
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87<li class="toctree-l2 current"><a class="reference internal" href="index.html#v1-21">v1.21</a></li>
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101<h3>Related Topics</h3>
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104 <li><a href="index.html">op-build Release Notes</a><ul>
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