doc/release-notes/skiboot-5.1.21.html


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  <section id="skiboot-5-1-21">
<span id="id1"></span><h1>skiboot-5.1.21<a class="headerlink" href="#skiboot-5-1-21" title="Permalink to this headline">¶</a></h1>
<p>skiboot-5.1.21 was released on Tuesday 19th September 2017.</p>
<p>skiboot-5.1.21 is the 22nd stable release of 5.1, it follows skiboot-5.1.20
(which was released 18th August 2017).</p>
<p>This release contains one backported bug fix to the 5.1.x series.</p>
<p>Changes are:</p>
<ul>
<li><p>FSP: Add check to detect FSP Reset/Reload inside fsp_sync_msg()</p>
<p>During FSP Reset/Reload we move outstanding MBOX messages from msgq to
rr_queue including inflight message (fsp_reset_cmdclass()). But we are not
resetting inflight message state.</p>
<p>In extreme corner case where we sent message to FSP via fsp_sync_msg() path
and FSP Reset/Reload happens before getting respose from FSP, then we will
endup waiting in fsp_sync_msg() until everything becomes normal.</p>
<p>This patch adds fsp_in_rr() check to fsp_sync_msg() and return error to caller
if FSP is in R/R.</p>
</li>
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