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authorErlang/OTP <[email protected]>2012-11-26 15:48:29 +0100
committerErlang/OTP <[email protected]>2012-11-26 15:48:29 +0100
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Prepare releaseOTP_R15B03
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</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 5.9.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix linking in OpenBSD. (Thanks to Matthew Dempsky)</p>
+ <p>
+ Own Id: OTP-10395</p>
+ </item>
+ <item>
+ <p>
+ Fix bug causing fallback atomics to be used even though
+ healthy gcc atomics or libatomic_ops was detected.</p>
+ <p>
+ Own Id: OTP-10418</p>
+ </item>
+ <item>
+ <p>
+ Ensure 'erl_crash.dump' when asked for it. This will
+ change erl_crash.dump behaviour.</p>
+ <p>
+ * Not setting ERL_CRASH_DUMP_SECONDS will now terminate
+ beam immediately on a crash without writing a crash dump
+ file.</p>
+ <p>
+ * Setting ERL_CRASH_DUMP_SECONDS to 0 will also terminate
+ beam immediately on a crash without writing a crash dump
+ file, i.e. same as not setting ERL_CRASH_DUMP_SECONDS
+ environment variable.</p>
+ <p>
+ * Setting ERL_CRASH_DUMP_SECONDS to a negative value will
+ let the beam wait indefinitely on the crash dump file
+ being written.</p>
+ <p>
+ * Setting ERL_CRASH_DUMP_SECONDS to a positive value will
+ let the beam wait that many seconds on the crash dump
+ file being written.</p>
+ <p>
+ A positive value will set an alarm/timeout for restart
+ both in beam and in heart if heart is running.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-10422 Aux Id: kunagi-250 [161] </p>
+ </item>
+ <item>
+ <p>
+ Fix bug where MSVRT100.dll was not included in the
+ windows installer.</p>
+ <p>
+ Own Id: OTP-10481</p>
+ </item>
+ <item>
+ <p>In the expression
+ <c>&lt;&lt;Bin/binary,...&gt;&gt;</c>, if <c>Bin</c> was
+ a bitstring with a size not a multiple of 8, either no
+ exception was generated or an incorrect exception was
+ generated. (Thanks to Adam Rutkowski for reporting this
+ bug.)</p>
+ <p>
+ Own Id: OTP-10524</p>
+ </item>
+ <item>
+ <p>
+ The runtime system could crash while scheduling a port
+ task. The port task was scheduled either due to an
+ external I/O event being triggered, a driver timeout
+ being triggered, or data being sent over a distribution
+ channel.</p>
+ <p>
+ Own Id: OTP-10556</p>
+ </item>
+ <item>
+ <p>
+ <c>erlang:memory(ets)</c> erroneously included the size
+ of each ETS-table main structure twice.</p>
+ <p>
+ Own Id: OTP-10558</p>
+ </item>
+ <item>
+ <p>
+ Fix compile error in generated file hipe_amd64_bifs.S for
+ Solaris.</p>
+ <p>
+ Own Id: OTP-10577</p>
+ </item>
+ <item>
+ <p>
+ A faulty spec for process_info/2 could cause false
+ dialyzer warnings. The spec is corrected.</p>
+ <p>
+ Own Id: OTP-10584</p>
+ </item>
+ <item>
+ <p>
+ In very rare cases, the VM could crash if a garbage
+ collector was called while executing an appending bit
+ syntax instruction. The symptom was a core when
+ reallocating memory in the function erts_bs_append. The
+ garbage collector bug is now corrected.</p>
+ <p>
+ Own Id: OTP-10590</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Improve support for building and testing in embedded ppc
+ environments.</p>
+ <p>
+ Own Id: OTP-10265 Aux Id: kunagi-159
+ [daf97f67-5724-4812-a5b6-7e86990133d2-1] </p>
+ </item>
+ <item>
+ <p>
+ Due to a race condition on Windows, sometimes when
+ printing to standard output and then immediately
+ terminating erlang all data would not be printed. The
+ emulator now waits for all data to be printed before
+ exiting.</p>
+ <p>
+ Own Id: OTP-10325 Aux Id: kunagi-166
+ [dd72d0e2-3e76-4a51-8b56-7564e24eecae] </p>
+ </item>
+ <item>
+ <p>
+ The frequency with which sleeping schedulers are woken
+ due to outstanding memory deallocation jobs has been
+ reduced.</p>
+ <p>
+ Own Id: OTP-10476 Aux Id: OTP-10162 </p>
+ </item>
+ <item>
+ <p>
+ Clearer warnings about the dangers of misuse of <seealso
+ marker="erl_nif#WARNING">native functions</seealso> and
+ <seealso marker="erl_driver#WARNING">drivers</seealso>
+ have been added to the documentation.</p>
+ <p>
+ Own Id: OTP-10557</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 5.9.2</title>
<section><title>Fixed Bugs and Malfunctions</title>