<html><head></head><body><div class="ydp56b01d32yahoo-style-wrap" style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div></div>
<div dir="ltr" data-setdir="false">Hi <span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">Sandhya, Paul,</span></span></div><div dir="ltr" data-setdir="false"><span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><br></span></span></div><div dir="ltr" data-setdir="false"><span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">Thank you for looking into it and fixing. You do a massive job for us, humans. </span></span></div><div dir="ltr" data-setdir="false"><span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><br></span></span></div><div dir="ltr" data-setdir="false"><span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">Best regards,</span></span></div><div dir="ltr" data-setdir="false"><span><span style="color: rgb(38, 40, 42); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">Aurelian</span></span></div><div><br></div>
</div><div id="ydp43fca2cayahoo_quoted_2449499544" class="ydp43fca2cayahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div>
On Saturday, December 2, 2023 at 04:37:55 AM GMT+2, Viswanathan, Sandhya <sandhya.viswanathan@intel.com> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div dir="ltr">Hi Aurelian,<br clear="none"><br clear="none">Thank a lot for bringing this to our notice. The following patch to the JVM source should fix the problem you are having:<br clear="none"><br clear="none">------<br clear="none">diff --git a/src/hotspot/cpu/x86/assembler_x86.hpp b/src/hotspot/cpu/x86/assembler_x86.hpp<br clear="none">index c6083d844aa..6086a72c7a5 100644<br clear="none">--- a/src/hotspot/cpu/x86/assembler_x86.hpp<br clear="none">+++ b/src/hotspot/cpu/x86/assembler_x86.hpp<br clear="none">@@ -316,7 +316,7 @@ class Address {<br clear="none"> }<br clear="none"><br clear="none"> bool xmmindex_needs_rex() const {<br clear="none">- return _xmmindex->is_valid() && _xmmindex->encoding() >= 8;<br clear="none">+ return _xmmindex->is_valid() && ((_xmmindex->encoding() & 8) == 8);<br clear="none"> }<br clear="none"><br clear="none"> relocInfo::relocType reloc() const { return _rspec.type(); }<br clear="none"><br clear="none">-----<br clear="none"><br clear="none">I have filed a bug report (https://bugs.openjdk.org/browse/JDK-8321215). I plan to send a pull request next week for review.<br clear="none"><br clear="none">Best Regards,<br clear="none">Sandhya<br clear="none"><div class="ydp43fca2cayqt1598004501" id="ydp43fca2cayqtfd69848"><br clear="none">-----Original Message-----<br clear="none">From: Paul Sandoz <<a shape="rect" href="mailto:paul.sandoz@oracle.com" rel="nofollow" target="_blank">paul.sandoz@oracle.com</a>> <br clear="none">Sent: Thursday, November 30, 2023 3:26 PM<br clear="none">To: Aurelian Tutuianu <<a shape="rect" href="mailto:padreati@yahoo.com" rel="nofollow" target="_blank">padreati@yahoo.com</a>><br clear="none">Cc: panama-dev@openjdk.org; Bhateja, Jatin <<a shape="rect" href="mailto:jatin.bhateja@intel.com" rel="nofollow" target="_blank">jatin.bhateja@intel.com</a>>; Viswanathan, Sandhya <<a shape="rect" href="mailto:sandhya.viswanathan@intel.com" rel="nofollow" target="_blank">sandhya.viswanathan@intel.com</a>><br clear="none">Subject: Re: Guidance regarding reporting a bug probably related with VectorAPI<br clear="none"><br clear="none">Thanks. Based on the CPU flags I think we need to attempt to reproduce on an AVX-512 system.<br clear="none"><br clear="none">Paul.<br clear="none"><br clear="none">> On Nov 30, 2023, at 3:12 PM, Aurelian Tutuianu <<a shape="rect" href="mailto:padreati@yahoo.com" rel="nofollow" target="_blank">padreati@yahoo.com</a>> wrote:<br clear="none">> <br clear="none">> Hi Paul,<br clear="none">> <br clear="none">> Thank you for looking into it. This is what is shown when I run the code on my machine:<br clear="none">> <br clear="none">> #<br clear="none">> # A fatal error has been detected by the Java Runtime Environment:<br clear="none">> #<br clear="none">> # SIGSEGV (0xb) at pc=0x00007f89e053bcac, pid=398556, tid=398558 # # <br clear="none">> JRE version: OpenJDK Runtime Environment (21.0.1+12) (build <br clear="none">> 21.0.1+12-29) # Java VM: OpenJDK 64-Bit Server VM (21.0.1+12-29, mixed <br clear="none">> mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64) # Problematic frame:<br clear="none">> # J 1119 c2 bugs.VectorTest.vdotVectorizedFailure([DII[DIIII)D <br clear="none">> <a shape="rect" href="mailto:rapaio.experiment@6.0.0" rel="nofollow" target="_blank">rapaio.experiment@6.0.0</a> (273 bytes) @ 0x00007f89e053bcac <br clear="none">> [0x00007f89e053b980+0x000000000000032c]<br clear="none">> #<br clear="none">> # No core dump will be written. Core dumps have been disabled. To <br clear="none">> enable core dumping, try "ulimit -c unlimited" before starting Java <br clear="none">> again # # An error report file with more information is saved as:<br clear="none">> # /home/ati/work/rapaio/hs_err_pid398556.log<br clear="none">> [4.582s][warning][os] Loading hsdis library failed # # If you would <br clear="none">> like to submit a bug report, please visit:<br clear="none">> # <a shape="rect" href="https://bugreport.java.com/bugreport/crash.jsp" rel="nofollow" target="_blank">https://bugreport.java.com/bugreport/crash.jsp</a><br clear="none">> #<br clear="none">> <br clear="none">> The Hotspot error file can be found at the following link: <br clear="none">> <a shape="rect" href="https://gist.github.com/padreati/a0170291023640c013a9b9733478245b" rel="nofollow" target="_blank">https://gist.github.com/padreati/a0170291023640c013a9b9733478245b</a><br clear="none">> I didn't test it with other JVM versions than 21.0.1 and the Ubuntu machine that I have.<br clear="none">> <br clear="none">> Thank you again,<br clear="none">> Aurelian<br clear="none">> <br clear="none">> <br clear="none">> <br clear="none"><br clear="none"></div></div></div>
</div>
</div></body></html>