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<p class="MsoNormal"><span lang="en-DE">>Could it be that the -Wl,--exclude-libs,ALL “hides” the msan symbols like __</span><span lang="en-DE" style="font-size:12.0pt;mso-ligatures:none;mso-fareast-language:#2000">msan_param_tls from exporting ?</span><span lang="en-DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">>But I guess we set this for a reason so removing it might cause other trouble ?
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">Seems the </span><span lang="en-DE">-Wl,--exclude-libs,ALL is the setting that caused the msan build issue, when I remove it the build works until the first “new” binary is executed and runs into :</span><span lang="en-DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">==64305==WARNING: MemorySanitizer: use-of-uninitialized-value<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #0 0x7fbe17639b01 (/builddir/jdk/lib/server/libjvm.so+0x246bb01) (BuildId: b0fcd4709b54740840412c9e6ff0c9ce284848e5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #1 0x7fbe18ba4751 (/builddir/jdk/lib/server/libjvm.so+0x39d6751) (BuildId: b0fcd4709b54740840412c9e6ff0c9ce284848e5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #2 0x7fbe17489e64 (/builddir/jdk/lib/server/libjvm.so+0x22bbe64) (BuildId: b0fcd4709b54740840412c9e6ff0c9ce284848e5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #3 0x7fbe18bc90ab (/builddir/jdk/lib/server/libjvm.so+0x39fb0ab) (BuildId: b0fcd4709b54740840412c9e6ff0c9ce284848e5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #4 0x7fbe176e695b (/builddir/jdk/lib/server/libjvm.so+0x251895b) (BuildId: b0fcd4709b54740840412c9e6ff0c9ce284848e5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #5 0x7fbe1ae182d8 (/builddir/jdk/bin/../lib/libjli.so+0x112d8) (BuildId: 6ae5315fdc089fba90719ba08ab0373371f52bf5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #6 0x7fbe1ae23358 (/builddir/jdk/bin/../lib/libjli.so+0x1c358) (BuildId: 6ae5315fdc089fba90719ba08ab0373371f52bf5)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #7 0x7fbe1add06e9 (/lib64/libpthread.so.0+0xa6e9) (BuildId: 938e42b7e407d175ee3ef9a89c038168101d330c)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"> #8 0x7fbe1ab4558e (/lib64/libc.so.6+0x11858e) (BuildId: 74f77bf013a66413c77197c121955e029c32d259)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">Unfortunately the functions and line numbers from the backtrace are not (yet) nicely displayed , guess this needs some improvement .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">When calling addr2line on libjvm.so with the last address from the stack , I get jfrThreadLocal.cpp:81 .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">Best regards, Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
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