<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I have added a Jenkins check for this test, which explains why it fails on some builds.<div class=""><br class=""></div><div class="">Can we change the test to keep its output?  Will it just be blank anyways?</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 20, 2016, at 1:23 PM, Kostya Serebryany <<a href="mailto:kcc@google.com" class="">kcc@google.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">The test fails again: <a href="http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA_check/9739/testReport/junit/ThreadSanitizer/ThreadSanitizer/mmap_stress_cc/" class="">http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA_check/9739/testReport/junit/ThreadSanitizer/ThreadSanitizer/mmap_stress_cc/</a><div class="">But unfortunately lit does not provide the original log, so we still don't know why... </div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Wed, Jan 13, 2016 at 1:11 PM, Chris Matthews <span dir="ltr" class=""><<a href="mailto:chris.matthews@apple.com" target="_blank" class="">chris.matthews@apple.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">These ran to completion without error. :(<div class=""><div class="h5"><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jan 12, 2016, at 3:23 PM, Chris Matthews <<a href="mailto:chris.matthews@apple.com" target="_blank" class="">chris.matthews@apple.com</a>> wrote:</div><br class=""><div class=""><div style="word-wrap:break-word" class="">I’m running this on green-dragon-03 which is running OSX 10.10.5.<div class=""><br class=""></div><div class=""><div style="margin:0px;font-size:12px;line-height:normal;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)" class="">/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace\@2/clang-build/bin/clang++ ../llvm/projects/compiler-rt/test/tsan/mmap_stress.cc -lpthread </div><div style="margin:0px;font-size:12px;line-height:normal;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)" class="">while true; do for((i=0;i<10;i++)); do ./a.out || echo ===============FAILED================ & done ; wait; done</div></div><div class=""><br class=""></div><div class="">Seems like it is getting about 225 runs a minute, so it will take about 8 hours to complete 100k runs.</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jan 12, 2016, at 1:28 PM, Tobias Grosser via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank" class="">llvm-dev@lists.llvm.org</a>> wrote:</div><br class=""><div class=""><div class="">On 01/12/2016 10:26 PM, Kostya Serebryany wrote:<br class=""><blockquote type="cite" class="">Hi Tobias,<br class=""><br class="">What machine is that?<br class="">We have seen this and similar tests be flaky on older Linux kernels due<br class="">to kernel bug(s).<br class="">May I ask you to run the same test (just built with clang) on the same<br class="">machine for ~100000 times and see if it ever crashes?<br class=""><br class="">clang++ ~/llvm/projects/compiler-rt/test/tsan/mmap_stress.cc -lpthread<br class="">while true; do for((i=0;i<10;i++)); do ./a.out || echo<br class="">===============FAILED================ & done ; wait; done<br class=""></blockquote><br class="">Add Michael again (who might have access to this Machine).<br class=""><br class="">Tobias<br class="">_______________________________________________<br class="">LLVM Developers mailing list<br class=""><a href="mailto:llvm-dev@lists.llvm.org" target="_blank" class="">llvm-dev@lists.llvm.org</a><br class=""><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank" class="">http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><br class=""></div></div></blockquote></div><br class=""></div></div></div></blockquote></div><br class=""></div></div></div></div></blockquote></div><br class=""></div>
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