Thanks Pavel, I’ll investigate today. On Wed, Nov 6, 2019 at 06:54 Pavel Labath <pa...@labath.sk> wrote:
> It seems that this test is very flaky (fails ~10% of time) on linux. > E.g: > < > http://lab.llvm.org:8011/builders/lldb-x86_64-debian/builds/211/steps/test/logs/stdio > >. > > It always fails on the same assertion: "Encountered unexpected packet > during replay". I've done a bit of digging, and the problems seems to be > down to a nondeterministic $M packet being sent while evaluating one of > the expressions: > recording: > > $M7ffff7fcc140,108:06000000000000000a0000000600000000000000000000000c000000000000000a00000005000000000000000000000012000000000000000a00000005000000650000000000000016000000000000000a0000000900000000000000000000001a000000000000000a000000050000007b000000000000001e00000000000000010000000400000000000000000000002b000000000000000100000004000000000000000000000039000000000000000a00000005000000950000000000000043000000000000000a00000005000000b20000000000000051000000000000000a00000005000000d00000000000000062000000000000000a00000005000000c200000000000000#f7 > replay: > > $M7ffff7fcc140,108:06000000000000000a0000000600000000000000000000000c000000000000000a00000005000000000000000000000012000000000000000a00000005000000650000000000000016000000000000000a0000000900000000000000000000001a000000000000000a000000050000007c000000000000001e00000000000000010000000400000000000000000000002b000000000000000100000004000000000000000000000039000000000000000a00000005000000960000000000000043000000000000000a00000005000000b30000000000000051000000000000000a00000005000000d10000000000000062000000000000000a00000005000000c300000000000000#fc > > It's possible that this is specific to linux, as this particular failure > happened while evaluating the mmap() helper expression (which we don't > do on mac), but it's also possible (and more likely, I think) that this > is a more general problem. Nonetheless, I haven't seen it fail on green > dragon, so I've disabled in only on linux for now. > > pl > > > On 05/11/2019 21:33, Jonas Devlieghere via lldb-commits wrote: > > > > Author: Jonas Devlieghere > > Date: 2019-11-05T12:33:21-08:00 > > New Revision: 2abcf44f4c91a326d1f4513fb5c25fec51c6ca66 > > > > URL: > https://github.com/llvm/llvm-project/commit/2abcf44f4c91a326d1f4513fb5c25fec51c6ca66 > > DIFF: > https://github.com/llvm/llvm-project/commit/2abcf44f4c91a326d1f4513fb5c25fec51c6ca66.diff > > > > LOG: [Reproducer] Add test case for expression evaluation > > > > Added: > > > lldb/test/Shell/Reproducer/Functionalities/Inputs/ExpressionEvaluation.in > > > lldb/test/Shell/Reproducer/Functionalities/TestExpressionEvaluation.test > > > > Modified: > > > > > > Removed: > > > > > > > > > ################################################################################ > > diff --git > a/lldb/test/Shell/Reproducer/Functionalities/Inputs/ExpressionEvaluation.in > b/lldb/test/Shell/Reproducer/Functionalities/Inputs/ExpressionEvaluation.in > > new file mode 100644 > > index 000000000000..8887c201d92e > > --- /dev/null > > +++ > b/lldb/test/Shell/Reproducer/Functionalities/Inputs/ExpressionEvaluation.in > > @@ -0,0 +1,10 @@ > > +breakpoint set -f foo.cpp -l 11 > > +run > > +p foo > > +next > > +p Foo(2, 3.33); > > +p $1 > > +p foo = Foo(3, 4.44); > > +p foo > > +cont > > +reproducer generate > > > > diff --git > a/lldb/test/Shell/Reproducer/Functionalities/TestExpressionEvaluation.test > b/lldb/test/Shell/Reproducer/Functionalities/TestExpressionEvaluation.test > > new file mode 100644 > > index 000000000000..d826a47cb245 > > --- /dev/null > > +++ > b/lldb/test/Shell/Reproducer/Functionalities/TestExpressionEvaluation.test > > @@ -0,0 +1,18 @@ > > +# UNSUPPORTED: system-windows, system-freebsd > > + > > +# This tests that expression evaluation continues to work when > replaying a > > +# reproducer. > > + > > +# RUN: rm -rf %t.repro > > +# RUN: %clangxx_host %S/Inputs/foo.cpp -g -o %t.out > > + > > +# RUN: %lldb -x -b -s %S/Inputs/ExpressionEvaluation.in --capture > --capture-path %t.repro %t.out | FileCheck %s > > +# RUN: %lldb --replay %t.repro | FileCheck %s > > + > > +# CHECK: stop reason = breakpoint 1.1 > > +# CHECK: (Foo) $0 = (m_i = 0, m_d = 0) > > +# CHECK: stop reason = step over > > +# CHECK: (Foo) $1 = (m_i = 2, m_d = 3) > > +# CHECK: (Foo) $1 = (m_i = 2, m_d = 3) > > +# CHECK: (Foo) $2 = (m_i = 3, m_d = 4) > > +# CHECK: (Foo) $3 = (m_i = 3, m_d = 4) > > > > > > > > _______________________________________________ > > lldb-commits mailing list > > lldb-commits@lists.llvm.org > > https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits > > > > -- Sent from my iPhone
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