You also need to pass "hello, world" as a launch arg (in quotes). That is what will make it get echoed back.
On Wed, Feb 3, 2016 at 8:05 PM, Todd Fiala <todd.fi...@gmail.com> wrote: > Hey Zachary, > > For the test listed above, it is failing trying to match output from the > inferior process being debugged by lldb-server. First, it is trying to get > a hello, world string to be printed. Then, it is expecting the process to > exit without failure. > > If you go in that directory and make/run the a.out program, it should > print hello world and exit with an exit value of 0. You may find that it > doesn't print, perhaps? Or maybe your terminal is set differently, so that > the text isn't matching as expected? (I would expect to have heard others > with this issue). > > Pavel just added some gdb remote logging that is easier to access than the > way I had it rigged up before. If you end up getting stuck, if you get the > output log from either the lldb-server side, that would probably help > figure out what's getting stuck. But I wouldn't bother with that if you > can rule out that something with the a.out is going wrong first. > > -Todd > > On Wed, Feb 3, 2016 at 3:16 PM, Siva Chandra <sivachan...@google.com> > wrote: > >> Yes, there is something like that but I am unable to recollect. >> However, I do not think Zach's problem is that. He is able to get all >> but 2 of the tests passing. >> >> Zach, is it possible for you to run with clang-3.5? >> >> On Wed, Feb 3, 2016 at 3:05 PM, Todd Fiala <todd.fi...@gmail.com> wrote: >> > (Security around ptrace). >> > >> > On Wed, Feb 3, 2016 at 3:04 PM, Todd Fiala <todd.fi...@gmail.com> >> wrote: >> >> >> >> Hmm I wonder if your lldb-server is able to attach to processes? >> Siva, we >> >> used to have some kind of kernel flag or something that would allow >> >> attaching to a process that was launched by something else. I don't >> recall >> >> exactly what it was off the top of my head, but I wonder if Zachary >> needs >> >> that? >> >> >> >> -Todd >> >> >> >> On Wed, Feb 3, 2016 at 3:02 PM, Zachary Turner via lldb-dev >> >> <lldb-dev@lists.llvm.org> wrote: >> >>> >> >>> In my logs I'm seeing this: >> >>> >> >>> UNSUPPORTED: LLDB >> >>> >> (/usr/local/google_ssd/src/llvm/build/ninja_release/bin/clang-3.9-x86_64) :: >> >>> test_inferior_print_exit_debugserver_dwo >> >>> (TestLldbGdbServer.LldbGdbServerTestCase) (debugserver tests) >> >>> File >> >>> >> "/usr/local/google/home/zturner/ssd/src/llvm/tools/lldb/test/dotest.py", >> >>> line 7, in <module> >> >>> lldbsuite.test.run_suite() >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/dotest.py", >> >>> line 1089, in run_suite >> >>> resultclass=test_result.LLDBTestResult).run(configuration.suite) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/runner.py", >> >>> line 162, in run >> >>> test(result) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/suite.py", >> >>> line 65, in __call__ >> >>> return self.run(*args, **kwds) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/suite.py", >> >>> line 85, in run >> >>> self._wrapped_run(result) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/suite.py", >> >>> line 115, in _wrapped_run >> >>> test._wrapped_run(result, debug) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/suite.py", >> >>> line 117, in _wrapped_run >> >>> test(result) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/case.py", >> >>> line 433, in __call__ >> >>> return self.run(*args, **kwds) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/case.py", >> >>> line 361, in run >> >>> success = self.runMethod(testMethod, result) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/third_party/Python/module/unittest2/unittest2/case.py", >> >>> line 391, in runMethod >> >>> testMethod() >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/lldbtest.py", >> >>> line 1900, in dwarf_test_method >> >>> return attrvalue(self) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/decorators.py", >> >>> line 112, in wrapper >> >>> func(*args, **kwargs) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestLldbGdbServer.py", >> >>> line 250, in test_inferior_print_exit_llgs >> >>> self.inferior_print_exit() >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-server/TestLldbGdbServer.py", >> >>> line 237, in inferior_print_exit >> >>> context = self.expect_gdbremote_sequence() >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py", >> >>> line 549, in expect_gdbremote_sequence >> >>> return expect_lldb_gdbserver_replay(self, self.sock, >> >>> self.test_sequence, timeout_seconds, self.logger) >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py", >> >>> line 252, in expect_lldb_gdbserver_replay >> >>> context["O_content"] = pump.get_accumulated_output() >> >>> File >> >>> >> "/usr/local/google_ssd/src/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-server/socket_packet_pump.py", >> >>> line 81, in __exit__ >> >>> traceback.print_stack() >> >>> lldb-server exiting... >> >>> >> >>> Could this be related to the timeout I'm seeing? Has anyone seen this >> >>> before? It doesn't appear flaky, happens every time. >> >>> >> >>> On Wed, Feb 3, 2016 at 2:57 PM Siva Chandra <sivachan...@google.com> >> >>> wrote: >> >>>> >> >>>> Our bot is running on Ubuntu 14.04 and is green: >> >>>> http://lab.llvm.org:8011/builders/lldb-x86_64-ubuntu-14.04-cmake >> >>>> >> >>>> One thing though, the bot does not run the testsuite with clang-3.6. >> >>>> About the unexpected successes, they are very likely tests which were >> >>>> found to be flaky and marked as expectedFailure (or something >> similar) >> >>>> to keep the bot green. Even the bot logs show these unexpected >> >>>> successes. >> >>>> >> >>>> On Wed, Feb 3, 2016 at 2:50 PM, Zachary Turner via lldb-dev >> >>>> <lldb-dev@lists.llvm.org> wrote: >> >>>> > >> >>>> > On Linux I get the following test results: >> >>>> > >> >>>> > UNEXPECTED SUCCESS: test_and_run_command_dwarf >> >>>> > (lang/c/const_variables/TestConstVariables.py) >> >>>> > UNEXPECTED SUCCESS: test_and_run_command_dwo >> >>>> > (lang/c/const_variables/TestConstVariables.py) >> >>>> > UNEXPECTED SUCCESS: test_command_script_immediate_output_dwarf >> >>>> > >> >>>> > >> (functionalities/command_script_immediate_output/TestCommandScriptImmediateOutput.py) >> >>>> > UNEXPECTED SUCCESS: test_command_script_immediate_output_dwo >> >>>> > >> >>>> > >> (functionalities/command_script_immediate_output/TestCommandScriptImmediateOutput.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_basic_dwarf >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_basic_dwo >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_log_dwarf >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_log_dwo >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_multitarget_dwarf >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_fd_leak_multitarget_dwo >> >>>> > (functionalities/avoids-fd-leak/TestFdLeak.py) >> >>>> > UNEXPECTED SUCCESS: test_file_scope_lookup_with_run_command_dwarf >> >>>> > (lang/cpp/namespace/TestNamespaceLookup.py) >> >>>> > UNEXPECTED SUCCESS: test_file_scope_lookup_with_run_command_dwo >> >>>> > (lang/cpp/namespace/TestNamespaceLookup.py) >> >>>> > UNEXPECTED SUCCESS: test_lldbmi_gdb_set_target_async_off >> >>>> > (tools/lldb-mi/TestMiGdbSetShow.py) >> >>>> > UNEXPECTED SUCCESS: test_lldbmi_process_output >> >>>> > (tools/lldb-mi/syntax/TestMiSyntax.py) >> >>>> > UNEXPECTED SUCCESS: test_lldbmi_settings_set_target_run_args_after >> >>>> > (tools/lldb-mi/interpreter/TestMiInterpreterExec.py) >> >>>> > UNEXPECTED SUCCESS: test_lldbmi_settings_set_target_run_args_before >> >>>> > (tools/lldb-mi/interpreter/TestMiInterpreterExec.py) >> >>>> > UNEXPECTED SUCCESS: test_restart_bug_dwarf >> >>>> > (functionalities/signal/raise/TestRaise.py) >> >>>> > UNEXPECTED SUCCESS: test_restart_bug_dwo >> >>>> > (functionalities/signal/raise/TestRaise.py) >> >>>> > UNEXPECTED SUCCESS: >> >>>> > test_scope_lookup_before_using_with_run_command_dwo >> >>>> > (lang/cpp/namespace/TestNamespaceLookup.py) >> >>>> > TIMEOUT: test_qThreadInfo_matches_qC_attach_llgs_dwo >> >>>> > (tools/lldb-server/TestLldbGdbServer.py) >> >>>> > TIMEOUT: test_watchpoint_delay_watchpoint_one_breakpoint_dwarf >> >>>> > (functionalities/thread/concurrent_events/TestConcurrentEvents.py) >> >>>> > >> >>>> > >> >>>> > This is a ton of unexpected successes. Does anyone regularly run >> the >> >>>> > test >> >>>> > suite on Linux? Is this normal? I also notice that it takes >> almost >> >>>> > 30 >> >>>> > minutes to complete, and I get these timeouts: >> >>>> > >> >>>> > TIMEOUT: test_qThreadInfo_matches_qC_attach_llgs_dwo >> >>>> > (tools/lldb-server/TestLldbGdbServer.py) >> >>>> > TIMEOUT: test_watchpoint_delay_watchpoint_one_breakpoint_dwarf >> >>>> > (functionalities/thread/concurrent_events/TestConcurrentEvents.py) >> >>>> > >> >>>> > Are these known issues? I'm using Ubuntu 14.04 and building tests >> >>>> > with >> >>>> > Clang 3.6 >> >>>> > >> >>>> > _______________________________________________ >> >>>> > lldb-dev mailing list >> >>>> > lldb-dev@lists.llvm.org >> >>>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> >>>> > >> >>> >> >>> >> >>> _______________________________________________ >> >>> lldb-dev mailing list >> >>> lldb-dev@lists.llvm.org >> >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> >>> >> >> >> >> >> >> >> >> -- >> >> -Todd >> > >> > >> > >> > >> > -- >> > -Todd >> > > > > -- > -Todd > -- -Todd
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