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      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - concurrent_events tests: wrong breakpoint hit with multiple concurrent breakpoints"
   href="https://bugs.llvm.org/show_bug.cgi?id=49433">49433</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>concurrent_events tests: wrong breakpoint hit with multiple concurrent breakpoints
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lldb
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>lldb-dev@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mgorny@gentoo.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>jdevlieghere@apple.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>All of the tests involving multiple breakpoints suffer from randomly
establishing the wrong breakpoint hit count, e.g.:

FAIL: LLDB (/home/mgorny/llvm-project/build.arm64/bin/clang-aarch64) :: test
(TestConcurrentTwoBreakpointThreads.ConcurrentTwoBreakpointThreads)
======================================================================
FAIL: test (TestConcurrentTwoBreakpointThreads.ConcurrentTwoBreakpointThreads)
   Test two threads that trigger a breakpoint.
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/home/mgorny/llvm-project/lldb/packages/Python/lldbsuite/test/decorators.py",
line 149, in wrapper
    return func(*args, **kwargs)
  File
"/home/mgorny/llvm-project/lldb/test/API/functionalities/thread/concurrent_events/TestConcurrentTwoBreakpointThreads.py",
line 19, in test
    self.do_thread_actions(num_breakpoint_threads=2)
  File
"/home/mgorny/llvm-project/lldb/packages/Python/lldbsuite/test/concurrent_base.py",
line 266, in do_thread_actions
    breakpoint_hit_count))
AssertionError: 2 != 3 : Expected 2 breakpoint hits, but got 3
Config=aarch64-/home/mgorny/llvm-project/build.arm64/bin/clang


It seems to be a problem in lldb/lldb-server logic somewhere that needs further
debugging.</pre>
        </div>
      </p>


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