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      <base href="http://llvm.org/bugs/" />
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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 --- - LLDB on Linux sometimes crashes when setting a watchpoint in a multithreaded program"
   href="http://llvm.org/bugs/show_bug.cgi?id=16714">16714</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>LLDB on Linux sometimes crashes when setting a watchpoint in a multithreaded program
          </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>normal
          </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@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>daniel.malea@intel.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>This failure happens occasionally, as on the latest buildbot run:

(from
<a href="http://lab.llvm.org:8011/builders/lldb-x86_64-linux/builds/5755/steps/test%20lldb/logs/stdio">http://lab.llvm.org:8011/builders/lldb-x86_64-linux/builds/5755/steps/test%20lldb/logs/stdio</a>):

python: RegisterContext_x86_64.cpp:1227: virtual bool
RegisterContext_x86_64::IsWatchpointVacant(uint32_t): Assertion `false &&
"Could not initialize watchpoint registers"' failed.

The failure happened in one of the watchpoint tests in TestConcurrentEvents.py,
likely because a thread has not stopped correctly or has disappeared for some
reason. To reproduce, use:

python dotest.py --executable <path-to-lldb> -p TestConcurrentEvents -#100</pre>
        </div>
      </p>
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