Sample error:

FAIL: test_threads (test.test_gdb.PyBtTests)
Verify that "py-bt" indicates threads that are waiting for the GIL
Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.7.edelsohn-sles-z/build/Lib/test/", line 776, in test_threads
    cmds_after_breakpoint=['thread apply all py-bt'])
  File "/home/dje/cpython-buildarea/3.7.edelsohn-sles-z/build/Lib/test/", line 213, in get_stack_trace
    self.assertEqual(unexpected_errlines, [])
AssertionError: Lists differ: ["Python Exception <class 'gdb.error'> PC [58 chars]ved'] != []
First list contains 2 additional elements.
First extra element 0:
"Python Exception <class 'gdb.error'> PC not saved: "
+ []
- ["Python Exception <class 'gdb.error'> PC not saved: ",
-  'Error occurred in Python command: PC not saved']
Ran 46 tests in 19.888s
FAILED (failures=1)
1 test failed again:

On Fri, 29 Jun 2018 at 21:14, <> wrote:
The Buildbot has detected a failed build on builder s390x SLES 2.7 while building python/cpython.
Full details are available at:

Buildbot URL:

Worker for this Build: edelsohn-sles-z

Build Reason: <unknown>
Blamelist: Miss Islington (bot) <>, Ned Deily <>, Zackery Spytz <>

BUILD FAILED: failed test (failure)

 -The Buildbot
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