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[SR-8245] TestSwiftStepping.py and two other tests are flaky on Linux, resulting in failed PR testing #4366

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belkadan opened this issue Jul 13, 2018 · 2 comments
Open

[SR-8245] TestSwiftStepping.py and two other tests are flaky on Linux, resulting in failed PR testing #4366

belkadan opened this issue Jul 13, 2018 · 2 comments
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bug Something isn't working LLDB for Swift

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@belkadan
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Previous ID SR-8245
Radar rdar://problem/42145676
Original Reporter @belkadan
Type Bug
Additional Detail from JIRA
Votes 0
Component/s LLDB for Swift
Labels Bug
Assignee None
Priority Medium

md5: b4fa6a107223d807552002c334a23535

Issue Description:

For the last week or two (?) three LLDB tests have been failing every now and then on the Linux builds, particularly in PR testing. Here's an example.

19:00:38 FAIL: test_swift_conditional_breakpoint_dwarf (lang/swift/conditional_breakpoints/TestSwiftConditionalBreakpoint.py)
19:00:38 FAIL: test_swift_stepping_dwarf (lang/swift/stepping/TestSwiftStepping.py)
19:00:38 FAIL: test_swift_struct_init_dwarf (lang/swift/struct_init_display/TestSwiftStructInit.py)

It's always these three tests, so they probably have something in common. Here's the backtrace for TestSwiftStepping:

19:00:28 ======================================================================
19:00:28 FAIL: test_swift_stepping_dwarf (TestSwiftStepping.TestSwiftStepping)
19:00:28    Tests that we can step reliably in swift code.
19:00:28 ----------------------------------------------------------------------
19:00:28 Traceback (most recent call last):
19:00:28   File "/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 1774, in dwarf_test_method
19:00:28     return attrvalue(self)
19:00:28   File "/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/decorators.py", line 144, in wrapper
19:00:28     func(*args, **kwargs)
19:00:28   File "/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/lang/swift/stepping/TestSwiftStepping.py", line 32, in test_swift_stepping
19:00:28     self.do_test()
19:00:28   File "/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/lang/swift/stepping/TestSwiftStepping.py", line 120, in do_test
19:00:28     self.hit_correct_function(thread, "toSomeValues")
19:00:28   File "/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/lang/swift/stepping/TestSwiftStepping.py", line 84, in hit_correct_function
19:00:28     "Got to '%s' not the expected function '%s'." % (desc.GetData(), pattern))
19:00:28 AssertionError: False is not True : Got to '/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/lldb/packages/Python/lldbsuite/test/lang/swift/stepping/main.swift:172:5' not the expected function 'toSomeValues'.
19:00:28 Config=x86_64-/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-master/buildbot_linux/llvm-linux-x86_64/bin/clang-6.0
19:00:28 ----------------------------------------------------------------------

If there's not a quick fix, can we disable these tests on Linux for now?
@belkadan
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@swift-ci create

@dcci
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Mannequin

dcci mannequin commented Jul 15, 2018

apple/swift-lldb#769

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
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@belkadan