[lldb-dev] [Bug 18065] New: TestConcurrentEvents failing on FreeBSD due to "Expected 1 stops due to signal delivery, but got 2"

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Nov 26 06:29:35 PST 2013


http://llvm.org/bugs/show_bug.cgi?id=18065

            Bug ID: 18065
           Summary: TestConcurrentEvents failing on FreeBSD due to
                    "Expected 1 stops due to signal delivery, but got 2"
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at cs.uiuc.edu
          Reporter: emaste at freebsd.org
    Classification: Unclassified

These 5 tests fail w/ the FreeBSD WIP (http://llvm-reviews.chandlerc.com/D2267)
and a hack to avoid using libstdc++ (pr17910):

test_breakpoint_delay_breakpoint_one_signal_dwarf
(TestConcurrentEvents.ConcurrentEventsTestCase)
test_delay_signal_break_dwarf (TestConcurrentEvents.ConcurrentEventsTestCase)
test_signal_break_dwarf (TestConcurrentEvents.ConcurrentEventsTestCase)
test_signal_delay_break_dwarf (TestConcurrentEvents.ConcurrentEventsTestCase)
test_two_breakpoints_one_signal_dwarf
(TestConcurrentEvents.ConcurrentEventsTestCase)

example with two stop reason = signal:

runCmd: continue
output: Process 75923 resuming
Process 75923 stopped


runCmd: thread backtrace all
output: * thread #2: tid = 102734, 0x0000000000400df1
a.out`breakpoint_func(input=0x0000000000000000) + 337 at main.cpp:66, stop
reason = breakpoint 3.1
  * frame #0: 0x0000000000400df1
a.out`breakpoint_func(input=0x0000000000000000) + 337 at main.cpp:66
    frame #1: 0x0000000800827d34
libthr.so.3`thread_start(curthread=0x0000000801808000) + 260 at
thr_create.c:284

  thread #3: tid = 101594, 0x000000080060d2cd ld-elf.so.1`??? + 189             
    frame #0: 0x000000080060d2cd ld-elf.so.1`??? + 189                          
    frame #1: 0x000000080060d45f ld-elf.so.1`??? + 127                          
    frame #2: 0x00000008006070bd ld-elf.so.1                                    
    frame #3: 0x0000000800827d34
libthr.so.3`thread_start(curthread=0x0000000801807c00) + 260 at
thr_create.c:284

  thread #4: tid = 101583, 0x0000000000400df8
a.out`breakpoint_func(input=0x0000000000000000) + 344 at main.cpp:66
    frame #0: 0x0000000000400df8
a.out`breakpoint_func(input=0x0000000000000000) + 344 at main.cpp:66
    frame #1: 0x0000000800827d34
libthr.so.3`thread_start(curthread=0x0000000801807800) + 260 at
thr_create.c:284

  thread #1: tid = 100849, 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37  
    frame #0: 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37               


runCmd: continue                                                                
output: Process 75923 resuming                                                  
Process 75923 stopped                                                           


runCmd: thread backtrace all                                                    
output: * thread #2: tid = 102734, 0x000000080082f4dc libthr.so.3 at
_umtx_op_err.S:37
  * frame #0: 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37               

  thread #3: tid = 101594, 0x000000080118f23c libc.so.7`__sys_thr_kill + 12 at
thr_kill.S:3, stop reason = signal SIGUSR1
    frame #0: 0x000000080118f23c libc.so.7`__sys_thr_kill + 12 at thr_kill.S:3  
    frame #1: 0x000000080082ebd5
libthr.so.3`_pthread_kill(pthread=0x0000000801807c00, sig=30) + 181 at
thr_kill.c:59
    frame #2: 0x0000000000400f69 a.out`signal_func(input=0x0000000000000000) +
345 at main.cpp:79
    frame #3: 0x0000000800827d34
libthr.so.3`thread_start(curthread=0x0000000801807c00) + 260 at
thr_create.c:284

  thread #4: tid = 101583, 0x0000000800611005 ld-elf.so.1`??? + 5               
    frame #0: 0x0000000800611005 ld-elf.so.1`??? + 5                            
    frame #1: 0x000000080060b519 ld-elf.so.1`??? + 185                          
    frame #2: 0x000000080060c203 ld-elf.so.1`??? + 131                          
    frame #3: 0x000000080060cf27 ld-elf.so.1`??? + 151                          
    frame #4: 0x0000000800832c42
libthr.so.3`_pthread_exit_mask(status=0x0000000000000000,
mask=0x0000000000000000) + 290 at thr_exit.c:86
    frame #5: 0x0000000800832d4b
libthr.so.3`_pthread_exit(status=<unavailable>) + 11 at thr_exit.c:188
    frame #6: 0x0000000800827d3c
libthr.so.3`thread_start(curthread=0x0000000801807800) + 268 at
thr_create.c:284

  thread #1: tid = 100849, 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37  
    frame #0: 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37               


runCmd: continue                                                                
output: Process 75923 resuming                                                  
Process 75923 stopped                                                           


runCmd: thread backtrace all                                                    
output: * thread #2: tid = 102734, 0x000000080082f4dc libthr.so.3 at
_umtx_op_err.S:37
  * frame #0: 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37               

  thread #3: tid = 101594, 0x000000080118f23c libc.so.7`__sys_thr_kill + 12 at
thr_kill.S:3, stop reason = signal SIGUSR1
    frame #0: 0x000000080118f23c libc.so.7`__sys_thr_kill + 12 at thr_kill.S:3  
    frame #1: 0x000000080082eb78
libthr.so.3`_pthread_kill(pthread=0x0000000801807c00, sig=30) + 88 at
thr_kill.c:64
    frame #2: 0x0000000000400f69 a.out`signal_func(input=0x0000000000000000) +
345 at main.cpp:79
    frame #3: 0x0000000800827d34
libthr.so.3`thread_start(curthread=0x0000000801807c00) + 260 at
thr_create.c:284

  thread #4: tid = 101583, 0x0000000800611f6c ld-elf.so.1                       
    frame #0: 0x0000000800611f6c ld-elf.so.1                                    

  thread #1: tid = 100849, 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37  
    frame #0: 0x000000080082f4dc libthr.so.3 at _umtx_op_err.S:37               


runCmd: continue                                                                
output: Process 75923 resuming                                                  
Process 75923 stopped

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