[Mono-dev] Assert: condition `ret == 0' not met

Bassam Tabbara bassam at symform.com
Mon Jan 13 23:33:05 UTC 2014 

Yes. This is a clean build from mono/master.

On Jan 13, 2014, at 3:07 PM, Rodrigo Kumpera <kumpera at gmail.com<mailto:kumpera at gmail.com>> wrote:

Are you trying to build mono/master without any changes? That has not happen with our bots at xamarin.


On Mon, Jan 13, 2014 at 4:47 PM, Bassam Tabbara <bassam at symform.com<mailto:bassam at symform.com>> wrote:
Hello,

I’m seeing the following exception while building MCS from the latest in master. This is on my mac (OSX 10.9). Any thoughts?

System.Collections.Concurrent/BlockingCollection.cs(396,9): warning CS0219: The variable `index' is assigned but its value is never used
System.Diagnostics/TraceImpl.cs(44,15): warning CS0649: Field `System.Diagnostics.TraceImplSettings.AutoFlush' is never assigned to, and will always have its default value `false'
Compilation succeeded - 5 warning(s)
* Assertion at gc.c:1216, condition `ret == 0' not met

Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) System.Environment.Exit (int) <0xffffffff>
  at Mono.CSharp.Driver.Main (string[]) <0x002b3>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_int_object (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        0   mono                                0x0000000109261dfb mono_handle_native_sigsegv + 363
        1   libsystem_platform.dylib            0x00007fff88bf05aa _sigtramp + 26
        2   libsystem_c.dylib                   0x00007fff81b9ed8b __sprintf_chk + 153
        3   libsystem_c.dylib                   0x00007fff81b7abba abort + 125
        4   mono                                0x00000001093eee11 monoeg_g_logv + 161
        5   mono                                0x00000001093eef4f monoeg_assertion_message + 143
        6   mono                                0x0000000109365524 mono_gc_cleanup + 260
        7   mono                                0x000000010935bc1e mono_runtime_cleanup + 14
        8   mono                                0x00000001091d900c mini_cleanup + 956
        9   mono                                0x00000001092e6525 ves_icall_System_Environment_Exit + 37
        10  ???                                 0x00000001119d2324 0x0 + 4590478116
        11  mono                                0x00000001091d88f5 mono_jit_runtime_invoke + 1653
        12  mono                                0x000000010936871b mono_runtime_invoke + 107
        13  mono                                0x000000010936e726 mono_runtime_exec_main + 374
        14  mono                                0x00000001092358d9 mono_main + 6121
        15  mono                                0x00000001091cc6ec main + 588
        16  libdyld.dylib                       0x00007fff8d2195fd start + 1
        17  ???                                 0x000000000000001b 0x0 + 27

Debug info from gdb:

Process 93570 stopped
* thread #1: tid = 0x250792, 0x00007fff8da88e22 libsystem_kernel.dylib`__wait4 + 10, queue = 'com.apple.main-thread, stop reason = signal SIGSTOP
  thread #2: tid = 0x2507a0, 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
  thread #3: tid = 0x2507a1, 0x00007fff8da89662 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager
  thread #4: tid = 0x2507a2, 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
(lldb) * thread #1: tid = 0x250792, 0x00007fff8da88e22 libsystem_kernel.dylib`__wait4 + 10, queue = 'com.apple.main-thread, stop reason = signal SIGSTOP
    frame #0: 0x00007fff8da88e22 libsystem_kernel.dylib`__wait4 + 10
    frame #1: 0x0000000109261ed4 mono`mono_handle_native_sigsegv(signal=<unavailable>, ctx=<unavailable>) + 580 at mini-exceptions.c:2299
    frame #2: 0x00007fff88bf05aa libsystem_platform.dylib`_sigtramp + 26
    frame #3: 0x00007fff8da88867 libsystem_kernel.dylib`__pthread_kill + 11
    frame #4: 0x00007fff81b9ed8b libsystem_c.dylib`__sprintf_chk + 153
    frame #5: 0x00007fff81b7abba libsystem_c.dylib`abort + 125
    frame #6: 0x00000001093eee11 mono`monoeg_g_logv(log_domain=<unavailable>, log_level=<unavailable>, format=<unavailable>, args=<unavailable>) + 161 at goutput.c:175
    frame #7: 0x00000001093eef4f mono`monoeg_assertion_message(format=<unavailable>) + 143 at goutput.c:195
    frame #8: 0x0000000109365524 mono`mono_gc_cleanup + 260 at gc.c:1216
    frame #9: 0x000000010935bc1e mono`mono_runtime_cleanup(domain=<unavailable>) + 14 at appdomain.c:354
    frame #10: 0x00000001091d900c mono`mini_cleanup(domain=0x00007fb070501350) + 956 at mini.c:7626
    frame #11: 0x00000001092e6525 mono`ves_icall_System_Environment_Exit(result=0) + 37 at icall.c:6517
    frame #12: 0x00000001119d2324
    frame #13: 0x00000001091d88f5 mono`mono_jit_runtime_invoke(method=<unavailable>, obj=0x0000000000000000, params=<unavailable>, exc=<unavailable>) + 1653 at mini.c:6654
    frame #14: 0x000000010936871b mono`mono_runtime_invoke(method=0x00007fb0705025b0, obj=0x0000000000000000, params=0x00007fff56a33d68, exc=0x0000000000000000) + 107 at object.c:2828
    frame #15: 0x000000010936e726 mono`mono_runtime_exec_main(method=0x00007fb0705025b0, args=<unavailable>, exc=0x0000000000000000) + 374 at object.c:4053
    frame #16: 0x00000001092358d9 mono`mono_main [inlined] main_thread_handler + 6121 at driver.c:1066
    frame #17: 0x00000001092358a2 mono`mono_main(argc=24, argv=<unavailable>) + 6066 at driver.c:2014
    frame #18: 0x00000001091cc6ec mono`main [inlined] mono_main_with_options(argv=<unavailable>, argc=<unavailable>) + 549 at main.c:98
    frame #19: 0x00000001091cc4c7 mono`main(argc=<unavailable>, argv=<unavailable>) + 39 at main.c:133
    frame #20: 0x00007fff8d2195fd libdyld.dylib`start + 1

  thread #2: tid = 0x2507a0, 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8cbcbf08 libsystem_pthread.dylib`_pthread_wqthread + 330
    frame #2: 0x00007fff8cbcefb9 libsystem_pthread.dylib`start_wqthread + 13

  thread #3: tid = 0x2507a1, 0x00007fff8da89662 libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager
    frame #0: 0x00007fff8da89662 libsystem_kernel.dylib`kevent64 + 10
    frame #1: 0x00007fff8f61543d libdispatch.dylib`_dispatch_mgr_invoke + 239
    frame #2: 0x00007fff8f615152 libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #4: tid = 0x2507a2, 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8da88e6a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff8cbcbf08 libsystem_pthread.dylib`_pthread_wqthread + 330
    frame #2: 0x00007fff8cbcefb9 libsystem_pthread.dylib`start_wqthread + 13
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