[Mono-bugs] [Bug 419828] New: F# on mono fails

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sat Aug 23 07:51:07 EDT 2008


https://bugzilla.novell.com/show_bug.cgi?id=419828


           Summary: F# on mono fails
           Product: Mono: Runtime
           Version: 2.0
          Platform: x86
        OS/Version: Ubuntu
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: greenspan.levi at googlemail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Customer


I am using F# 1.9.4.19 together with Mono 2.0 Preview 2 on Ubuntu 8.04. F# can
be obtained from Microsoft research
(http://research.microsoft.com/fsharp/fsharp.aspx). Mono has been installed
from
http://mono.ximian.com/monobuild/preview/archive/2.0/linux-installer/2/mono-2.0_2-installer.bin

Problem: In the F# interpreter compiling some simple functions results in
failures and crashes. The exact details vary.

Steps to reproduce:
===================

1) Put the following code in a text file (e.g. test.ml):

#light

let rec map f l =
    match l with
    | [] -> []
    | h::t -> f h :: map f t

map (fun x -> x * 2) [1 .. 10]

2) Start F# interactive with this file (e.g. mono fsi.exe test.ml)

Result: 
=======

F# Interactive starts up and begins compiling. Eventually it aborts with an
error, e.g.

System.InvalidProgramException: Invalid IL code in FSI_0002.Test:map
(Microsoft.FSharp.Core.FastFunc`2,Microsoft.FSharp.Collections.List`1): method
body is empty.

  at <StartupCode$FSI_0002>.$FSI_0002_Test._main () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke
(object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags
invokeAttr, System.Reflection.Binder binder, System.Object[] parameters,
System.Globalization.CultureInfo culture) [0x00000] 
stopped due to error


Expected result:
================

F# interactive should print out:

[2; 4; 6; 8; 10; 12; 14; 16; 18; 20]


Remarks: 
========

Other errors can be reproduced by entering the code directly into F#
interactive, e.g.

MSR F# Interactive, (c) Microsoft Corporation, All Rights Reserved
F# Version 1.9.4.19, compiling for .NET Framework Version v2.0.50727

NOTE: 
NOTE: See 'fsi --help' for flags
NOTE: 
NOTE: Commands: #r <string>;;    reference (dynamically load) the given DLL 
NOTE:           #I <string>;;    add the given search path for referenced DLLs. 
NOTE:           #use <string>;;  accept input from the given file. 
NOTE:           #load <string> ...<string>;;
NOTE:                            load the given file(s) as a compilation unit.
NOTE:           #time;;          toggle timing on/off. 
NOTE:           #types;;         toggle display of types on/off. 
NOTE:           #quit;;          exit. 
NOTE: 
NOTE: Visit the F# website at http://research.microsoft.com/fsharp.
NOTE: Bug reports to fsbugs at microsoft.com. Enjoy!

> let rec map f l =
    match l with
    | [] -> []
    | h::t -> f h :: map f t;;

val map : ('a -> 'b) -> 'a list -> 'b list

> map (fun x -> x * 2) [1 .. 10];;

** ERROR **: unknown type 0x1e in type_to_ldind
aborting...
Stacktrace:

  at <StartupCode$FSI_0003>.$FSI_0003._main () <0xffffffff>
  at <StartupCode$FSI_0003>.$FSI_0003._main () <0x0003e>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_void
(object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[],System.Exception&) <0x00004>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[],System.Exception&) <0xffffffff>
  at System.Reflection.MonoMethod.Invoke
(object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
<0x000a6>
  at System.MonoType.InvokeMember
(string,System.Reflection.BindingFlags,System.Reflection.Binder,object,object[],System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,string[])
<0x00449>
  at System.Reflection.Emit.TypeBuilder.InvokeMember
(string,System.Reflection.BindingFlags,System.Reflection.Binder,object,object[],System.Reflection.ParameterModifier[],System.Globalization.CultureInfo,string[])
<0x00035>
  at System.Type.InvokeMember
(string,System.Reflection.BindingFlags,System.Reflection.Binder,object,object[])
<0x00023>
  at execEntryPtFun at 1788_1.Invoke (Microsoft.FSharp.Core.Unit) <0x000b3>
  at processInputs at 762.Invoke (Microsoft.FSharp.Core.FastFunc`2) <0x00015>
  at Microsoft.FSharp.Collections.PrivateListHelpers.iter
(Microsoft.FSharp.Core.FastFunc`2,Microsoft.FSharp.Collections.List`1)
<0x00083>
  at Microsoft.FSharp.Collections.List`1.Iterate
(Microsoft.FSharp.Core.FastFunc`2) <0x0000d>
  at processInputs at 761.Invoke (Microsoft.FSharp.Core.Unit) <0x00028>
  at TimeOpIf at 104.Invoke (Microsoft.FSharp.Core.FastFunc`2) <0x0002b>
  at Microsoft.FSharp.Compiler.Interactive.Shell.processInputs
(int,Microsoft.FSharp.Compiler.Interactive.Shell/InteractionState,MicrosoftFSharp.Collections.List`1,bool,bool,Microsoft.FSharp.Collections.List`1)
<0x01838>
  at Microsoft.FSharp.Compiler.Interactive.Shell.evalDefns
(Microsoft.FSharp.Compiler.Interactive.Shell/InteractionState,bool,Microsoft.FSharp.Collections.List`1)
<0x00268>
  at Microsoft.FSharp.Compiler.Interactive.Shell.evalExpr
(Microsoft.FSharp.Compiler.Interactive.Shell/InteractionState,Microsoft.FSharp.Compiler.Ast/synexpr)
<0x0037f>
  at
Microsoft.FSharp.Compiler.Interactive.Shell.mainThreadProcessParsedInteraction
(bool,Microsoft.FSharp.Core.FastFunc`2,Microsoft.FSharp.Core.Option`1,Microsoft.FSharp.Compiler.Interactive.Shell/InteractionState)
<0x036b9>
  at res at 1213.Invoke
(Microsoft.FSharp.Compiler.Interactive.Shell/InteractionState) <0x0001e>
  at runCodeOnMainThread at 1457@1434_1.Invoke (Microsoft.FSharp.Core.Unit)
<0x00014>
  at workerThreadRunCodeOnWinFormsMainThread at 350.Invoke () <0x0001f>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_void__this__
(object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[],System.Exception&) <0x00004>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[],System.Exception&) <0xffffffff>
  at System.Reflection.MonoMethod.Invoke
(object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
<0x000a6>
  at System.Reflection.MethodBase.Invoke (object,object[]) <0x0001a>
  at System.Delegate.DynamicInvokeImpl (object[]) <0x00170>
  at System.MulticastDelegate.DynamicInvokeImpl (object[]) <0x0002a>
  at System.Delegate.DynamicInvoke (object[]) <0x0000e>
  at System.Windows.Forms.XplatUIDriverSupport.ExecutionCallback (object)
<0x00042>
  at System.Security.SecurityContext.Run
(System.Security.SecurityContext,System.Threading.ContextCallback,object)
<0x000e9>
  at System.Threading.ExecutionContext.Run
(System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
<0x00021>
  at System.Windows.Forms.XplatUIDriverSupport.ExecuteClientMessage
(System.Runtime.InteropServices.GCHandle) <0x00064>
  at System.Windows.Forms.XplatUIX11.GetMessage
(object,System.Windows.Forms.MSG&,intptr,int,int) <0x039ea>
  at System.Windows.Forms.XplatUI.GetMessage
(object,System.Windows.Forms.MSG&,intptr,int,int) <0x00021>
  at System.Windows.Forms.Application.RunLoop
(bool,System.Windows.Forms.ApplicationContext) <0x00aa6>
  at System.Windows.Forms.Application.Run
(System.Windows.Forms.ApplicationContext) <0x0006a>
  at System.Windows.Forms.Application.Run () <0x0001d>
  at main at 1416.Run () <0x00066>
  at Microsoft.FSharp.Compiler.Interactive.Shell.runLoop at 1477@1477 () <0x001bf>
  at Microsoft.FSharp.Compiler.Interactive.Shell.main$cont at 1396@1396 ()
<0x00701>
  at <StartupCode$fsi>.$Microsoft.FSharp.Compiler.Interactive.Shell._main ()
<0x02440>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_void
(object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        mono [0x806d522]
        [0xb7fce440]
        /lib/tls/i686/cmov/libc.so.6(abort+0x101) [0xb7d94a01]
        /usr/lib/libglib-2.0.so.0(g_logv+0x46a) [0xb7f431fa]
        /usr/lib/libglib-2.0.so.0(g_log+0x29) [0xb7f43239]
        mono [0x80f124c]
        mono [0x8175b69]
        mono [0x81869f6]
        mono [0x819ceb0]
        mono [0x819f0c6]
        mono(mono_compile_method+0x18) [0x811d688]
        mono [0x80709ca]
        [0xb7bf6066]
        [0xb79431ae]
        mono [0x819fb19]
        mono(mono_runtime_invoke+0x27) [0x811d3e7]
        mono(mono_runtime_invoke_array+0x1e6) [0x81239b6]
        mono [0x8115ac4]
        [0xb66b3698]
        [0xb66b2eef]
        [0xb66b0f4a]
        [0xb63bdcbe]
        [0xb66b0ab4]
        [0xb63bd9c4]
        [0xb63bd886]
        [0xb63bd84c]
        [0xb63bd7b6]
        [0xb63bd739]
        [0xb63bd6fc]
        [0xb64948e1]
        [0xb6492c81]
        [0xb4fc3958]
        [0xb5406042]
        [0xb5402977]
        [0xb540294d]
        [0xb54028d0]
        [0xb6701389]
        mono [0x819fb19]
        mono(mono_runtime_invoke+0x27) [0x811d3e7]
        mono(mono_runtime_invoke_array+0x1e6) [0x81239b6]
        mono [0x8115ac4]
        [0xb66b3698]
        [0xb66b2eef]
        [0xb5cc7133]
        [0xb5402849]
        [0xb54026c3]
        [0xb540268f]
        [0xb5402643]
        [0xb540221a]
        [0xb54020a2]
        [0xb5401fad]
        [0xb554d04b]
        [0xb554965a]
        [0xb55490a7]
        [0xb554839b]
        [0xb5547c5e]
        [0xb5547bbf]
        [0xb55478d0]
        [0xb6492692]
        [0xb7946861]
        [0xb79431ae]
        mono [0x819fb19]
        mono(mono_runtime_invoke+0x27) [0x811d3e7]
        mono(mono_runtime_exec_main+0xd4) [0x81219f4]
        mono(mono_runtime_run_main+0x226) [0x8121f36]
        mono(mono_main+0xa7b) [0x8059fdb]
        mono [0x8058fce]
        /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7d7e450]
        mono [0x8058f11]

Debug info from gdb:

[Thread debugging using libthread_db enabled]
[New Thread 0xb7d26960 (LWP 8012)]
[New Thread 0xb5541b90 (LWP 8026)]
[New Thread 0xb636ab90 (LWP 8024)]
[New Thread 0xb754fb90 (LWP 8014)]
[New Thread 0xb7942b90 (LWP 8013)]
0xb7fce410 in __kernel_vsyscall ()
  5 Thread 0xb7942b90 (LWP 8013)  0xb7fce410 in __kernel_vsyscall ()
  4 Thread 0xb754fb90 (LWP 8014)  0xb7fce410 in __kernel_vsyscall ()
  3 Thread 0xb636ab90 (LWP 8024)  0xb7fce410 in __kernel_vsyscall ()
  2 Thread 0xb5541b90 (LWP 8026)  0xb7fce410 in __kernel_vsyscall ()
  1 Thread 0xb7d26960 (LWP 8012)  0xb7fce410 in __kernel_vsyscall ()

Thread 5 (Thread 0xb7942b90 (LWP 8013)):
#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb7ee9196 in nanosleep () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x081592de in collection_thread (unused=0x0) at collection.c:34
#3  0xb7ee14fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7e3ee5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (Thread 0xb754fb90 (LWP 8014)):
#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb7ee5aa5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2  0x081535ff in timedwait_signal_poll_cond (cond=0x82ba464, mutex=0x82ba44c,
timeout=0x0, alertable=0) at handles.c:1492
#3  0x081536e0 in _wapi_handle_timedwait_signal_handle (handle=0x404,
timeout=0x0, alertable=128) at handles.c:1572
#4  0x0815384a in _wapi_handle_wait_signal_handle (handle=0xfffffe00,
alertable=-512) at handles.c:1532
#5  0x0813ca01 in WaitForSingleObjectEx (handle=0x404, timeout=4294967295,
alertable=0) at wait.c:205
#6  0x0810d4fb in finalizer_thread (unused=0x0) at gc.c:905
#7  0x080ed434 in start_wrapper (data=0x82cbbe0) at threads.c:621
#8  0x0813f182 in thread_start_routine (args=0x82ba6a4) at threads.c:279
#9  0x081641f4 in GC_start_routine (arg=0xfffffe00) at pthread_support.c:1382
#10 0xb7ee14fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb7e3ee5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xb636ab90 (LWP 8024)):
#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb7ee9196 in nanosleep () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0813df54 in SleepEx (ms=800, alertable=1) at threads.c:1018
#3  0x080ec688 in ves_icall_System_Threading_Thread_Sleep_internal (ms=-516) at
threads.c:1052
#4  0xb637c746 in ?? ()
#5  0xb637c6e6 in ?? ()
#6  0xb637c416 in ?? ()
#7  0xb6701389 in ?? ()
#8  0x0819fb19 in mono_jit_runtime_invoke (method=0x83fe524, obj=0x14bef50,
params=0xfffffdfc, exc=0xfffffdfc) at mini.c:13182
#9  0x0811d3e7 in mono_runtime_invoke (method=0xfffffdfc, obj=0xfffffdfc,
params=0xfffffdfc, exc=0xfffffdfc) at object.c:2143
#10 0x0811d84b in mono_runtime_delegate_invoke (delegate=0x14bef50,
params=0xfffffdfc, exc=0xfffffdfc) at object.c:2679
#11 0x080ed495 in start_wrapper (data=0x91d6ff0) at threads.c:627
#12 0x0813f182 in thread_start_routine (args=0x82baac4) at threads.c:279
#13 0x081641f4 in GC_start_routine (arg=0xfffffdfc) at pthread_support.c:1382
#14 0xb7ee14fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb7e3ee5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb5541b90 (LWP 8026)):
#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb7ee5dd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2  0x081535af in timedwait_signal_poll_cond (cond=0x82badac, mutex=0x82bad94,
timeout=0x0, alertable=1) at handles.c:1502
#3  0x081536e0 in _wapi_handle_timedwait_signal_handle (handle=0x416,
timeout=0x0, alertable=128) at handles.c:1572
#4  0x0815384a in _wapi_handle_wait_signal_handle (handle=0xfffffdfc,
alertable=-516) at handles.c:1532
#5  0x0813ca01 in WaitForSingleObjectEx (handle=0x416, timeout=4294967295,
alertable=1) at wait.c:205
#6  0x080e9d20 in ves_icall_System_Threading_WaitHandle_WaitOne_internal
(this=0x1043528, handle=0xfffffdfc, ms=-516, exitContext=0)
    at threads.c:1449
#7  0xb5401f02 in ?? ()
#8  0xb5401bbb in ?? ()
#9  0xb5401910 in ?? ()
#10 0xb540189d in ?? ()
#11 0xb5401842 in ?? ()
#12 0xb5401058 in ?? ()
#13 0xb5602fab in ?? ()
#14 0xb5602f35 in ?? ()
#15 0xb55f2cd6 in ?? ()
#16 0xb55f2a81 in ?? ()
#17 0xb55f2930 in ?? ()
#18 0xb55f287b in ?? ()
#19 0xb55efb76 in ?? ()
#20 0xb64927e3 in ?? ()
#21 0xb5551f17 in ?? ()
#22 0xb55480a2 in ?? ()
#23 0xb6701389 in ?? ()
#24 0x0819fb19 in mono_jit_runtime_invoke (method=0x1043540, obj=0x14892d8,
params=0xfffffdfc, exc=0xfffffdfc) at mini.c:13182
#25 0x0811d3e7 in mono_runtime_invoke (method=0xfffffdfc, obj=0xfffffdfc,
params=0xfffffdfc, exc=0xfffffdfc) at object.c:2143
#26 0x0811d84b in mono_runtime_delegate_invoke (delegate=0x14892d8,
params=0xfffffdfc, exc=0xfffffdfc) at object.c:2679
#27 0x080ed495 in start_wrapper (data=0x94faac8) at threads.c:627
#28 0x0813f182 in thread_start_routine (args=0x82babcc) at threads.c:279
#29 0x081641f4 in GC_start_routine (arg=0xfffffdfc) at pthread_support.c:1382
#30 0xb7ee14fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#31 0xb7e3ee5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7d26960 (LWP 8012)):
#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb7ee899b in read () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0806d6bf in mono_handle_native_sigsegv (signal=6, ctx=0xbfe18bec) at
mini-exceptions.c:1327
#3  <signal handler called>
#4  0xb7fce410 in __kernel_vsyscall ()
#5  0xb7d93085 in raise () from /lib/tls/i686/cmov/libc.so.6
#6  0xb7d94a01 in abort () from /lib/tls/i686/cmov/libc.so.6
#7  0xb7f431fa in g_logv () from /usr/lib/libglib-2.0.so.0
#8  0xb7f43239 in g_log () from /usr/lib/libglib-2.0.so.0
#9  0x080f124c in mono_type_to_ldind (type=0x98e6e0c) at marshal.c:1421
#10 0x08175b69 in mini_type_to_ldind (cfg=<value optimized out>, type=0x1f4c)
at mini.c:1761
#11 0x081869f6 in mono_method_to_ir (cfg=0x9a46a78, method=0x9a0f0d8,
start_bblock=0x9a33684, end_bblock=0x9a3371c, locals_offset=2, 
    return_var=0x0, dont_inline=0x9a46ed0, inline_args=0x0, inline_offset=0,
is_virtual_call=0) at mini.c:7548
#12 0x0819ceb0 in mini_method_compile (method=0x9a0f0d8, opts=30501375,
domain=0x34ee0, run_cctors=<value optimized out>, 
    compile_aot=<value optimized out>, parts=0) at mini.c:12292
#13 0x0819f0c6 in mono_jit_compile_method (method=0x9a0f0d8) at mini.c:12836
#14 0x0811d688 in mono_compile_method (method=0x0) at object.c:528
#15 0x080709ca in mono_magic_trampoline (regs=0xbfe19cb0, code=0xb4f7425e
"\203�\b\213��P\224�", m=0x9a0f0d8, tramp=0x0)
    at mini-trampolines.c:249
#16 0xb7bf6066 in ?? ()
#17 0xb79431ae in ?? ()
#18 0x0819fb19 in mono_jit_runtime_invoke (method=0x1105fb0, obj=0x0,
params=0x0, exc=0x0) at mini.c:13182
#19 0x0811d3e7 in mono_runtime_invoke (method=0x0, obj=0x0, params=0x0,
exc=0x0) at object.c:2143
#20 0x081239b6 in mono_runtime_invoke_array (method=0x99f723c, obj=0x0,
params=0x15e9000, exc=0x0) at object.c:3228
#21 0x08115ac4 in ves_icall_InternalInvoke (method=0x0, this=0x0,
params=0x15e9000, exc=0xbfe19e6c) at icall.c:3016
#22 0xb66b3698 in ?? ()
#23 0xb66b2eef in ?? ()
#24 0xb66b0f4a in ?? ()
#25 0xb63bdcbe in ?? ()
#26 0xb66b0ab4 in ?? ()
#27 0xb63bd9c4 in ?? ()
#28 0xb63bd886 in ?? ()
#29 0xb63bd84c in ?? ()
#30 0xb63bd7b6 in ?? ()
#31 0xb63bd739 in ?? ()
#32 0xb63bd6fc in ?? ()
#33 0xb64948e1 in ?? ()
#34 0xb6492c81 in ?? ()
#35 0xb4fc3958 in ?? ()
#36 0xb5406042 in ?? ()
#37 0xb5402977 in ?? ()
#38 0xb540294d in ?? ()
#39 0xb54028d0 in ?? ()
#40 0xb6701389 in ?? ()
#41 0x0819fb19 in mono_jit_runtime_invoke (method=0x118, obj=0x1043558,
params=0x0, exc=0x0) at mini.c:13182
#42 0x0811d3e7 in mono_runtime_invoke (method=0x0, obj=0x0, params=0x0,
exc=0x0) at object.c:2143
#43 0x081239b6 in mono_runtime_invoke_array (method=0xb51ef268, obj=0x1043558,
params=0x0, exc=0x0) at object.c:3228
#44 0x08115ac4 in ves_icall_InternalInvoke (method=0x0, this=0x1043558,
params=0x0, exc=0xbfe1a5a4) at icall.c:3016
#45 0xb66b3698 in ?? ()
#46 0xb66b2eef in ?? ()
#47 0xb5cc7133 in ?? ()
#48 0xb5402849 in ?? ()
#49 0xb54026c3 in ?? ()
#50 0xb540268f in ?? ()
#51 0xb5402643 in ?? ()
#52 0xb540221a in ?? ()
#53 0xb54020a2 in ?? ()
#54 0xb5401fad in ?? ()
#55 0xb554d04b in ?? ()
#56 0xb554965a in ?? ()
#57 0xb55490a7 in ?? ()
#58 0xb554839b in ?? ()
#59 0xb5547c5e in ?? ()
#60 0xb5547bbf in ?? ()
#61 0xb55478d0 in ?? ()
#62 0xb6492692 in ?? ()
#63 0xb7946861 in ?? ()
#64 0xb79431ae in ?? ()
#65 0x0819fb19 in mono_jit_runtime_invoke (method=0x5add8, obj=0x0, params=0x0,
exc=0x0) at mini.c:13182
#66 0x0811d3e7 in mono_runtime_invoke (method=0x0, obj=0x0, params=0x0,
exc=0x0) at object.c:2143
#67 0x081219f4 in mono_runtime_exec_main (method=0x829e12c, args=0x3be70,
exc=0x0) at object.c:3039
#68 0x08121f36 in mono_runtime_run_main (method=0x829e12c, argc=0,
argv=0xbfe1baec, exc=0x0) at object.c:2825
#69 0x08059fdb in mono_main (argc=1, argv=0xbfe1bae4) at driver.c:942
#70 0x08058fce in main (argc=0, argv=0x0) at main.c:30
#0  0xb7fce410 in __kernel_vsyscall ()

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================

Aborted


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