[Mono-list] SIGSEGV Error with MarshalByRefObject implementing a generic interface

[Miguel de Icaza]

Hello,

    I have filed the bug:

	https://bugzilla.novell.com/show_bug.cgi?id=569390

> yes, i know, i should do this
> but my last error report was not recognized at all :-((so i tried the forum
> this time:confused:
> 
> 
> 
> Rodrigo Kumpera wrote:
> > 
> > Please file a bug report on this.
> > 
> > On Fri, Jan 8, 2010 at 6:23 PM, lytico <lytico at users.sourceforge.net>
> > wrote:
> > 
> >>
> >> i get a sigsegv error if i call a property that is an implementation of a
> >> generic interface on top of a MarshalByRefObject, something like:
> >>
> >>        public class MyClass2<T> {
> >>                public T Data { get; set; }
> >>        }
> >>
> >>        public interface IMyClass<T> {
> >>                MyClass2<T> Data { get; set; }
> >>        }
> >>
> >>        public class MyClass<T> : MarshalByRefObject, IMyClass<T>       {
> >>                public MyClass2<T> Data { get; set; }
> >>
> >>                public void Call1 () {
> >>                        var data = new MyClass2<T> ();
> >>                        this.Data = data;
> >>                }
> >>        }
> >>
> >>
> >> Sample Code:
> >>
> >> http://old.nabble.com/file/p27081784/GenericInterfaceOnMarshalByRefObjectError.cs
> >> GenericInterfaceOnMarshalByRefObjectError.cs
> >>
> >>
> >>
> >> Stacktrace:
> >>
> >>  at Limaki.Tests.MonoGenericError2.DisplayDevice`1.Error2 () <0xffffffff>
> >>  at Limaki.Tests.MonoGenericError2.DisplayDevice`1.Error2 () <0x00044>
> >>  at (wrapper remoting-invoke-with-check)
> >> Limaki.Tests.MonoGenericError2.DisplayDevice`1.Error2 () <0xffffffff>
> >>  at Limaki.Tests.MonoGenericError2.GenericErrorTest.Test2 () <0x00034>
> >>  at Limaki.Tests.MonoGenericError2.GenericErrorTest.Main (string[])
> >> <0x00020>
> >>  at (wrapper runtime-invoke)
> >> Limaki.Tests.MonoGenericError2.GenericErrorTest.runtime_invoke_void_object
> >> (object,intptr,intptr,intptr) <0xffffffff>
> >>
> >> Native stacktrace:
> >>
> >>        mono [0x80c8824]
> >>        mono [0x80f4693]
> >>        [0x170410]
> >>        mono [0x80d2453]
> >>        [0xd58066]
> >>        [0x15754c]
> >>        [0x157455]
> >>        [0x1572a9]
> >>        [0x157203]
> >>        mono(mono_runtime_exec_main+0xde) [0x81112ae]
> >>        mono(mono_runtime_run_main+0x15a) [0x81134da]
> >>        mono(mono_main+0x1aad) [0x80b19bd]
> >>        mono [0x805aba5]
> >>        /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x344b56]
> >>        mono [0x805aae1]
> >>
> >> Debug info from gdb:
> >>
> >> [Thread debugging using libthread_db enabled]
> >> [New Thread 0xa3ab70 (LWP 3114)]
> >> [New Thread 0x4f7b70 (LWP 3113)]
> >> 0x00170422 in __kernel_vsyscall ()
> >>  3 Thread 0x4f7b70 (LWP 3113)  0x00170422 in __kernel_vsyscall ()
> >>  2 Thread 0xa3ab70 (LWP 3114)  0x00170422 in __kernel_vsyscall ()
> >> * 1 Thread 0xecc6f0 (LWP 3112)  0x00170422 in __kernel_vsyscall ()
> >>
> >> Thread 3 (Thread 0x4f7b70 (LWP 3113)):
> >> #0  0x00170422 in __kernel_vsyscall ()
> >> #1  0x00e6b466 in nanosleep () from /lib/tls/i686/cmov/libpthread.so.0
> >> #2  0x081a3658 in ?? ()
> >> #3  0x00e6380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
> >> #4  0x003fa7ee in clone () from /lib/tls/i686/cmov/libc.so.6
> >>
> >> Thread 2 (Thread 0xa3ab70 (LWP 3114)):
> >> #0  0x00170422 in __kernel_vsyscall ()
> >> #1  0x00e69f75 in sem_wait@@GLIBC_2.1 () from
> >> /lib/tls/i686/cmov/libpthread.so.0
> >> #2  0x0812bb29 in ?? ()
> >> #3  0x0814f96c in ?? ()
> >> #4  0x081bf9f2 in ?? ()
> >> #5  0x081de055 in ?? ()
> >> #6  0x00e6380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
> >> #7  0x003fa7ee in clone () from /lib/tls/i686/cmov/libc.so.6
> >>
> >> Thread 1 (Thread 0xecc6f0 (LWP 3112)):
> >> #0  0x00170422 in __kernel_vsyscall ()
> >> #1  0x00e6ac8b in read () from /lib/tls/i686/cmov/libpthread.so.0
> >> #2  0x080c89be in ?? ()
> >> #3  0x080f4693 in ?? ()
> >> #4  <signal handler called>
> >> #5  0x080d2453 in ?? ()
> >> #6  0x00d58066 in ?? ()
> >> #7  0x0015754c in ?? ()
> >> #8  0x00157455 in ?? ()
> >> #9  0x001572a9 in ?? ()
> >> #10 0x00157203 in ?? ()
> >> #11 0x081112ae in mono_runtime_exec_main ()
> >> #12 0x081134da in mono_runtime_run_main ()
> >> #13 0x080b19bd in mono_main ()
> >> #14 0x0805aba5 in ?? ()
> >> #15 0x00344b56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
> >> #16 0x0805aae1 in ?? ()
> >>
> >> =================================================================
> >> Got a SIGSEGV 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
> >>
> >> --
> >> View this message in context:
> >> http://old.nabble.com/SIGSEGV-Error-with-MarshalByRefObject-implementing-a-generic-interface-tp27081784p27081784.html
> >> Sent from the Mono - General mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
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> >>
> > 
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> > 
>