[Mono-dev] mono 3.0, llvm, sgen

[Rodrigo Kumpera]

This has been fixed on the tip of mono master. The fix for this will be
part of 3.0.1.


On Fri, Oct 26, 2012 at 2:37 PM, sebastian <
sebastian at palladiumconsulting.com> wrote:

> I have built and run mono 3.0 from source running SGen successfully under
> RHEL 6. A nice improvement! We are getting less memory usage in
> network-intensive parts of our code. I'm now hoping to get higher
> performance from the number-crunching bits, so I'm trying to enable LLVM.
>
> I built mono-llvm from
> https://github.com/mono/llvm/commit/b66d5f8086f95000919d105caae1ec0d979142fe and
> rebuilt mono-3.0.0 using instructions found here
> http://www.mono-project.com/Mono_LLVM. I configured both builds to
> install in a common place. ("/mono" in the instructions). This common
> path's bin is in my path, and its lib is in my LD_LIBRARY_PATH.
>
> While everything builds and mono itself runs well enough to tell me about
> its command line options...
>
> : mono --version
> Mono JIT compiler version 3.0.0 (tarball Fri Oct 26 13:10:07 CDT 2012)
> Copyright (C) 2002-2012 Novell, Inc, Xamarin Inc and Contributors.
> www.mono-project.com
>         TLS:           __thread
>         SIGSEGV:       altstack
>         Notifications: epoll
>         Architecture:  amd64
>         Disabled:      none
>         Misc:          softdebug
>         LLVM:          yes(3.2svn-mono)
>         GC:            sgen
>
>
> ... actual .net programs crash on start with some interesting console logs
> and finally a dynamic link failure. It's obviously something quite
> fundamental. It makes me wonder if I've built the wrong version of llvm, or
> somehow gotten my link paths wrong either during configure or runtime. As
> far as I can tell the <premain> and -simplifycfg "errors" are from LLVM,
> but I'm not sure what to make of those, either. I'd appreciate any help!
>
> : nunit-console
> <premain>: CommandLine Error: Argument 'print-machineinstrs' defined more
> than once!
> <premain>: CommandLine Error: Argument 'misched' defined more than once!
> -simplifycfg: CommandLine Error: Argument 'print-machineinstrs' defined
> more than once!
> -simplifycfg: CommandLine Error: Argument 'misched' defined more than once!
> Unable to resolve: memset
> mono-sgen: mini-llvm-cpp.cpp:128: virtual void*
> MonoJITMemoryManager::getPointerToNamedFunction(const std::string&, bool):
> Assertion `0' failed.
> Stacktrace:
>
>   at <unknown> <0xffffffff>
>   at string.Replace (string,string) <0x00039>
>   at Microsoft.Win32.KeyHandler.GetVolatileDir (string) <0x00031>
>   at Microsoft.Win32.KeyHandler..ctor
> (Microsoft.Win32.RegistryKey,string,bool) [0x00006] in
> /glb/data/CDIS/src/mono-3.0.0.llvm/mcs/class/corlib/Microsoft.Win32/UnixRegistryApi.cs:123
>   at Microsoft.Win32.KeyHandler..ctor (Microsoft.Win32.RegistryKey,string)
> <0x00007>
>   at Microsoft.Win32.KeyHandler.Lookup (Microsoft.Win32.RegistryKey,bool)
> <0x0013f>
>   at Microsoft.Win32.UnixRegistryApi.OpenSubKey
> (Microsoft.Win32.RegistryKey,string,bool) <0x00020>
>   at Microsoft.Win32.RegistryKey.OpenSubKey (string,bool) <0x00041>
>   at Microsoft.Win32.RegistryKey.OpenSubKey (string) <0x00007>
>   at (wrapper remoting-invoke-with-check)
> Microsoft.Win32.RegistryKey.OpenSubKey (string) <0xffffffff>
>   at NUnit.Util.SettingsService.ConvertLegacySettings () <IL 0x0000b,
> 0x0003b>
>   at NUnit.Util.SettingsService..ctor (bool) <IL 0x0006b, 0x0012b>
>   at NUnit.Util.SettingsService..ctor () <0x0000a>
>   at NUnit.ConsoleRunner.Runner.Main (string[]) <IL 0x00008, 0x0009f>
>   at NUnit.ConsoleRunner.Class1.Main (string[]) <0x00005>
>   at (wrapper runtime-invoke) <Module>.runtime_invoke_int_object
> (object,intptr,intptr,intptr) <IL 0x0005c, 0xffffffff>
>
>
>
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>
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