[Opensim-users] Ubuntu and magic mini-trampolines (crash problem)

[John Hopkin]

Thanks.  I'll try that.  At the moment, it's working OK - it seems to
be intermittent, whereas before it was during each bootup.  If/when it
happens again, I'll drop that value.

John

Snoopy Pfeffer wrote:

>I have experienced the same when MONO_THREADS_PER_CPU is set to a very high number. 500 works for me.
>
>  Snoopy Pfeffer
>
>
>
>
>________________________________
>From: John Hopkin <opensim at jfhopkin.karoo.co.uk>
>To: opensim-users at lists.berlios.de
>Sent: Thursday, April 23, 2009 1:50:37 AM
>Subject: [Opensim-users] Ubuntu and magic mini-trampolines (crash problem)
>
>I've just upgraded Mono from 2.1 to 2.2 under Ubuntu Hardy, using Dr
>Scofield's script from here:
>
>http://xyzzyxyzzy.net/2009/02/17/updated-mono-build-script-mono-22/
>
>and all went smoothly with that.
>
>But now, when I run OpenSim.exe, it loads OK at first, but then I get
>the error:
>
><start paste>
>Region (root) # 0x18 0x0 0x0 0x55 0x8b 0xec 0x57 0x56 0x83 0xec 0x20
>0x8b 0x75 0x8 0x83 0xec 0x8 0x56 0x68 0x10 0x75 0xe8 0x9c 0x8b 0x5
>0x10 0x75 0xe8 0x9c 0xff 0x50 0x34 
>**
>ERROR:mini-trampolines.c:122:mono_magic_trampoline: assertion failed:
>(vt)
>Stacktrace:
>
>  at log4net.LogManager.WrapLogger (log4net.Core.ILogger) <0xffffffff>
>  at log4net.LogManager.WrapLogger (log4net.Core.ILogger) <0x0001d>
><end paste>
>
>and a long stacktrace.  The server crashes, of course.  Presumably,
>the references to magic mini-trampolines are within the code; I don't
>have any scripts or objects that I'm aware of like that.
>
>Vital stats:
>
>* OpenSim revision 9205 (binary package from OSGrid)
>* Ubuntu Intrepid, kernel 2.6.27-11-generic
>* Mono run with MONO_THREADS_PER_CPU set to 2000
>* 7 regions run by one OpenSim.exe
>*  P4/3.6GHz, 2GB RAM, more than adequate (or were under Mono 2.1)
>* UGAIM through OSGrid
>* MySQL 14.12
>
>I'm completely at a loss as to what could be causing this.  Does
>anyone have any ideas?
-- 
John Hopkin