I personally would doubt this is connected with physics.  That said, it's 
difficult to say what the issue would be.

Below, you could try setting ScriptStopStrategy = co-op. This stops scripts by having them regularly check whether they should stop rather than aborting their thread, which has caused Mono crashes and other Mono VM instability in the past if there are scripts very actively llDie()ing or being removed. This setting is now default in development code.

In 0.8 it is not default. The setting is present and works but there is no mechanism for automatically doing the necessary script recompilation. However, as you're running DeleteScritpsOnStartup = true this won't be an issue. Documentation at [1].

If this doesn't help then:

* Does this happen on every region or just some?
* Is this reproducible every time?
* What do you mean that "xengine status" show scripts waiting?  You mean 
something other than

Work items waiting         : 0

?  Could you paste the "xengine status" output you see when you have these 
issues?

[1] http://opensimulator.org/wiki/XEngine#ScriptStopStrategy

On 25/11/14 00:41, Butch Arnold wrote:
Hi Folks,

I've just upgraded 3RD Rock Grid to Hypergrid using .8-Post-Fixes and am having 
some issues with scripts.
Scripts will randomly stop working region wide and I cannot pinpoint the reason.
Only way to fix this is to restart the region.
(I used to have a full head of hair - now I'm bald!)

Anyone have any ideas on this?

For example, a user:
rezzed a car that had previously been worn, so it was set as phantom
then immediately sat on it
scripts still worked
unsat
took it off phantom
reset script, and still saying running
then sat on it
scripts stopped working

Another example:
A user from another grid is wearing a scripted hud.
They HG into our grid and scripts stop working.

I've tried several different settings changes with no luck.
The last change I made was to "Switch" over to the ODE engine instead of Bullet 
and this held the longest.

Whenever this happens, running "xengine status" from the console shows scripts 
waiting.


We are running on Windows Server 2008 R2 64bit

BULLET:
  - Unmanaged Bullet
  - UseSeparatePhysicsThread = true  (this setting held longer than false when 
using bullet physics)

XENGINE:
Enabled = true

     MinThreads = 2

     MaxThreads = 100

     IdleTimeout = 60

     Priority = "Normal"

     MaxScriptEventQueue = 300

     ThreadStackSize = 462144

    AppDomainLoading = true

     ScriptStopStrategy = abort

     DeleteScriptsOnStartup = true

     DefaultCompileLanguage = "lsl"

     AllowedCompilers = "lsl"

     CompileWithDebugInformation = true

     AllowMODFunctions = false

     AllowOSFunctions = true

     AllowLightShareFunctions = true
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Justin Clark-Casey (justincc)
OSVW Consulting
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