[Opensim-users] Scripts sometimes do not load on start up?

[Justin Clark-Casey]

I think this would be worth opening a Mantis for.  In particular, I'd be interested to see the results of "show threads" 
when this happens.  A VM thread dump would be ideal but that's a trickier proposition on Windows.

On 15/05/13 00:32, Chris wrote:
> Whoops... Hit the send button a bit too early :)
>
> In addition to the testing done in the previous post, I found that it seems like the only option that seems to more
> consistently let all regions load their scripts is to set DeleteScriptsOnStartup back to true; in this case both my
> systems load all scripts on their regions on both databases... But it significantly slows down startup due to having to
> compile all the scripts which is the reason I usually set it to false.
>
> On 5/14/2013 6:13 PM, Chris wrote:
>> Hi Justin,
>>
>> I'm running 11 regions in Standalone (No HG) configuration. 5 of those regions do not have any scripts to be loaded on
>> them and very few prims to load.
>>
>> I disabled 5 regions, leaving 6 regions to load at start up, restarted OpenSim a few times (I always shut OpenSim down
>> completely and then restart it from the exe file rather than use the restart command), but found that it doesn't seem
>> to make a difference in script start up.
>>
>> Set async_call_method = UnsafeQueueUserWorkItem in OpenSim.ini and restarted OpenSim a few times. From what I can see,
>> setting this seems to make the issue appear more frequently, and on more regions than with using default setting;
>> though this could just be coincidence as I set it back to SmartThreadPool and tried again with similar results.
>>
>> Set TrustBinaries = false with no noticable improvement.
>>
>> Set ScriptDelayFactor = 1.0 with no noticable improvement.
>>
>> I also tried one extra thing, setting AppDomainLoading = false, but this didn't seem to have noticeable improvement.
>>
>> The issue seems to show up randomly and will pick random region(s) to not load scripts for on start up. It's a
>> slightly older commit but I don't see the issue showing up in 3611d33 (r/22387) with all my regions enabled and the
>> script settings reported earlier set.
>>
>> Ran these tests on two different machines with two different databases with different content to load.
>>
>> On 5/14/2013 4:25 PM, Justin Clark-Casey wrote:
>>> I've not heard any other reports of this yet though this doesn't necessarily mean anything.
>>>
>>> How many regions are we talking about here?  What happens if you run fewer regions on one machine?  Does specifying
>>>
>>> async_call_method = UnsafeQueueUserWorkItem
>>>
>>> in [Startup] on OpenSim.ini make any difference? (this uses the system pool for threads rather than a separate
>>> SmartThreadPool instance)?
>>>
>>> Also, does setting TrustBinaries = false make any difference? This is the one relatively unusual setting you have
>>> below.  You could also try specifying a non zero ScriptDelayFactor in case some script is managing to hog CPU.
>>>
>>> On 11/05/13 04:15, Chris wrote:
>>>> I was noticing while testing master that sometimes when starting OpenSim up that it is refusing to load scripts for
>>>> some
>>>> or all regions at start up. Once every thing is loaded up and the console is ready, running the 'login status' command
>>>> it shows that some regions are enabled login, and some aren't. In order to login the 'login enable' command must be ran
>>>> first. Once logged in it seems that no script will run on the regions that have not had their scripts loaded at start
>>>> up, including attachments, or newly rezzed objects. Had a closer look at the console out put and was noticing that
>>>> there
>>>> are a lot of warnings dealing with objects I have rezzed in world that are mesh similar to below:
>>>>
>>>> WARN  - OpenSim.Region.Physics.Meshing.Meshmerizer [MESH]: No recognized physics mesh found in mesh asset for
>>>> chair/c861affd-17b4-4b3c-9535-f1986ab394a9
>>>>
>>>> I found that if I tracked these objects down and removed them from the region and then restarted OpenSim, there's a bit
>>>> better chance for scripts to be loaded properly. If I put the objects back out again and restart OpenSim then it starts
>>>> to randomly not want to load scripts in random regions at start up. Setting DeleteScriptsOnStartup = true in
>>>> OpenSim.ini
>>>> or deleteing the ScriptEngines folder prior to start up also seems to give better success at having scripts load
>>>> properly. It might be just my imagination and coincidence that it is working in this way but it is my observation.
>>>>
>>>> Noticed that the console seems to hang for a bit (a couple seconds) before outputting warnings on these objects with
>>>> high CPU use. I'm just speculating on this since I'm not entirely knowledgeable on how things work but... could there
>>>> possibly be some kind of race condition somewhere preventing scripts from loading properly in this case?
>>>>
>>>> A couple of my regions have 0 scripts on them; not sure if it matters or not.
>>>>
>>>> I normally run OpenSim with these script related settings:
>>>> AppDomainLoading = false
>>>> DeleteScriptsOnStartup = false
>>>> EventLimit = 500
>>>> ScriptDelayFactor = 0.0
>>>> AllowScriptCrossing = true
>>>> TrustBinaries = true
>>>>
>>>> Is anyone else seeing this?
>>>>
>>>> Thanks!
>>>>
>>>
>>>
>>
>>
>
>


-- 
Justin Clark-Casey (justincc)
OSVW Consulting
http://justincc.org
http://twitter.com/justincc