[Opensim-users] osNpcLoadApparence severe issue

[Olivier van Helden]

http://opensimulator.org/mantis/view.php?id=5955

We tried SIGQUIT as well ass SIGKILL, no effect



Le 3 avr. 2012 à 05:36, Justin Clark-Casey a écrit :

> Interesting Olivier.  Could you open a Mantis on this?  It would be great if, when the simulator does lock up, you could capture a VM thread dump from mono (send it a SIGQUIT signal).  Don't worry if this isn't possible.
> 
> The code should be fixed to not crash even if somebody does pound the function rather than trying to avoid this by inserting a delay.  However, it might be a good idea to have tunable script delays in some OSSL functions just like LSL functions anyway.
> 
> On 31/03/12 13:42, Olivier van Helden wrote:
>> (note: too bad I noticed that *after* the 0.7.3.1 release, sorry Justin)
>> 
>> In my install osNpcLoadAppearence makes the simulator severely crash if called twice and too fast for the same NPC.
>> (I say "severly" because console does not respond anymore, kill doesn't kill and I have to kill the parent process to actually kill mono)
>> 
>> I tested on Linux and FreeBSD. I didn't have the chance (and didn't want) to check on anyone else installation (I definitively don't want to crash somebody else server just for tests).
>> But if anyone has a crash-test simulator with NPC allowed, I would be happy to test my script there.
>> 
>> I have an NPC creator, which allows to switch appearance. Works fine, unless I click too fast.
>> 
>> If I call osNpcLoadAppearence a second time, before the appearance is razzed, the (let's say within the next second), the simulator crashes, without specific error in the log.
>> 
>> Of course, I can update my lsl script to handle that. But the crash makes a high thread risk.
>> 
>> The script engine should do at least one of the following:
>> 	- force sleep after osNpcLoadAppearance
>> 	- fail, silently or with an error code if fired twice for the same NPC within a given interval, or before the new appearance has finished loading.
>> 
>> 
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>> 
> 
> 
> -- 
> Justin Clark-Casey (justincc)
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