[Sidefx-houdini-list] mantra problem

Neil Dickson ndickson at sidefx.com
Thu Jun 25 18:10:00 EDT 2015

"Where do I start trouble shooting?"

This is probably obvious advice, but if it might be a particular thing 
crashing, try removing things from the scene and simplifying things 
until it doesn't crash, then see how much of what you removed can be 
added back without it crashing.  That can help isolate what's going 
wrong.  Whatever is causing it to crash may be able to be simplified in 
some way to avoid crashing.

It's hard to give much specific advice beyond what Peter and Francois 
have given without a scene.  That said, it's really pushing it as to 
whether there'll be time for support to debug it in time for your 
deadline, depending on when it is tomorrow and how hard it is to get the 
scene going and debug it.  I know it doesn't help to say it now, but it 
would really have been good to ask sooner.

If baking to bgeo fixes it, please still submit a bug for it, so that 
the crash can have a hope of being fixed in the future!


On 25/06/2015 5:55 PM, Peter Bowmar wrote:
> I recommend sending this to SESI support, for starters. Also, can you
> render a frame on your machine without going to Hqueue? If so you might get
> a useful crash log you can send to SESI.
> Use verbose level 9 on the ROP when you do the local render, you can see
> what bucket it's crashing on. Then you can set your camera crop to only
> render the bits that don't crash, and stitch in Comp.
> Try a newer Houdini version, though the one you have is fairly up to date.
> Try an older Houdini version too, if you have one around.
> Cheers,
> Peter B
> On 25 June 2015 at 14:31, Gerbrand Nel <g at cannonballbunny.com> wrote:
>> Hey guys
>> I'm in deep shit right now.
>> Tomorrow is deadline and my scene refuses to render.
>> I'm rendering fur on characters animated in maya.
>> All animations gets exported as alembic files for me to fur and render in
>> houdini.
>> I've rendered 9 shots with almost no problems, but the last shot just
>> keeps crashing.
>> Where do I start trouble shooting?
>> Here is what I've done so far
>> I've changed the sampling up and down.
>> Changed the tile size up and down by factors of 8
>> I've changed the tile order
>> I've even rebuilt the scene from scratch based on a scene that renders
>> fine.
>> I've created new cameras and deleted the alembic cameras.
>> This is my first "real" job in houdini, and allot is riding on this. I had
>> to convince allot of people that they can trust me to deliver this job in
>> houdini.
>> Help my dumb-ass  please!!
>> G
>> Here is a error log from one of the crashed frames:
>> .........................
>> PROGRESS: 0.54/1
>> PROGRESS: 0.55/1
>> PROGRESS: 0.56/1
>> PROGRESS: 0.57/1
>> PROGRESS: 0.58/1
>> PROGRESS: 0.59/1
>> PROGRESS: 0.60/1
>> PROGRESS: 0.61/1
>> Traceback (most recent call last):
>>    File "C:\Program Files\Side Effects Software\Houdini
>> 14.0.361\houdini\scripts\hqueue\hq_render_from_hip.py", line 4, in <module>
>>      hqlib.callFunctionWithHQParms(hqlib.renderFromHip)
>>    File "C:\Program Files\Side Effects Software\Houdini
>> 14.0.361\houdini\scripts\hqueue\hqlib.py", line 1848, in
>> callFunctionWithHQParms
>>      return function(**kwargs)
>>    File "C:\Program Files\Side Effects Software\Houdini
>> 14.0.361\houdini\scripts\hqueue\hqlib.py", line 1011, in renderFromHip
>>      _invokeRopAndCatchErrors(rop, project_name, frame, True)
>>    File "C:\Program Files\Side Effects Software\Houdini
>> 14.0.361\houdini\scripts\hqueue\hqlib.py", line 441, in
>> _invokeRopAndCatchErrors
>>      raise e
>> hou.OperationFailed: The attempted operation failed.
>> Error:       Command Exit Code: -1073741819
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