[Yt-dev] possible bug?

[Britton Smith]

Hi Eric,

Matt's suggestion would be helpful.  If you were running the code
successfully at any time recently, it should be simple to track down the
revision where it breaks.
Does the halo filter list actually get written out?  I assume this is only
hanging when running in parallel, but correct me if I'm wrong on that.
Looking at the light cone and halo profiler code, the function where the
hang occurs is called from functions that have various parallel decorators
around them, which are probably adding a number of barriers.

Britton

On Mon, Apr 5, 2010 at 11:35 AM, Matthew Turk <matthewturk at gmail.com> wrote:

> Eric, if you can run "hg bisect" (see the hg book online) to identify the
> revision this started at, that would be very handy. I would start b going
> back only a dozen or so. Does this problem occur on smaller datasets on, say
> your laptop or desktop?
>
>
>
>
> On Apr 5, 2010, at 10:14 AM, Eric Hallman <hallman13 at gmail.com> wrote:
>
>  I am getting a hang when I run the lightcone tools on ranger, and no debug
>> info is coming out at the hang. this is in the hg version (current) of yt.
>>
>> The routines I'm running is called test_vel_mask.py, which is creating a
>> lightcone with a halo map that includes the bulk line of sight halo
>> velocity.  It includes  a slight modification of HaloMask.py to include
>> velocities.  However, I removed my changes, and ran again with the same
>> hang. The routine below is copied nearly directly from the yt docs, with
>> minor changes.
>>
>> Routine is attached as test_wo_vel.py
>> <test_wo_vel.py>
>>
>>
>>
>> Hang occurs with text line:
>> yt.lagos   INFO       2010-04-05 12:06:15,657 Writing filtered halo list
>> to
>> /scratch/00688/tg458377/box_size_study/50Mpc_1024/run_12_cl_5D/RD0004/virial_filter.out.
>>
>> traceback is attached as test_vel_traceback.out
>>
>> <test_vel_traceback.out>
>>
>>
>>
>>
>> Thanks for any help...
>>
>> cheers
>>
>> Eric Hallman
>> Google Voice: (774) 469-0278
>> hallman13 at gmail.com
>>
>>
>>
>>
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