Well, I don't see a problem with the build (linked libraries/binary images).  
It looks like something got out of control, but it's too deep for me.  I'm not 
crashing in the browser or opening a GRASS layer.

Are you sure it happens when you click a GRASS layer?  Try letting the browser 
sit for a while and see it QGIS eventually crashes.

Does it happen with both raster and vector layers? or just one?

Try closing the browser panel and opening again.

Try closing the browser panel and loading the GRASS layer with drag-n-drop 
(very clunky) - for a raster the named file in the cellhd folder of the mapset, 
for a vector the head file in the named subfolder of the vector folder.  Oddly, 
I get a crash on rasters with this method, but not vectors.  This method names 
the layers added by the file names selected.

Are there other kinds of data showing in the browser tree?  Maybe try to 
isolate the GRASS data so only it appears in the tree.

> On Oct 11, 2016, at 10:15 AM, wkent <wk...@medinaco.org> wrote:
> 
> Sure, no problem.  See attached text file.
> 
> On 2016-10-11 11:07 am, William Kyngesburye wrote:
>> Could you post a new crash log?
>>> On Oct 11, 2016, at 9:42 AM, wkent <wk...@medinaco.org> wrote:
>>> Great! 2.16.3 resolves the problem of not being able to access the GRASS 
>>> tools from the Processing toolbox.  Thanks so much for the quick fix.
>>> I am however still getting a crash when trying to work with existing GRASS 
>>> data layers.  As soon as I click on a GRASS layer in the Browser panel, 
>>> QGIS crashes.
>>> On 2016-10-11 10:06 am, William Kyngesburye wrote:
>>>> Install 2.16.3, this should fix GRASS problems.
>>>>> On Oct 11, 2016, at 8:07 AM, wkent <wk...@medinaco.org> wrote:
>>>>> I can run GRASS commands through the GRASS toolbox (using the GRASS 
>>>>> plugin); but I am unable to run them through the Processing Toolbox.  I 
>>>>> get the "This algorithm cannot be run :-(" error, and the QGIS log shows:
>>>>> 2016-10-11T09:02:12       0       GRASS GIS 7 execution console output
>>>>>                   /bin/sh: grass70: command not found
>>>>>                   /bin/sh: grass70: command not found
>>>>> I have set the paths in both the Processing Toolbox options, and the 
>>>>> GRASS Plugin options, to /Applications/QGIS.app/Contents/MacOS/grass7.
>>>>> In regards to the crash I get when trying to add an existing GRASS layer 
>>>>> (vector or raster) from the Browser panel to the Layers panel, the 
>>>>> attached text file is the crash report that was generated.
>>>>> Thanks so much for your help!
>>>>> On 2016-10-07 5:51 pm, William Kyngesburye wrote:
>>>>>> Loading GRASS data and using the GRASS toolbox are separate from using
>>>>>> GRASS "algorithms" in the Processing plugin.
>>>>>> The Processing plugin needs to know where GRASS is (set in Processing
>>>>>> options, but defaults to bundled GRASS 7), and runs GRASS commands in
>>>>>> a separate process than QGIS (should not crash QGIS).
>>>>>> Loading GRASS data in QGIS needs no configuration of a GRASS path
>>>>>> (this could crash QGIS if there is a bug or build problem).  Running
>>>>>> GRASS modules does need configuration, but this also defaults to the
>>>>>> bundled GRASS 7.  There is also a "general" GRASS option for the GRASS
>>>>>> installation path, but this seems to default to the compiled GRASS
>>>>>> location.  You can try setting this to the QGIS app:
>>>>>> /Applications/QGIS.app/Contents/MacOS/grass7
>>>>>> If you still get a crash, a copy of the crash log would help figure
>>>>>> out what's wrong.
>>>>>>> On Oct 7, 2016, at 1:30 PM, wkent <wk...@medinaco.org> wrote:
>>>>>>> On 2016-09-29 8:45 am, Howard Frederick wrote:
>>>>>>>> Recently upgraded to 2.16 - but cannot enable GRASS in the Processing 
>>>>>>>> configuration. Any ideas how to make this work?
>>>>>>>> The folder seems to be correctly indicated in the config: 
>>>>>>>> /Applications/QGIS.app/Contents/MacOS/grass7
>>>>>>>> This (and alternatives like ending as grass7/ ) give "This algorithm 
>>>>>>>> cannot be run :-(".
>>>>>>>> Version: QGIS 2.16.2, on OS X 10.10.5.
>>>>>>> Same error here, except running OS X 10.11.6.  It seems to be a path 
>>>>>>> issue, although I have not been able to determine where the path is set.
>>>>>>> Additionally, while QGIS is able to locate and open my existing GRASS 
>>>>>>> locations/mapsets, when I click on a GRASS layer in the browser panel 
>>>>>>> to add to the layers panel, QGIS crashes.
>>>>>>> _______________________________________________
>>>>>>> Qgis-user mailing list
>>>>>>> Qgis-user@lists.osgeo.org
>>>>>>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>>>>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>>>> -----
>>>>>> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
>>>>>> http://www.kyngchaos.com/
>>>>>> "Those people who most want to rule people are, ipso-facto, those
>>>>>> least suited to do it."
>>>>>> - A rule of the universe, from the HitchHiker's Guide to the Galaxy
>>>>> <qgis_2-16-2_crash_report_loading_grass_layer.txt>
>>>> -----
>>>> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
>>>> http://www.kyngchaos.com/
>>>> "We can die but once, and that once we must die.  To be always
>>>> fearing, then, would not avert it, and would make life miserable."
>>>> - Tarzan, on death
>>> _______________________________________________
>>> Qgis-user mailing list
>>> Qgis-user@lists.osgeo.org
>>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
>>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
>> -----
>> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
>> http://www.kyngchaos.com/
>> "Time is an illusion - lunchtime doubly so."
>> - Ford Prefect
> <qgis_2-16-3_crash_report_loading_grass_layer.txt>

-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/

"Mon Dieu! but they are all alike.  Cheating, murdering, lying, fighting, and 
all for things that the beasts of the jungle would not deign to possess - money 
to purchase the effeminate pleasures of weaklings.  And yet withal bound down 
by silly customs that make them slaves to their unhappy lot while firm in the 
belief that they be the lords of creation enjoying the only real pleasures of 
existence....

- the wisdom of Tarzan


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