On Sat, Jun 2, 2012 at 11:31 PM, Roy Stogner <royst...@ices.utexas.edu> wrote:
>
> On Wed, 30 May 2012, Roy Stogner wrote:
>
>> While trying to track down a bug in my next ParallelMesh patch, I ran
>> into an apparent bug in our Parmetis support that dates back for I
>> don't know how far.
>>
>> We already serialize and fall back on Metis when we have more elements
>> than processors, and according to our code comments N_e<N_p is simply
>> an unsupported configuration for Parmetis... but I'm seeing crashes
>> (segfaults and/or double-frees) in quite a few other cases. Running
>> adaptivity_ex1 with 1 through 20 elements on 1 through 15 processors
>> gives failures whenever num_proc: num_elem is in
>>
>> 3:3
>> 4:4
>> 5:5,6,7,8
>> 6:6,7,8
>> 7:7,8,9
>> 8:8,9,10,11
>> 9:9,10,11,12
> ...
>
> Sadly, we seem to be getting the very same failure pattern with the
> current ParMETIS.
Another sad thing: new Metis apparently doesn't build on Macs? Maybe
it's just my Mac?
I'm looking into this, but before I waste too much time, has anyone
seen this error before?
--- Building Metis ---------------------------
Compiling C (in optimized mode) b64.c...
In file included from GKlib.h:66,
from b64.c:20:
./gk_externs.h:19: error: thread-local storage not supported for this target
./gk_externs.h:20: error: thread-local storage not supported for this target
./gk_externs.h:21: error: thread-local storage not supported for this target
make[1]: *** [b64.x86_64-apple-darwin10.8.0.opt.o] Error 1
make: *** [all] Error 2
--
John
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