[petsc-dev] Bug in MatShift_MPIAIJ ?

[Eric Chamberland]

Hi!

hint: For petsc 3.6.1, if I apply the patches that Patrick gave (in the 
head of this thread), it all works correctly,

Eric

On 07/10/15 10:11 PM, Eric Chamberland wrote:
> Hi Jed,
>> If I recall correctly, that patch is only checking for incorrect use by
>> ensuring that the flags are set collectively.  If your code is correct
>> then it doesn't affect you and if your code is incorrect, it will error
>> now where as it would behave incorrectly before.  The implementation was
>> done by changing some enum values, which is why it breaks the ABI.
>>
>> As Satish says, you can apply the patch and see if your code errors.
>>
>> If your example is simple, you can send it along so we can debug and add
>> it to the test suite.
>
> ok, after applying the patch, the code still error at the same place.
>
> The fact is that doing the very same MatShift with petsc 3.5.3 was
> working correctly...  in fact it is now hanging into one of our test
> from our test suite...
>
> I will have to dig further into this...
>
> to be continued...
>
> Eric


Hi!