[petsc-users] SuperLU_dist issue in 3.7.4

[Barry Smith]

   Fande,

    If you can reproduce the problem with PETSc 3.7.4 please send us sample code that produces it so we can work with Sherry to get it fixed ASAP.

   Barry

> On Oct 7, 2016, at 10:23 AM, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> On Fri, 7 Oct 2016, Kong, Fande wrote:
> 
>> On Fri, Oct 7, 2016 at 9:04 AM, Satish Balay <balay at mcs.anl.gov> wrote:
>> 
>>> On Fri, 7 Oct 2016, Anton Popov wrote:
>>> 
>>>> Hi guys,
>>>> 
>>>> are there any news about fixing buggy behavior of SuperLU_DIST, exactly
>>> what
>>>> is described here:
>>>> 
>>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.
>>> mcs.anl.gov_pipermail_petsc-2Dusers_2015-2DAugust_026802.html&d=CwIBAg&c=
>>> 54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=DUUt3SRGI0_
>>> JgtNaS3udV68GRkgV4ts7XKfj2opmiCY&m=RwruX6ckX0t9H89Z6LXKBfJBOAM2vG
>>> 1sQHw2tIsSQtA&s=bbB62oGLm582JebVs8xsUej_OX0eUwibAKsRRWKafos&e=  ?
>>>> 
>>>> I'm using 3.7.4 and still get SEGV in pdgssvx routine. Everything works
>>> fine
>>>> with 3.5.4.
>>>> 
>>>> Do I still have to stick to maint branch, and what are the chances for
>>> these
>>>> fixes to be included in 3.7.5?
>>> 
>>> 3.7.4. is off maint branch [as of a week ago]. So if you are seeing
>>> issues with it - its best to debug and figure out the cause.
>>> 
>> 
>> This bug is indeed inside of superlu_dist, and we started having this issue
>> from PETSc-3.6.x. I think superlu_dist developers should have fixed this
>> bug. We forgot to update superlu_dist??  This is not a thing users could
>> debug and fix.
>> 
>> I have many people in INL suffering from this issue, and they have to stay
>> with PETSc-3.5.4 to use superlu_dist.
> 
> To verify if the bug is fixed in latest superlu_dist - you can try
> [assuming you have git - either from petsc-3.7/maint/master]:
> 
> --download-superlu_dist --download-superlu_dist-commit=origin/maint
> 
> 
> Satish
>