[petsc-users] SuperLU_dist issue in 3.7.4

[Satish Balay]

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