[petsc-users] SuperLU_dist issue in 3.7.4

[Satish Balay]

Thats from petsc-3.5

Anton - please post the stack trace you get with  --download-superlu_dist-commit=origin/maint

Satish


On Mon, 10 Oct 2016, Xiaoye S. Li wrote:

> Which version of superlu_dist does this capture?   I looked at the original
> error  log, it pointed to pdgssvx: line 161.  But that line is in comment
> block, not the program.
> 
> Sherry
> 
> 
> On Mon, Oct 10, 2016 at 7:27 AM, Anton Popov <popov at uni-mainz.de> wrote:
> 
> >
> >
> > On 10/07/2016 05:23 PM, Satish Balay 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.htm
> >>>> l&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
> >>
> >> Hi Satish,
> > I did this:
> >
> > git clone -b maint https://bitbucket.org/petsc/petsc.git petsc
> >
> > --download-superlu_dist
> > --download-superlu_dist-commit=origin/maint (not sure this is needed,
> > since I'm already in maint)
> >
> > The problem is still there.
> >
> > Cheers,
> > Anton
> >
>