[petsc-dev] ld: warning: could not create compact unwind for _dgeev_: registers 27 and 28 not saved contiguously in frame

[Satish Balay]

Ok - this issue persists in main branch

reproducible [on M1 mac] with:

./configure --with-mpi=0 --download-fblaslapack --with-debugging=no

Satish

On Tue, 19 Jul 2022, Barry Smith wrote:

> 
>    Urgg, I was sure we saw it recently and "fixed" it but searches on my machine and googling don't find any particular place where we fixed it so I must be imagining things.
> 
>   Barry
> 
> 
> > On Jul 19, 2022, at 2:22 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> > 
> > Barry,
> > 
> > Which commit in 3.17 fixed this?
> > 
> > Fande,
> > 
> > If I add a patch to branch "release-3.16" - would that get used? [as there won't be any new 3.16 tarballs]
> > 
> > BTW: Any particular reason to use fblaslapack - instead of [default] veclib on Mac?
> > 
> > Satish
> > 
> > 
> > On Tue, 19 Jul 2022, Fande Kong wrote:
> > 
> >> Hi Barry,
> >> 
> >> It would be nice if we could get this patch to PETSc-3.16.
> >> 
> >> We will upgrade to PETSc-3.17 for sure but it will take a while
> >> 
> >> Fande
> >> 
> >> On Tue, Jul 19, 2022 at 11:59 AM Barry Smith <bsmith at petsc.dev> wrote:
> >> 
> >>> 
> >>>  I think we have a fix for this in the 3.17 release. Perhaps Satish could
> >>> stick this line into the 3.16 release/tag for its users?
> >>> 
> >>>  Barry
> >>> 
> >>> 
> >>>> On Jul 19, 2022, at 1:48 PM, Fande Kong <fdkong.jd at gmail.com> wrote:
> >>>> 
> >>>> Hi PETSc team,
> >>>> 
> >>>> We had trouble when compiling fblaslapack on Apple M1.  We could get
> >>> around this issue by using the following patch, but do not really know
> >>> whether or not it is the right way to fix this issue.
> >>>> 
> >>>> petsc % git diff
> >>>> 
> >>>> diff --git a/config/BuildSystem/config/framework.py
> >>> b/config/BuildSystem/config/framework.py
> >>>> index 5b210ebb58..0ce27ef06d 100644
> >>>> --- a/config/BuildSystem/config/framework.py
> >>>> +++ b/config/BuildSystem/config/framework.py
> >>>> @@ -554,6 +554,7 @@ class Framework(config.base.Configure,
> >>> script.LanguageProcessor):
> >>>>       lines = [s for s in lines if s.find(' was built for newer macOS
> >>> version') < 0]
> >>>>       lines = [s for s in lines if s.find(' was built for newer OSX
> >>> version') < 0]
> >>>>       lines = [s for s in lines if s.find(' stack subq instruction is
> >>> too different from dwarf stack size') < 0]
> >>>> +      lines = [s for s in lines if s.find('could not create compact
> >>> unwind') < 0]
> >>>>       # Nvidia linker
> >>>>       lines = [s for s in lines if s.find('nvhpc.ld contains output
> >>> sections') < 0]
> >>>>       if lines: output = '\n'.join(lines)
> >>>> 
> >>>> 
> >>>> Please check the log file to have more details of failing messages.
> >>>> 
> >>>> 
> >>>> Thanks,
> >>>> 
> >>>> Fande
> >>>> <configure.log>
> >>> 
> >>> 
> >> 
> > 
>