[Rd] R-beta 2004-04-07 build failed on AIX

[Liaw, Andy]

> From: pd at pubhealth.ku.dk
> 
> "Liaw, Andy" <andy_liaw at merck.com> writes:
> 
> > OK, after re-building R with the debug flags, I don't think 
> I'm getting
> > anything useful.  GDB gives me:
> > 
> > gdb) run --vanilla < /ltmp/try.R
> > Starting program: /SFS/user/ry/liawand/R/Rbuild/bin/exec/R 
> --vanilla <
> > /ltmp/try.R
> 
> Nothing in here??

Nada.
  
> > Error: [tcsetpgrp failed in terminal_inferior: Not owner]
> > aix-thread resume: unknown pthread 19
> > aix-thread: fetch_registers: pthdb_pthread_context returned CALLBACK
> > 
> > (gdb) bt
> > Error: aix-thread: fetch_registers: pthdb_pthread_context 
> returned CALLBACK
> > 
> > and:
> > 
> > Unable to Read Instructions at 0x90000000018c6d4
> > 
> > Anyone know what these means?
> 
> Not really, but a couple of thoughts:
> 
> 1) Why are threads involved? Multi-threaded blas? Can you build
>    without one?

No, it's using R's internal BLAS.  I see that -lpthread is in FLIBS defined
in Makeconf, so it was the Fortran compiler that wanted it.

 
> 2) If you blew away the stack, the object is to get to the point just
>    before it happened, which means checkpoints, single-stepping and
>    general attempts to bisect the path leading to the point of
>    failure. Can you read the gc_count variable after the crash? It is
>    sometimes useful to conditionalize breakpoints (cond 1
>    gc_count==1234 etc.) 

I'll keep tryin'...

Thanks!
Andy

 
> -- 
>    O__  ---- Peter Dalgaard             Blegdamsvej 3  
>   c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
>  (*) \(*) -- University of Copenhagen   Denmark      Ph: 
> (+45) 35327918
> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: 
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> 
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