Discussion related to cado-nfs

[paul zimmermann <Paul.Zimmermann@inria.fr>]

       Dear Meng,

> Date: Fri, 24 Apr 2015 21:20:16 +0800 (CST)
> From: meng  <qsmeng@126.com>
> 
> Hi,
>   I try to use the polynomial that is only size-optimized to do factoring, 
> the following error is displayed:
> ......
> Info:Polynomial Selection (root optimized): Imported polynomial, skipping 
> this phase
> Info:Generate Factor Base: Starting
> Warning:Command: Process with PID 7095 finished with return code -6
> Error:Generate Factor Base: Program run on server failed with exit code -6
> Error:Generate Factor Base: Command line was: build/greatnet/sieve/makefb 
> -poly /tmp/c150/c150.polyselect2.poly -alim 32000000 -maxbits 12 -out 
> /tmp/c150/c150.factorbase.roots.gz -t 2 > 
> /tmp/c150/c150.factorbase.makefb.stdout.1 2> 
> /tmp/c150/c150.factorbase.makefb.stderr.1
> Error:Generate Factor Base: Stderr output follows (stored in file 
> /tmp/c150/c150.factorbase.makefb.stderr.1):
> b'Error, N does not divide resultant of given polynomials\ncode BUG() : 
> condition 0 failed in cado_poly_getm at 
> /$home/cado-nfs/utils/cado_poly.c:201 -- Abort\n'
> 
> Traceback (most recent call last):
>   ......
> What should I do to fix it if I would like to use only size-optimized 
> polynomial?
> Thank you in advance.  
>  Best regards,
> Meng

this is strange. Please can you send us your c50.poly file, your
cadofactor.py command-line, and the exact revision you used?

Paul