Discussion related to cado-nfs

[Paul Leyland <paul.leyland@gmail.com>]

On Fri, 2014-02-14 at 11:45 +0100, Alexander Kruppa wrote:
> The ./c59.duplicates1.dup1.stderr.1 gives a hint:
> 
> gzip: stdin: invalid compressed data--format violated
> filter_rels_producer_thread: load error (Bad file descriptor) from
> /home/pcl/nums/cado-nfs-2.0/build/anubis/utils/antebuffer 24 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.205000-206000.8uuex1.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.203000-204000.p5pstd.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.207000-208000.9afj9j.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.215000-216000.cqaodj.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.214000-215000.73m4kz.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.200000-201000.1uwvzv.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.212000-213000.o69i0k.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.209000-210000.bklz4_.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.204000-205000.fouvpw.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.208000-209000.ic1qxd.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.206000-207000.2t3chr.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.201000-202000.7nlz09.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.213000-214000.y739lt.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.202000-203000.385eg_.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.211000-212000.myffn2.gz 
> /tmp/cado.VgIbqQcYNM/c59.upload/c59.sieving.210000-211000.f18w1x.gz | gzip 
> -dc -
> 
> It seems that at least one of those files is not a correctly gzipped file. 
> Can you try gunzip -t on those files and see if any error is reported?

I came to the same conclusion and mailed the output of file(1), the results 
of which you should have already seen by now.

Further, the Unix compressed files apparently contain bunches of '\0' 
characters.  I'm wondering if gzip is broken on this machine ...


Paul

pcl@anubis /tmp/cado.VgIbqQcYNM/c59.upload $ zmore 
c59.sieving.201000-202000.7nlz09.gz


# (aa1fae3) /tmp/cado.VgIbqQcYNM/client/download//las -I 11 -poly 
/tmp/cado.VgIbqQcYNM/client/download//c59.polyselect.poly -fb 
/tmp/cado.VgIbqQcYNM/client/download//c59.factorbase.roots.gz -q0 216000 -q1 
217000 -rlim 50000 -alim 100000 -lpbr 22 -lpba 22 -mfbr 24 -mfba 24 -rlambda 
1.2 -alambda 1.2 -out 
/tmp/cado.VgIbqQcYNM/client/localhost.work//c59.sieving.216000-217000.gz -mt 
2 -stats-stderr
# Compiled with gcc 4.7.3
# Compilation flags -std=c99 -g -W -Wall -O2 -msse3
# las.c flags: ALG_LAZY NORM_STRIDE=8 (locked) VERT_NORM_STRIDE=4 (max) 
NORM_BITS=10 LOG_BUCKET_REGION=16 GUARD=1.00 
LOG_MAX=2^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Tg
 new rr
#e configur3
# lasor q~2^@^@^@^@338 .c the algebraic#e de^@^@^@buG_Bt_regd) 
V-al^@^@^@^@^@^@^@^@^@^@^@^@t_rnb_egd) Vs^@^@^@32,alge pass f8 .braiegd) 
Vs^@sortt_rRat.buG_B: log2_MAXnorm)=62.84 log1000^@^@^@187072 
bound^@^@^@7t_rAlg.buG_B: log2_MAXnorm)=96.02 log1000^@^@^@396652 
bound^@55.bu-stdpoly e^@^@^@000ly y y7^@^@^@ Vs^@^@^@^@7t_rA0ly y y7a0Mb took 
0.0slog2eadlasot_regd) V-^@7t_rA0ly y from00.gz -mt 2 -stats-stderr
# C^@^@^@^@^@^@^@^@^@a0Mbe^@^@^@^@^@^@^@gIbq^@^@^@humber52 bsmse3-^@^@^@^@^@d 
primes in 96.02 log1000^@^@^@39665buG0^@^@^@
^@^@^@^@^@59^@^@^@0^@^@^@ stdeth6 Gd la2412a2412^@^@^@Inverg.bsumerr
n 96.02 log1000^@^@^@39665buG0^@^@^@^@^@^@^@^@59^@^@^@0^@^@^@ stdeth6 Gd 
la0.17403MAX17380 [hit jitttdeAX13%]^@^@^@000^@^@
^@187st^@gIegy38 .c18a/^@gIbq^@^@^@h[600=z -q0 000=22]^@^@^@Us02 
l1+2^@^@^@^@P-1/P+0^@^@^@^@KP+0^@^@^@^@^@^@^@umer^@^@^@^@mer,^@396g1000^@^@^@39^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Inv2^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@c/+^@^@
^@5475 452
# CbuG0^@^@^@^@^@^@^@^@59^@^@^@0^@^@^@ stdeth6 Gd 
la2412^@^@^@^@^@^@^@^@Inv2^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@c/+^@^@^@^@0
^@9962^@^@0^@98 21^@^@^@^@^@^@^@^@59^@^@^@070^@ stdeth6 Gd la0.17403MAX17380 
^@^@^@^@^@^@^@^@IntdeAXnt/down^@000^@^@^@187st^@gIegy38 
.c18a/^@gIbq^@^@^@h[600=Sambda ^@^@^@rame59^@^@^@^@^@^@^@ET_REGION=16 
GUARD=1.00 LOG_MAXSambda ^@^@^@rame59^@^@: o.VgX13%]^@^@/cli_Btnt/do 
l1+^@^@^@^@/do+^@^@a^@/dbuGGGGGGGGGGGGGGGGGGGGGoots=^@^@^@q0 2=^@^@^@ -q1 
21c#e2 boq1 21c#e2buGGGGGGGGGGGGGGGGGGGGGskewness=322^@^@^@^@9q1 
7#GGG^@^@rame59IntdeAXnt/q=bda 37; rho=3954; a0=3954; b0=1; a1=85555; 
b1=-2^@^@^@^@
^@
^@AXn.0slo^@^@^@^@^@^@^@oots32:5,b,d,169f,7f61,63c7d:2,2^@^@^@^@2^@^@^@^@1f^@1f^@1f^@4f,fb,a70f,34be5,203aef
33070^@^@^@^@e29:3,7f1d,95,607,72^@^@^@^@e2659^@1f5,2^@^@^@4f,49,ad:21885,203aef4085b^@^@^@51559,7937f67,63363cc9,bd63361817^@1f2^@^@^@^@5cb,72336139,127bb203aef
31a211