[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Fedora End Of Life  changed:

   What|Removed |Added

 Status|ASSIGNED|CLOSED
 Resolution|--- |EOL
Last Closed||2018-05-29 07:46:02



--- Comment #11 from Fedora End Of Life  ---
Fedora 26 changed to end-of-life (EOL) status on 2018-05-29. Fedora 26
is no longer maintained, which means that it will not receive any
further security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
are unable to reopen this bug, please file a new report against the
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #10 from Petr Pisar  ---
This package was removed from Fedora 27 (bug #1459590).

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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #9 from Fedora End Of Life  ---
This message is a reminder that Fedora 26 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 26. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Dan Horák  changed:

   What|Removed |Added

 Blocks||1071880 (PPCTracker)




Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1071880
[Bug 1071880] (PPCTracker) Fedora for PowerPC architectures
(ppc64,ppc64le): Bug Tracker
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Petr Pisar  changed:

   What|Removed |Added

 Blocks|1423041 (F26FTBFS)  |




Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1423041
[Bug 1423041] Fedora 26 Mass Rebuild FTBFS Tracker
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Petr Pisar  changed:

   What|Removed |Added

 Blocks||238953
   ||(FE-ExcludeArch-ppc64,F-Exc
   ||ludeArch-ppc64), 1051573
   ||(F-ExcludeArch-ppc64le,PPC6
   ||4LETracker)



--- Comment #7 from Petr Pisar  ---
Disabled in perl-PDL-Graphics-PLplot-0.71-5.fc26.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=238953
[Bug 238953] ExcludeArch Tracker for ppc64
https://bugzilla.redhat.com/show_bug.cgi?id=1051573
[Bug 1051573] Fedora ppc64le tracker bug
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #6 from Petr Pisar  ---
I will disable the package on PowerPC. It never worked there and I'm unable to
debug it.

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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS: crash in plplot on 64-bit PowerPC

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Petr Pisar  changed:

   What|Removed |Added

Summary|perl-PDL-Graphics-PLplot-0. |perl-PDL-Graphics-PLplot-0.
   |71-3.fc26 FTBFS |71-3.fc26 FTBFS: crash in
   ||plplot on 64-bit PowerPC



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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Petr Pisar  changed:

   What|Removed |Added

 Blocks||1423041 (F26FTBFS)
 CC||rel...@fedoraproject.org



--- Comment #5 from Petr Pisar  ---
*** Bug 1424050 has been marked as a duplicate of this bug. ***


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1423041
[Bug 1423041] Fedora 26 Mass Rebuild FTBFS Tracker
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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774

Petr Pisar  changed:

   What|Removed |Added

External Bug ID||CPAN 119740



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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #4 from Petr Pisar  ---
It happens even if I disable GSL support in PDL that is problematic on PowerPC.

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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #3 from Petr Pisar  ---
This is the minimal reproducer:

use PDL;
use PDL::Config;
use PDL::Graphics::PLplot;

my $dev = 'xfig';

# Test shade plotting (low level interface)
plsdev ($dev);
plsfnam ("test12.$dev");
plspage (0,0, 600,600, 0,0);
plinit();
pladv (0);
plvpor(0.1, 0.9, 0.1, 0.9); 
plwind (-1, 1, -1, 1);
plpsty(0); 

my $nx = 35;
my $ny = 46;
my $x = (sequence($nx) - ($nx/2))/($nx/2);
my $y = (sequence($ny) - ($ny/2))/(($ny/2) - 1.0);
my $xv = $x->dummy(1, $y->nelem);
my $yv = $y->dummy(0, $x->nelem);
my $z = -sin(7*$xv) * cos (7*$yv) + $xv**2 - $yv**2;
my $nsteps = 15;
my ($zmin, $zmax) = $z->minmax;
my $clevel = ((sequence($nsteps)*(($zmax - $zmin)/($nsteps-1))) + $zmin);
my $xmap = ((sequence($nx)*(2/($nx-1))) + -1); # map X coords linearly to -1 to
1
my $ymap = ((sequence($ny)*(2/($ny-1))) + -1);
my $grid = plAllocGrid ($xmap, $ymap);
plshades($z, -1, 1, -1, 1,
 $clevel, 2,
 0, 0, 1, 
 0, \, $grid);

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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #2 from Petr Pisar  ---
It does not crash when running under gdb or when executed from vim. Maybe some
kind of a race condition.

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[Bug 1410774] perl-PDL-Graphics-PLplot-0.71-3.fc26 FTBFS

[bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1410774



--- Comment #1 from Petr Pisar  ---
The t/plplot.t crashes when executing "3D color plot, low level interface" test
when calling plshades() Perl subroutine:

#0  pltr1 (x=19.590623970008657, y=1, tx=0x3fffe3c621e8, ty=0x3fffe3c621f0,
pltr_data=0x1dde5cc0) at /usr/src/debug/plplot-5.11.1/src/plcont.c:896
#1  0x3fff8fe41cc4 in plshade_int (f2eval=,
f2eval_data=, defined=0x0, nx=, ny=, xmin=-1, xmax=, 
ymin=-1, ymax=, shade_min=,
shade_max=, sh_cmap=1, sh_color=0, sh_width=2, min_color=0,
min_width=, max_color=0, 
max_width=, fill=0x3fff8fe2df10 , rectangular=1,
pltr=0x3fff8fe1af00 , pltr_data=0x1dde5cc0,
UNUSED_c2eval_data=, 
c2eval=) at /usr/src/debug/plplot-5.11.1/src/plshade.c:666
#2  0x3fff8fe42b00 in plfshades (zops=0x3fff8fe80fd0 ,
zp=0x1001ddfc5c0, nx=, ny=, defined=0x0, xmin=-1,
xmax=1, ymin=-1, ymax=1, 
clevel=0x1001ddfb0a0, nlevel=15, fill_width=2, cont_color=0, cont_width=0,
fill=0x3fff8fe2df10 , rectangular=1, pltr=0x3fff8fe1af00 ,
pltr_data=0x1dde5cc0)
at /usr/src/debug/plplot-5.11.1/src/plshade.c:262
#3  0x3fff8fe42ee8 in c_plshades (a=0x1001ddfc5c0, nx=,
ny=, defined=0x0, xmin=, xmax=,
ymin=, 
ymax=, clevel=0x1001ddfb0a0, nlevel=15,
fill_width=, cont_color=0, cont_width=,
fill=0x3fff8fe2df10 , rectangular=1, 
pltr=0x3fff8fe1af00 , pltr_data=0x1dde5cc0) at
/usr/src/debug/plplot-5.11.1/src/plshade.c:211
#4  0x3fff8fef7ce4 in pdl_plshades_pp_readdata (__tr=0x1001de05d60) at
PLplot.xs:29263
#5  0x3fff905c1c24 in pdl__ensure_trans (trans=0x1001de05d60,
what=) at pdlapi.c:1227
#6  0x3fff905c3010 in pdl_make_trans_mutual (trans=0x1001de05d60) at
pdlapi.c:849
#7  0x3fff8ff19fac in XS_PDL_plshades_pp (my_perl=,
cv=) at PLplot.xs:56457
#8  0x3fff90f1c8fc in Perl_pp_entersub (my_perl=0x1001cb80010) at
pp_hot.c:3987
#9  0x3fff90f13508 in Perl_runops_standard (my_perl=0x1001cb80010) at
run.c:41
#10 0x3fff90e87124 in S_run_body (oldscope=,
my_perl=) at perl.c:2483
#11 perl_run (my_perl=0x1001cb80010) at perl.c:2406
#12 0x1de8 in main (argc=, argv=,
env=) at perlmain.c:116

The crash is in plplot library when dereferencing grid variable, debugger
states the pointer is inaccessible:

void
pltr1( PLFLT x, PLFLT y, PLFLT *tx, PLFLT *ty, PLPointer pltr_data )
{
PLINT   ul, ur, vl, vr;
PLFLT   du, dv;
PLFLT   xl, xr, yl, yr;

PLcGrid *grid = (PLcGrid *) pltr_data;
PLFLT   *xg   = grid->xg;
PLFLT   *yg   = grid->yg;
PLINT   nx= grid->nx;
→   PLINT   ny= grid->ny;

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