<URL: https://rt.cpan.org/Ticket/Display.html?id=97035 >
On Mon Jul 07 18:30:19 2014, t...@develop-help.com wrote: (Sorry for the late reply, our bug forwarding script didn't set requestor or cc, so I didn't see your reply.) > This is a segmentation fault, could I please get a backtrace from it? > > $ perl Makefile.PL OPTIMIZE=-g > $ make > $ cd PNG > $ gdb --args perl -Mblib t/10png.t > ... > gdb> bt Unfortunately this doesn't work in the s390x chroot (while it works fine on my local machine): $ gdb --args perl -Mblib t/10png.t GNU gdb (Debian 7.7.1-2) 7.7.1 [..] Reading symbols from perl...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/perl -Mblib t/10png.t Couldn't write registers: Invalid argument. (gdb) Same for every program I try to run under gdb. -- Ah, seems to be https://bugs.debian.org/728705 So let's try the workaround: $ ulimit -c unlimited $ perl -Mblib t/10png.t 1..251 ok 1 - must have png format # Library version 10250 ok 2 - write ok 3 - read png # png average mean square pixel difference: 0 ok 4 - compare saved and original images ok 5 - i_xres: 300 ok 6 - i_yres: 200 ok 7 - i_format: png ok 8 - write tranparent ok 9 - read transparent # png average mean square pixel difference: 0 ok 10 - compare saved and original transparent ok 11 - read transparent paletted image ok 12 - read palette_out image ok 13 - images the same ok 14 - set width limit 149 ok 15 - should fail read due to size limits # file size limit - image width of 150 exceeds limit of 149 ok 16 - check message ok 17 - set height limit 149 ok 18 - should fail read due to size limits # file size limit - image height of 150 exceeds limit of 149 ok 19 - check message ok 20 - set width limit 150 ok 21 - should succeed - just inside width limit ok 22 - set height limit 150 ok 23 - should succeed - just inside height limit ok 24 - set bytes limit 67499 ok 25 - should fail - too many bytes # file size limit - storage size of 67500 exceeds limit of 67499 ok 26 - check error message ok 27 - set bytes limit 67500 ok 28 - should succeed - just inside bytes limit ok 29 - check the image was loaded ok 30 - check image matches ok 31 - test write_multi() callback ok 32 - test write_multi() callback failure # closecb called ok 33 - check failing close fails ok 34 - check error message ok 35 - check png in read types ok 36 - check png in write types Segmentation fault (core dumped) $ gdb perl core [..] Core was generated by `perl -Mblib t/10png.t'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00000000fcef2068 in ?? () (gdb) bt #0 0x00000000fcef2068 in ?? () #1 0x000003fffcee132e in png_error () from /lib/s390x-linux-gnu/libpng12.so.0 #2 0x000003fffcee169a in png_chunk_error () from /lib/s390x-linux-gnu/libpng12.so.0 #3 0x000003fffcecb480 in ?? () from /lib/s390x-linux-gnu/libpng12.so.0 #4 0x000003fffcecb84a in ?? () from /lib/s390x-linux-gnu/libpng12.so.0 #5 0x000003fffced56cc in png_read_info () from /lib/s390x-linux-gnu/libpng12.so.0 #6 0x000003fffcef2d66 in i_readpng_wiol (ig=0x82af2840, flags=0) at impng.c:362 #7 0x000003fffcef0da4 in XS_Imager__File__PNG_i_readpng_wiol (my_perl=0x822a5010, cv=0x82aba5a0) at PNG.c:195 #8 0x000003fffd37a4fa in Perl_pp_entersub () from /usr/lib/libperl.so.5.18 #9 0x000003fffd3713a8 in Perl_runops_standard () from /usr/lib/libperl.so.5.18 #10 0x000003fffd2f7d3a in perl_run () from /usr/lib/libperl.so.5.18 #11 0x0000000080000fa2 in main () With perl-debug installed: (gdb) bt #0 0x00000000fcef2068 in ?? () #1 0x000003fffcee132e in png_error () from /lib/s390x-linux-gnu/libpng12.so.0 #2 0x000003fffcee169a in png_chunk_error () from /lib/s390x-linux-gnu/libpng12.so.0 #3 0x000003fffcecb480 in ?? () from /lib/s390x-linux-gnu/libpng12.so.0 #4 0x000003fffcecb84a in ?? () from /lib/s390x-linux-gnu/libpng12.so.0 #5 0x000003fffced56cc in png_read_info () from /lib/s390x-linux-gnu/libpng12.so.0 #6 0x000003fffcef2d66 in i_readpng_wiol (ig=0x82af2840, flags=0) at impng.c:362 #7 0x000003fffcef0da4 in XS_Imager__File__PNG_i_readpng_wiol (my_perl=0x822a5010, cv=0x82aba5a0) at PNG.c:195 #8 0x000003fffd37a4fa in Perl_pp_entersub (my_perl=0x822a5010) at pp_hot.c:2888 #9 0x000003fffd3713a8 in Perl_runops_standard (my_perl=0x822a5010) at run.c:42 #10 0x000003fffd2f7d3a in S_run_body (oldscope=1, my_perl=0x822a5010) at perl.c:2467 #11 perl_run (my_perl=0x822a5010) at perl.c:2383 #12 0x0000000080000fa2 in main (argc=3, argv=0x3ffffb4dcc8, env=0x3ffffb4dce8) at perlmain.c:114 Cheers, gregor -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
