Re: Segfault when using \bookpart

[Mats Bengtsson]

Patrick McCarty wrote:
> Can anyone reproduce this with the latest git?
>   
Yes, I get a SIGSEGV with todays GIT. I attach the last lines output by 
valgrind, in case it
can provide some hint on the problem:


Drawing systems...
Layout output to `s.ps'...
Calculating line breaks...
Drawing systems... ==5786==
==5786== Invalid read of size 4
==5786==    at 0x82EA775: get_column_description(std::vector<Grob*, 
std::allocator<Grob*> > const&, unsigned, bool) (simple-spacer.cc:345)
==5786==    by 0x82EBD75: get_line_forces(std::vector<Grob*, 
std::allocator<Grob*> > const&, double, double, bool) (simple-spacer.cc:408)
==5786==    by 0x81694E9: Constrained_breaking::initialize() 
(constrained-breaking.cc:351)
==5786==    by 0x816A4BF: 
Constrained_breaking::Constrained_breaking(Paper_score*, 
std::vector<unsigned, std::allocator<unsigned> > const&) 
(constrained-breaking.cc:310)
==5786==    by 0x8264F92: Page_breaking::find_chunks_and_breaks(bool 
(*)(Grob*)) (page-breaking.cc:374)
==5786==    by 0x826694D: Page_breaking::Page_breaking(Paper_book*, bool 
(*)(Grob*)) (page-breaking.cc:106)
==5786==    by 0x8259790: 
Optimal_page_breaking::Optimal_page_breaking(Paper_book*) 
(optimal-page-breaking.cc:28)
==5786==    by 0x8262064: ly_optimal_breaking(scm_unused_struct*) 
(page-breaking-scheme.cc:31)
==5786==    by 0x406AEAE: deval (eval.c:4220)
==5786==    by 0x406C5DF: deval (eval.c:3636)
==5786==    by 0x4068A66: scm_dapply (eval.c:4998)
==5786==    by 0x4068C52: scm_apply (eval.c:4797)
==5786==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==5786==
==5786== Process terminating with default action of signal 11 (SIGSEGV)
==5786==  Access not within mapped region at address 0x0
==5786==    at 0x82EA775: get_column_description(std::vector<Grob*, 
std::allocator<Grob*> > const&, unsigned, bool) (simple-spacer.cc:345)
==5786==    by 0x82EBD75: get_line_forces(std::vector<Grob*, 
std::allocator<Grob*> > const&, double, double, bool) (simple-spacer.cc:408)
==5786==    by 0x81694E9: Constrained_breaking::initialize() 
(constrained-breaking.cc:351)
==5786==    by 0x816A4BF: 
Constrained_breaking::Constrained_breaking(Paper_score*, 
std::vector<unsigned, std::allocator<unsigned> > const&) 
(constrained-breaking.cc:310)
==5786==    by 0x8264F92: Page_breaking::find_chunks_and_breaks(bool 
(*)(Grob*)) (page-breaking.cc:374)
==5786==    by 0x826694D: Page_breaking::Page_breaking(Paper_book*, bool 
(*)(Grob*)) (page-breaking.cc:106)
==5786==    by 0x8259790: 
Optimal_page_breaking::Optimal_page_breaking(Paper_book*) 
(optimal-page-breaking.cc:28)
==5786==    by 0x8262064: ly_optimal_breaking(scm_unused_struct*) 
(page-breaking-scheme.cc:31)
==5786==    by 0x406AEAE: deval (eval.c:4220)
==5786==    by 0x406C5DF: deval (eval.c:3636)
==5786==    by 0x4068A66: scm_dapply (eval.c:4998)
==5786==    by 0x4068C52: scm_apply (eval.c:4797)
==5786==
==5786== ERROR SUMMARY: 88182 errors from 88 contexts (suppressed: 41 
from 2)
==5786== malloc/free: in use at exit: 90,572,019 bytes in 177,183 blocks.
==5786== malloc/free: 2,600,832 allocs, 2,423,649 frees, 493,393,725 
bytes allocated.
==5786== For counts of detected errors, rerun with: -v
==5786== searching for pointers to 177,183 not-freed blocks.
==5786== checked 90,609,632 bytes.
==5786==
==5786== LEAK SUMMARY:
==5786==    definitely lost: 103,234 bytes in 3,616 blocks.
==5786==      possibly lost: 139,613 bytes in 237 blocks.
==5786==    still reachable: 90,329,172 bytes in 173,330 blocks.
==5786==         suppressed: 0 bytes in 0 blocks.
==5786== Use --leak-check=full to see details of leaked memory.


  /Mats