RE: [Valgrind-users] Assertion failure at vg_symtab2.c

[Scott M. <sm...@no...>]

Hi,
 
Does anyone have any ideas?
 
I found this bug fix in the 2.4.0 announcement email:
92528 vg_symtab2.c:170 (addLoc): Assertion `loc->size > 0' failed

I'm experiencing a failure of a different assertion in the same file.. could
this be a clue at all?

Thx for any pointers you can give..

Scott.

-----Original Message-----
From: val...@li...
[mailto:val...@li...] On Behalf Of Mills,
Scott [CAR:2V62:EXCH]
Sent: Wednesday, March 30, 2005 1:28 PM
To: val...@li...
Subject: [Valgrind-users] Assertion failure at vg_symtab2.c



Hi all, 

I'm running Valgrind 2.4.0 - Memcheck (liking the new version so far!) but
getting an assertion error on a certain process.. a snippet from the log is
below.

Any clue what the cause could be? First time I've seen an assertion error! 

Thx, 
Scott. 


==6917== Reading syms from <myprocessname>.so.1.0.0 (0x1BEAA000) 
==6917== badly formed extended line op encountered! 

==6917== badly formed extended line op encountered! 

==6917== badly formed extended line op encountered! 

==6917== badly formed extended line op encountered! 


valgrind: vg_symtab2.c:248 (vgPlain_addLineInfo): Assertion `lineno >= 0'
failed. 
==6917==    at 0xB0033A87: vgPlain_skin_assert_fail (vg_mylibc.c:1170) 
==6917==    by 0xB0033A86: assert_fail (vg_mylibc.c:1166) 
==6917==    by 0xB0033AF4: vgPlain_core_assert_fail (vg_mylibc.c:1177) 
==6917==    by 0xB003941F: vgPlain_addLineInfo (vg_symtab2.c:189) 
==6917==    by 0xB003FB19: vgPlain_read_debuginfo_dwarf2 (vg_dwarf.c:422) 
==6917==    by 0xB003BB85: vg_read_lib_symbols (vg_symtab2.c:1490) 
==6917==    by 0xB003BDAC: vgPlain_read_seg_symbols (vg_symtab2.c:1564) 
==6917==    by 0xB0030483: vgPlain_map_file_segment (vg_memory.c:408) 
==6917==    by 0xB00305F8: vgPlain_map_fd_segment (vg_memory.c:465) 
==6917==    by 0xB0044932: mmap_segment (vg_syscalls.c:192) 
==6917==    by 0xB0055B71: vgArch_gen_old_mmap_before (vg_syscalls.c:4417) 
==6917==    by 0xB005DFB7: vgPlain_client_syscall (vg_syscalls.c:6234) 
==6917==    by 0xB0015E68: handle_syscall (vg_scheduler.c:649) 
==6917==    by 0xB001618B: vgPlain_scheduler (vg_scheduler.c:750) 
==6917==    by 0xB008F0E5: vgArch_thread_wrapper (core_os.c:69)