gdb/2009: Segmentation faults on AMD64
Sat Sep 24 10:48:00 GMT 2005

>Number:         2009
>Category:       gdb
>Synopsis:       Segmentation faults on AMD64
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Mon Sep 12 14:38:02 UTC 2005
Debian GNU/Linux unstable
gdb crashes on AMD64:
$ gdb /usr/sbin/cherokee
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This GDB was configured as "x86_64-unknown-linux-gnu"...Using host libthread_db library "/lib/".

(gdb) b main
Segmentation fault

The same is working on i386. It is crashing on Debian's version as well as on the last snapshot.

This is the backtrace:
#0  0x00000000005104e5 in process_die (die=<value optimized out>, cu=0x8a14c0) at dwarf2read.c:8815
#1  0x00000000005120c2 in psymtab_to_symtab_1 (pst=<value optimized out>) at dwarf2read.c:2601
#2  0x0000000000512239 in dwarf2_psymtab_to_symtab (pst=0x89c8d0) at dwarf2read.c:2336
#3  0x00000000004c1bf1 in psymtab_to_symtab (pst=0x89c8d0) at symfile.c:287
#4  0x00000000004bdd56 in lookup_symbol_aux_psymtabs (block_index=0, name=0x7fffffc2f4a0 "main", linkage_name=0x0, domain=VAR_DOMAIN, symtab=0x0)
    at symtab.c:1277
#5  0x00000000004be0bf in lookup_symbol (name=0x7fffffc2f4a0 "main", block=0x7fffffc2f4a0, domain=VAR_DOMAIN, is_a_field_of_this=0x0, symtab=0x0)
    at symtab.c:1119
#6  0x000000000052d0ad in find_imps (symtab=0x0, block=0x0, method=0x7fa102 "main", syms=0x0, nsym=0x7fffffc2f5bc, ndebug=0x7fffffc2f5b8) at objc-lang.c:1437
#7  0x00000000004c91a0 in decode_objc (argptr=0x7fffffc2f8e8, funfirstline=1, file_symtab=0x0, canonical=0x7fffffc2f998, saved_arg=<value optimized out>)
    at linespec.c:1094
#8  0x00000000004ca043 in decode_line_1 (argptr=0x7fffffc2f8e8, funfirstline=1, default_symtab=0x0, default_line=0, canonical=0x7fffffc2f998, 
    not_found_ptr=0x7fffffc2f9ac) at linespec.c:719
#9  0x000000000049c4ce in parse_breakpoint_sals (address=0x7fffffc2f8e8, sals=0x7fffffc2f970, addr_string=0x7fffffc2f998, not_found_ptr=0x7fffffc2f9ac)
    at breakpoint.c:5054
#10 0x00000000004dbde7 in catch_exception (uiout=0x852060, func=0x49c660 <do_captured_parse_breakpoint>, func_args=0x7fffffc2f950, mask=<value optimized out>)
    at exceptions.c:469
#11 0x000000000049c909 in break_command_1 (arg=0x7fa102 "main", flag=0, from_tty=1, pending_bp=0x0) at breakpoint.c:5161
#12 0x000000000044897d in execute_command (p=0x7fa105 "n", from_tty=1) at top.c:450
#13 0x00000000004dfd35 in command_handler (command=0x7fa100 "b main") at event-top.c:508
#14 0x00000000004e0161 in command_line_handler (rl=0x812b95 "n") at event-top.c:793
#15 0x000000000057a7b1 in rl_callback_read_char () at callback.c:123
#16 0x00000000004df589 in rl_callback_read_char_wrapper (client_data=<value optimized out>) at event-top.c:174
#17 0x00000000004de74c in process_event () at event-loop.c:341
#18 0x00000000004df111 in gdb_do_one_event (data=<value optimized out>) at event-loop.c:378
#19 0x00000000004dbfc4 in catch_errors (func=0x4def50 <gdb_do_one_event>, func_args=0x0, errstring=0x5f899f "", mask=<value optimized out>) at exceptions.c:515
#20 0x0000000000489756 in tui_command_loop (data=<value optimized out>) at .././gdb/tui/tui-interp.c:151
#21 0x000000000043e899 in captured_command_loop (data=<value optimized out>) at .././gdb/main.c:92
#22 0x00000000004dbfc4 in catch_errors (func=0x43e890 <captured_command_loop>, func_args=0x0, errstring=0x5f899f "", mask=<value optimized out>)
    at exceptions.c:515
#23 0x000000000043eec6 in captured_main (data=<value optimized out>) at .././gdb/main.c:797
#24 0x00000000004dbfc4 in catch_errors (func=0x43e900 <captured_main>, func_args=0x7fffffc2fe10, errstring=0x5f899f "", mask=<value optimized out>)
    at exceptions.c:515
#25 0x000000000043e8f4 in gdb_main (args=<value optimized out>) at .././gdb/main.c:806
#26 0x000000000043e886 in main (argc=<value optimized out>, argv=<value optimized out>) at gdb.c:35
Just run gdb and try to set a break point.


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