Re: git status & seg.fault

From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date: Oct 26, 2010, 09:47 UTC
Message-ID: <AANLkTinpUKP8XaLR6d530BW8DuFqUzettuivin88xwuE@mail.gmail.com>
In-Reply-To: <AANLkTimRBmJkXh9LjgL51bwFD=AGBJRc2d1R0g=z0v2t@mail.gmail.com>

On Tue, Oct 26, 2010 at 11:45, Rado Dr. <radodr@gmail.com> wrote:

Show 27 quoted lines

> there is output:
> Reading symbols from /usr/local/bin/git...done.
> (gdb) run
> Starting program: /usr/local/bin/git status
> [Thread debugging using libthread_db enabled]
>
> Program received signal SIGSEGV, Segmentation fault.
> hash_index_entry (istate=<value optimized out>, ce=0xb7c00c90) at name-hash.c:44
> 44              hash = hash_name(ce->name, ce_namelen(ce));
> (gdb) bt full
> #0  hash_index_entry (istate=<value optimized out>, ce=0xb7c00c90) at
> name-hash.c:44
>        pos = <value optimized out>
>        hash = 3198509075
> #1  0x080dde47 in lazy_init_name_hash (istate=0x8194180,
> name=0xbfffb34b "src/FotoPlusServer/build.xml", namelen=28, icase=0)
>    at name-hash.c:59
>        nr = 16273
> #2  index_name_exists (istate=0x8194180, name=0xbfffb34b
> "src/FotoPlusServer/build.xml", namelen=28, icase=0) at
> name-hash.c:108
>        hash = <value optimized out>
>        ce = <value optimized out>
> #3  0x080cf190 in dir_add_name (dir=<value optimized out>, base=<value
> optimized out>, baselen=<value optimized out>, check_only=0,
>    simplify=0x0) at dir.c:449
> No locals.

I haven't tried to grok all that, but you'd get a better backtrace if you compiled git with debug flags, e.g.:

    make CFLAGS="-O0 -ggdb3"

And then did gdb ./git .... Sorry for not mentioning it to begin with.