Re: MySQL related messages

Any idea what this means?:

==56082== 16,528 bytes in 1 blocks are possibly lost in loss record 409 of
409
==56082==    at 0x483B7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==56082==    by 0x49D76F7: my_raw_malloc (my_malloc.cc:199)
==56082==    by 0x49D76F7: my_malloc(unsigned int, unsigned long, int)
(my_malloc.cc:81)
==56082==    by 0x49E6199: allocate (malloc_allocator.h:98)
==56082==    by 0x49E6199: allocate (alloc_traits.h:306)
==56082==    by 0x49E6199: _M_allocate (stl_vector.h:343)
==56082==    by 0x49E6199: _M_default_append (vector.tcc:635)
==56082==    by 0x49E6199: resize (stl_vector.h:937)
==56082==    by 0x49E6199: file_info::RegisterFilename(int, char const*,
file_info::OpenType) (my_file.cc:196)
==56082==    by 0x49D7CBB: my_open(char const*, int, int) (my_open.cc:84)
==56082==    by 0x49D0954: inline_mysql_file_open (mysql_file.h:993)
==56082==    by 0x49D0954: my_read_charset_file(MY_CHARSET_LOADER*, char
const*, int) (charset.cc:378)
==56082==    by 0x49D15E1: init_available_charsets() (charset.cc:448)
==56082==    by 0x55C647E: __pthread_once_slow (pthread_once.c:116)
==56082==    by 0x49D107D: __gthread_once (gthr-default.h:700)
==56082==    by 0x49D107D: void std::call_once<void (&)()>(std::once_flag&,
void (&)()) (mutex:683)
==56082==    by 0x49D2022: my_charset_get_by_name(MY_CHARSET_LOADER*, char
const*, unsigned int, int) (charset.cc:652)
==56082==    by 0x49D210E: get_charset_by_csname(char const*, unsigned int,
int) (charset.cc:670)
==56082==    by 0x498021B: mysql_set_character_set_with_default_collation
(client.cc:3688)
==56082==    by 0x498021B: mysql_init_character_set(MYSQL*) (client.cc:3719)
==56082==    by 0x498041A: csm_parse_handshake(mysql_async_connect*)
(client.cc:6287)
==56082==

James Read

On Fri, Jun 5, 2020 at 3:38 PM Alexander Brock <[email protected]>
wrote:

> On 6/5/20 3:28 PM, James Read wrote:
> > I'm guessing I'm going to have to compile MySQL with -g flag in order to
> > decipher this stuff?
>
> Some distributions have extra packages with debug symbols, if you
> install them you should get decent messages.
>
> Best Regards,
> Alexander
>
>
> _______________________________________________
> Valgrind-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/valgrind-users
>

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