[Serusers] WARNING:fm_free: free(0) called

[Marian Dumitru]

Hi Andrei,

never tried the combination of DBG_QM_MALLOC with free(0). I saw that 
with F_MALLOC it have no side effects, but looks like it's a particular 
case. Thanks for the clarifications.

Best regards,
Marian

Andrei Pelinescu-Onciul wrote:
> On Nov 17, 2004 at 18:24, Marian Dumitru <marian.dumitru at voice-sistem.ro> wrote:
> 
>>Hi Paul,
>>
>>This warning shouldn't concern. Just let's you know that somewhere in 
>>the code free(0) was called - no side effects :-)
> 
> 
> free(0) should never be called, so this warning _should_ concern you.
> 
> To see  what's happening please try to compile with malloc debugging
>  on (edit Makefile.defs, remove -DF_MALLOC, add -DDBG_QM_MALLOC and
>   recompile everything: make proper; make all).
> Use a higher debug level (warning: it will write a lot of info in the
> log), and wait. Next time a free(0) will be tried ser will write
>  who called it in the log and then it will core dump (abort()).
> 
> Please send me the log lines above:
> BUG: qm_free: bad pointer ...
> (something like "qm_free(0x.., 0x..),  called from ...").
> 
> Andrei
> 

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