When you are registering and unregistering events there is some confusion
about how the memory blocks for it are handled. Look in there for a call to
gds_free.

Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com

----- Original Message -----
From: "Luciano Sparacino" <lsparacino@...>
To: <IBObjects@yahoogroups.com>
Sent: Monday, December 10, 2001 7:33 AM
Subject: [IBO] When does IBO attempt to free a memmory block?


> I asked about an error that i found in my IB log file on an IB support
> forum:
>
> gds__free: attempt to release bad block
>
> this error is registered about 10 times per second and the ib server turns
> really slow.
>
> On that forum, Claudio Valderrama told me that either the engine has
> problems with its memory blocks and the internal
> allocation routines or IBO is requesting it to free a block of memory
whose
> address is invalid (it's not in the list of allocated blocks).
>
> So, i'd like to know when does IBO request to free a block of memmory on
the
> server? and why could this error be? (probably a not well formed query
that
> makes the server hang?)
>
> Thanks
>