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Thu Jun 23 14:21:52 CEST 2011

gdb can't connect if target error

It might be best to modify such that gdb is allowed to connect such
that it can issue a "mon reset init" command.

Error: Target not halted
Error: auto_probe failed
Error: Connect failed. Consider setting up a gdb-attach event for the target to prepare target for GDB connect, or use 'gdb_memory_map disable'.
Error: attempted 'gdb' connection rejected

That error is printed in server.c when (abstractly) ->new_connection()
fails.  The implementation of that function is in gdb_server.c :

static int gdb_new_connection(struct connection *connection);

The cause seems to be this:

   Connect must fail if the memory map can't be set up correctly.

Maybe this should trigger some retry somewhere?

To switch off memory map[1]:

   gdb_memory_map disable

but of course you can't do this from the gdb side..

Some more info about that particular patch here[2].  So it's probably
not a good idea to start prodding there, but to use the `gdb-attach'
event instead.


[1] http://www.amontec.com/openocd/doc/GDB-and-OpenOCD.html
[2] http://www.mail-archive.com/openocd-development@lists.berlios.de/msg13048.html
[3] entry://20110624-000503



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