glasgow_jtag_gdb_timeouts

(gdb) target remote :3333
Remote debugging using :3333
Ignoring packet error, continuing...
warning: unrecognized item "timeout" in "qSupported" response
Ignoring packet error, continuing...
Remote replied unexpectedly to 'vMustReplyEmpty': timeout
(gdb) target remote :3333
Remote debugging using :3333
Ignoring packet error, continuing...
warning: unrecognized item "timeout" in "qSupported" response
Remote replied unexpectedly to 'vMustReplyEmpty': PacketSize=4000;qXfer:memory-map:read+;qXfer:features:read-;qXfer:threads:read+;QStartNoAckMode+;vContSupported+
(gdb) target remote :3333
Remote debugging using :3333
0x40012b60 in ?? ()
(gdb) bt
#0  0x40012b60 in ?? ()
#1  0x40012b82 in ?? ()
#2  0x4004c497 in ?? ()
#3  0x4004c2c3 in ?? ()
#4  0x4004c1f5 in ?? ()
#5  0x40011374 in ?? ()
#6  0x4000f78b in ?? ()
#7  0x400072a8 in ?? ()