remote debugging sh4 not working

[extern.schaeffersmann@miele.de]

Hi,

I'm trying to remote debug software running on an SH4 
(target=sh4-unknown-linux-gnu) with linux kernel 2.6.27 from a 
i686-pc-cygwin host. I am using gdb version 7.2. When debugging I can 
execute a few step or next commands, but at some point a step or next 
command will not work, but program execution will continue until the next 
breakpoint is reached. If no breakpoint is available, program execution 
will continue, and gdb becomes unresponsive on the host until program 
execution is interrupted. I do not get any errors or warning messages when 
this happens.

Any ideas as to what the reason for this behaviour may be, or where to 
look for support on this?

Sören

Miele & Cie. KG, Sitz Gütersloh, Registergericht Gütersloh - HRA 3268