On Wednesday 12 July 2006 03:05, Miao Qingjun wrote: > Hi, > > I have several problems about uml-2.6.17 and gdb debugging. > > I start "gdb uml", "b sys_init_module", then "run", > but gdb is not break at sys_init_module() when I insmod LKM? > Why? How can I do it? Sometimes breakpoints don't work in GDB :-(. An hack was posted: it was based on recompiling after adding code calling pause() if a variable was set and setting the variable only from the debugger; however some special care was needed to avoid gcc recognizing nobody set the variable and optimizing the check out. > When I type control-c in gdb, the virtual console xterm is also closed, This doesn't happen here for what I remember, I used both Ctrl-C and kill -INT <main pid> to get back the control in the console. > I just want to enter gdb command line to single step kernel code, how can I > do it?
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