Please find a patch that corrects the problem with hardware
breakpoints not working with kdb. I have noticed that gdb uses
inserted int3 (0xCC) breakpoints (as does kdb) for soft breakpoint
support, so this fix may not affect these programs. It is not
clear why every signal handled is writing a 0 t the DR7 register.
Patch submitted to Keith Owens and Linux kernel.
Jeff
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