On Tue, Sep 22, 2009 at 3:32 AM, Loic Pefferkorn <loic-kernelnewbies@xxxxxxxxxxxxx> wrote: > Hello, > > Thanks to your clues, I have found where the problem came from, it was the > kernel option CONFIG_DEBUG_RODATA, which set write protection on some > read-only kernel pages. > > Obviously, KDB cannot insert its trapping instruction. Great!!! :) Oh and please don't do top posting next time :) NB: thanks for pointing me that kernel config, never realized that before. I really just follow simple logic and that was based on assumption the kdb itself doesn't have bug in breakpoint insertion -- regards, Mulyadi Santosa Freelance Linux trainer blog: the-hydra.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ