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    SubjectRe: [PATCH 2.6.27-rc1-git5 2/26] mdb: correct kprobes int3 trap
    From
    > jmerkey@wolfmountaingroup.com wrote:
    >>> Hi Jeffery,
    >>>
    >>> Could you explain what is MDB and how it works?
    >>
    >>
    >> MDB is a kernel debugger that uses the same general architecture
    >> as the kernel debugger in Netware. Unlike the variants of GNU
    >> debuggers, MDB is geared towards folks from the intel/microsoft worlds
    >> who are more accustomed to the old school Intel assembler model and
    >> not the GNU variant that looks like an angry typewriter cursing at
    >> the screen (%#*&!, etc.).
    >
    > Would you have any document about MDB, or project-site url?
    > I think it is hard for anyone to understand what you like to
    > do only from these big patchset.

    If you install the patch and enter the debugger, you will find quite
    excellent documentation **inside** the debugger. start with "help help"
    at the debugger console.

    >
    >> MDB has some features not yet in this first patch, but I will be adding
    >> to
    >> subsequent patches like the ability to create time based traces of
    >> execution of code just like an ice does so you can set trigger
    >> breakpoints
    >> (kdb does not, nor kgdb), then go back ad look what happened in windows
    >> of
    >> time, as well as a much easier interface, smaller size, more flexible
    >> and
    >> pluggable command architecture -- a best of all -- it works and does not
    >> crash every other release or on every third vendors PC architecture like
    >> kdb does all the time.
    >
    > Would you have talked with kdb/kgdb people?
    > Since linux kernel already have kgdb, I think you might better talk
    > about merging your functionality (and stability) to kgdb, or at least
    > talk about what part both debugger can share.
    >
    >> It has been in use by me since 1997, when I wrote it after I left
    >> Novell.
    >> It is mature, hardened, and very stable -- and follows an architecture
    >> prove in the industry for over 20 years on Netware.
    >
    > Out of curiously, is there anyone except for you using MDB?
    >
    > Thank you,


    Network General (now NetScout)
    Several Others I do not have authority to name because of NDA agreements.

    Jeff




    >
    >>> And please check your patch style by using scripts/checkpatch.pl.
    >>> Your cording style seem to be different from linux coding style...
    >>>
    >>> Thank you,
    >>
    >
    >
    > --
    > Masami Hiramatsu
    >
    > Software Engineer
    > Hitachi Computer Products (America) Inc.
    > Software Solutions Division
    >
    > e-mail: mhiramat@redhat.com
    >
    >




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