kdb patch for 2.6.24 and ARMv7

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On Fri, Jun 12, 2009 at 06:00:46PM +0900, Basavaraj Dengi wrote:
> Hi,
> After applying below patches
> kdb-v4.4-2.6.24-common-2.bz2
> kdb-v4.3-2.4.20-xscale-1.bz2

Are you really applying these two different patches?
I really don't know what major changes happened between v4.3 and 4.4,
but I'm not really shocked that things don't work.

You might be on your own to get this working again.
Jason Wessel has been working on getting KB to function as a front-end
for KGDB.  He posted patches to LKML about a month ago.  They might be
of interest to you.


> and after bit of struggle I was able to enter the kdb prompt setting
> kdb=early flag on a OMAP3430 based target.
> Now I am trying other entry methods
> a) Automatic entry when exception, divide by zero and NULL pointer
> derefernce happens
>     For NULL pointer derefernce, I am calling the API kdb inside die() in
> file arch/arm/kernel/traps.c
>     But kdb behaviour here is not the same as in case of kdb=early entry;
> For ex: id command does not work ..etc
>     Please  let me know is this a correct way to proceed?
> b) Through key press <esc> KDB.
>    I am not using the serial console driver; instead I am directly
> writing/reading from the low-level uart driver.
>    In this case how will the KDB come to know about the keypress.
>    As a workaround, I have an executable which will call a driver ioctl and
> inside the driver ioctl I am calling the API kdb()
>    Here also I am facing the same behaviour
>    [Note if I use the macro KDB_ENTER instead kdb() I get a bad memory
> address error in kdb_getarea]
> Any clarifications as to whats missing/wrong will be very helpful
> Regards
> Basavaraj
> On Thu, Jun 4, 2009 at 3:08 PM, Basavaraj Dengi <basavarajdengi at gmail.com>wrote:
> > Hi
> >
> > The kdb patch for xscal processor is for 2.4.20 kernel.
> > Is there any latest patch available?
> > I dont see any 2.6.x patches for ARMv7 on the website
> > ftp://oss.sgi.com/projects/kdb/download
> >
> > and also on google.
> >
> > I will be very thankful for any links /suggestions
> >
> > Regards
> > Basavaraj
> >

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