On Tue, Nov 01, 2005 at 04:30:26PM -0500, Alan Stern wrote:
> I'm trying to debug a rather difficult data-overwriting problem, and it
> would be a big help to be able to use a data breakpoint.
>
> Is there any easy way of doing this? I'd prefer not to use a kernel
> debugger, because the address of the breakpoint and the time when it's
> needed are determined dynamically.
>
> Does anybody have a little lightweight procedure for setting one of the
> x86's debug registers to point to a particular location in kernel memory
> space? I don't care if the whole system crashes when the debug exception
> occurs, just so long as I can get a stack trace and find out where the
> overwrite comes from.
>
>
Hi Alan
Probably watchpoint probes could be useful for this..
http://www.ussg.iu.edu/hypermail/linux/kernel/0508.3/1407.html
http://sourceware.org/ml/systemtap/2005-q3/msg00097.html
Thanks
Maneesh
--
Maneesh Soni
Linux Technology Center,
IBM India Software Labs,
Bangalore, India
email: [email protected]
Phone: 91-80-25044990
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
