On Iau, 2006-04-13 at 09:55 -0400, Steven Rostedt wrote:
> Hi,
>
> I was wondering if anyone has done some work to directly write and poll
> to the IDE? This is to store data on a panic or oops. So it would need
> to bypass pretty much all the normal Linux mechanisms to do low lever
> IDE work.
I've seen some 2.4 work here. For 2.6 the current focus is kexec of
course
> Obviously, this would be a slow process, but the system has crashed and
> we care more about retrieving information than speed.
>
> Has this already been done and what issues need to be addressed?
The big issue is 'how am I sure the partition data and code I run are
valid post crash'. You don't want the risk of dumping to the wrong part
of the disk and making a crash into a disaster.
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