Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 14 Apr 2006 08:52:27 -0700 | From | "Randy.Dunlap" <> | Subject | Re: Direct writing to the IDE on panic? |
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On Fri, 14 Apr 2006 10:54:19 -0400 (EDT) Steven Rostedt wrote:
> > On Fri, 14 Apr 2006, Alan Cox wrote: > > > On Gwe, 2006-04-14 at 10:27 -0400, Steven Rostedt wrote: > > > Nice point. But fortunately, this is for a custom application running on > > > an embedded device, such that the data that is on another part of the disk > > > (which btw is an IDE flash) is just the application and the rest of the > > > OS. So, although a bad write to the disk will cause much more work, it > > > wont destroy data that cant be replaced. > > > > If you know the controller as well then you are correct in assuming the > > code to do the dump is very simple indeed providing you stick to PIO, > > especially if you know the set up is already done before crash > > > > Thank you very much for your input Alan! > > Now my strength in IDE is not that strong, hence the reason I was asking > if this was done before. I'd like to look at some examples before I go > ahead and figure it out on my own. I'm sure that I'm going to need to do > a rewrite for our specific configuration, but looking at others work might > make things easier. > > Since this is all under GPL (my customer will give all the source to who > ever they distribute it to), I was hoping to take advantage of free > software here and not completely reinvent the wheel (and destroying it > along the way ;)
Rusty Russell had an IDE block dump patch during the 2.4 timeframe IIRC. I don't know where it could be found now. Maybe in old LKCD tarballs or archives?
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