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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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