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SubjectRe: The stability crisis
On Thu, 1 Jul 1999, Chip Salzenberg wrote:
> According to Chuck Lever:
> > having a nice integrated kernel debugger like SGI's kdb would be great
> > to resolve problems like these. the patch to dump an oops to a floppy is
> > also good, but would it be possible to dump it to a file or a small
> > partition on an internal disk instead?
> You'd have to be careful to protect the disk geometry info. Memory
> corruption could change the "dump at this block" variable... :-(

i don't think that's much of a risk, actually. i've used features like
this on mainframes and under Solaris for years, and never had a problem
like this. it's easy to reboot a small program that does this, or have
logic that rereads the VTOC before dumping. even so, you'd have to have a
pretty pathological kernel to experience something like this, IMO.

- Chuck Lever
corporate: <>
personal: <> or <>

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