MBR zapped when panicking?

[Kris Kennaway]

On Tue, Oct 21, 2003 at 08:17:24PM +0200, Dimitry Andric wrote:
> Hi,
> 
> Today I had a -CURRENT machine panic on me with a page fault, and
> something happened that I have seen before: the machine refused to
> come up afterwards. Closer inspection revealed that the MBR on the
> boot disk was totally zapped, filled with seemingly random characters.

This is a known bug in the ATA driver.  Tor Egge provided a workaround
patch here a few weeks ago.  I didn't try it because I can't afford to
trash my disks like that again.

Kris
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