Scott Long ed3392975b Fixing some glaring problems with aac_disk_dump().
- Mark that it cannot handle greater than 4GB of RAM at this time.  Fixing
   that will come later.  Fail any attempts to dump above thati limit.
 - If a call to aac_disk_dump() needs to be split into multiple i/o's,
   increment the virtual offset after each i/o instead of just dumping the
   same offset over and over again.
 - Bail out if bus_dmamap_load() returns an error.  Error recovery is likely
   not possible.
2003-06-19 01:49:04 +00:00
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