Module Name:	syssrc
Committed By:	christos
Date:		Sun Nov 26 04:59:19 UTC 2000

Modified Files:
	syssrc/sys/dev/pci: pciide.c

Log Message:
Don't try to use ultra-dma on sis chips with revision 0xd0. It loses
immediately with a lost interrupt on udma mode 2, downgrades to mode 1
at which point it silently corrupts data on high disk activity. This
happens on two out of 3 machines I own that exhibit high disk activity.


To generate a diff of this commit:
cvs rdiff -r1.93 -r1.94 syssrc/sys/dev/pci/pciide.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.