The configuration on which the filesystem corruption was observed
is a Tyan Tomcat III board + WD 2.2GB drive; that motherboard is
using the 430HX chipset, which pre-dates Ultra-DMA and doesn't
support CRC check.
If it's a WD Caviar of some sort, I see these corruptions too. Every
machine I have ever had the unfortunate luck to have a WD Caviar IDE
disk in, gave me random corruptions with DMA enabled over time.
I think the real solution is a "DMA black list" for certain IDE drive
types and manufacturers.
Later,
David S. Miller
davem@dm.cobaltmicro.com
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