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SubjectRe: cerberus errors on 2.4.19 (ide dma related)
At 3:26 AM -0400 8/18/02, Ed Sweetman wrote:
>It appears then that there are some DMA issues with the promise
>controller i have with the driver. My swap used to be on the drive
>on the promise controller before which would explain fs corruption
>on both drives (swap cached and such).

FWIW, this is a semi-well-known phenomenon with the IDE controller in
the ServerWorks OSB4 south bridge. As I recall from our testing, a
word appears to be dropped in the DMA transfer to the disk. We found
that both PIO and multi-word DMA worked OK.

What's your chipset?
/Jonathan Lundell.
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