Re: 2.4.0-test2-ac2 FAT oops

From: Mark Hahn (hahn@coffee.psychology.mcmaster.ca)
Date: Sun Jul 02 2000 - 12:05:32 EST


> 2.4.0-test3-pre2 + ide.2.4.0-t3-2.0629
>
> Jul 1 15:34:07 vortex kernel: hdf: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> Jul 1 15:34:07 vortex kernel: hdf: dma_intr: error=0x84 { DriveStatusError BadCRC }
> Jul 1 15:34:07 vortex kernel: hdf: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> Jul 1 15:34:07 vortex kernel: hdf: dma_intr: error=0x84 { DriveStatusError BadCRC }

BadCRC is just a report that your drive/controller believe your ide cable
is bogus. nothing more or less. it's not harmful, since Linux retries
such failed transactions. and the solution is just to fix the cabling
(ie, <=18", both ends plugged in, and use the new 80-conductor cable for
udma66 (doesn't hurt on lower modes, either))

it seems like BadCRC reports most often result from people running udma66
with normal 40-conductor cables. this can happen when a driver update
adds udma66 functionality...

regards, mark hahn.

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