Alan wrote:
The other oddity I've been seeing is that I am getting zero length commands,
such as TEST_UNIT_READY with a dma_dir of DMA_FROM_DEVICE. Shouldn't this be
DMA_NONE? I'm still tracking this down.
I was looking at a PATA trace that was looking the same 2 days ago and
couldn't figure what was going on.
Tejun recently updated the CDB length areas of the code. I bet it's
either a bug somewhere in there, or the SCSI layer isn't passing us
proper command lengths in a case or two.
Additional traces (starting with SCSI command, before it hits libata)
would be helpful.
Jeff
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