On Tue, 16 Jan 2007 17:45:56 -0500 Jeff Garzik <jgarzik@xxxxxxxxx> wrote: > 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. That might explain a few things - the qemu PIIX3 emulation bug possibly and also perhaps the recent NVidia iommu fun. Alan - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
