Berck E. Nash wrote: > Jeff Garzik wrote: >> Once the blame has been squared fixed upon me :) you can use git-bisect >> to locate the precise change that broke your setup. > > Okay, here's the problem: > > 268fe6f9f15551be9abedd44a237392675d529d5 is first bad commit > commit 268fe6f9f15551be9abedd44a237392675d529d5 > Author: Jeff Garzik > Date: Fri Sep 21 07:09:36 2007 -0400 > > [libata] SCSI: simple TEST UNIT READY simulation > > It's trivial to ping the device, and that's a much more sane behavior > than no-op. > > Signed-off-by: Jeff Garzik > > :040000 040000 44d34cdad073bd623545b8239aca9a113652c6d0 > df6d21f7ce56a4e796f8f856c1f647b0395ab4df M drivers Does the attached patch change behavior at all? You should be able to apply it on top of libata-dev.git#upstream or -mm. If there are still problems, an updated dmesg (w/ the attached patch) and output from enabling ATA_DEBUG (include/linux/libata.h) would be very helpful. Thanks! Jeff