Re: System hangs when using USB 3.0 HD with on Ubuntu

Luben Tuikov
2010-04-21T12:31:46Z

> > The real problem with the Buffalo drive is that it
> responds with a
> > phase error when it receives an ATA_16 IDENTIFY DEVICE
> command with the
> > Sector Count field set to 0.

The Sector Count field in the ATA PASS-THROUGH (12) or (16) CDB should be set appropriately by the Application Client as the neither the SAT bridge nor the SATA transport will interpret the ATA Command byte. Thus, for IDENTIFY (PACKET) DEVICE the Application Client should set it to 1.

Luben

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