Hi We're running 2.6.18 on an inhouse devloped embeded board. CPU is a Freescale 8280, and we have a SIL3124 controller talking to a Hitachi 320GB (Hitachi HDT725032VLA360) disk. Once in a while we get the following error while formatiing the drive: ata2: illegal qc_active transition (00000002->00000008) ata2.00: exception Emask 0x2 SAct 0x2 SErr 0x0 action 0x2 frozen ata2.00: tag 1 cmd 0x61 Emask 0x2 stat 0x50 err 0x0 (HSM violation) ata2: soft resetting port ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata2.00: failed to IDENTIFY (INIT_DEV_PARAMS failed, err_mask=0x80) ata2.00: revalidation failed (errno=-5) ata2: failed to recover some devices, retrying in 5 secs ata2: hard resetting port ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata2.00: configured for UDMA/100 ata2: EH complete Is this hardware (cabling, supply voltage) or software related? - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html