Comment 6 for bug 209454

Here's the relevant output of dmesg | more

ata1: SATA max UMDA/13 abar m12@0xfe0f00 port 0xfe0f10 irq 58
ata2: SATA max UMDA/13 abar m12@0xfe0f00 port 0xfe0f10 irq 58
ata3: SATA max UMDA/13 abar m12@0xfe0f00 port 0xfe0f20 irq 58
ata4: SATA max UMDA/13 abar m12@0xfe0f00 port 0xfe0f20 irq 58
ata1: SATA link up 3.0 Gbps (SStatus 13 SControl 30)
ata1.0: qc timeout (cmd 0xec)
ata1.0: failed to identify (I/O error, errmask=0x4)
ata1: failed to recover some devies, retrying in 5secs
ata1: SATA link up 3.0 Gbps (SStatus 13 SControl 30)
ata1.0: qc timeout (cmd 0xec)
ata1.0: failed to identify (I/O error, errmask=0x4)
ata1: failed to recover some devies, retrying in 5secs
ata1: SATA link up 3.0 Gbps (SStatus 13 SControl 30)
ata1.0: qc timeout (cmd 0xec)
ata1.0: failed to identify (I/O error, errmask=0x4)
ata1: failed to recover some devies, retrying in 5secs
ata1: SATA link up 3.0 Gbps (SStatus 13 SControl 30)
ata2: SATA link up 1.5 Gbps (SStatus 13 SControl 30)
ata2.0: qc timeout (cmd 0xec)
ata2.0: failed to identify (I/O error, errmask=0x4)
ata2: failed to recover some devies, retrying in 5secs
ata2: SATA link up 1.5 Gbps (SStatus 13 SControl 30)
ata2.0: qc timeout (cmd 0xec)
ata2.0: failed to identify (I/O error, errmask=0x4)
ata2: failed to recover some devies, retrying in 5secs
ata2: SATA link up 1.5 Gbps (SStatus 13 SControl 30)
ata2.0: qc timeout (cmd 0xec)
ata2.0: failed to identify (I/O error, errmask=0x4)
ata2: failed to recover some devies, retrying in 5secs
ata2: SATA link up 1.5 Gbps (SStatus 13 SControl 30) ================================30
ata3: SATA link down (SStatus 0 SControl 30)
ata4: SATA link down (SStatus 0 SControl 30)
ACPI: PCI Interrupt 00:0:0.[A] -> GSI 1 (level, low) -> IRQ 1
ahci 00:0:0.0: AHCI 00.00 3 slots 2 ports 3 Gbps 0x3 imp1 SATA mode
ahci 00:0:0.0: flags: 6bit ncq pm led clo pmp pio slum part
PCI: Setting latency timer of device 00:0:0.0 to 6
scsi4: ahci
scsi5: ahci
ata5: SATA max UMDA/13 abar m89@0xfdbfe00 port 0xfdbfe10 irq 1
ata6: SATA max UMDA/13 abar m89@0xfdbfe00 port 0xfdbfe10 irq 1
ata5: SATA link down (SStatus 0 SControl 30)
ata6: SATA link down (SStatus 0 SControl 30)
ACPI: PCI Interrupt 00:1:0.[A] -> GSI 1 (level, low) -> IRQ 1