SATA port multiplier works

[    3.018801] mmc0: SDHCI controller on PCI [0000:00:1b.0] using ADMA 64-bit
[    3.018840] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b)
[    3.023689] mmc1: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit
[    3.023748] sdhci-pci 0000:00:1e.0: SDHCI controller found [8086:5ad0] (rev b)
[    3.023759] sdhci-pci 0000:00:1e.0: enabling device (0000 -> 0002)

[    3.028353] mmc2: SDHCI controller on PCI [0000:00:1e.0] using ADMA 64-bit
[    3.030819] ahci 0000:00:12.0: version 3.0
[    3.031596] SSE version of gcm_enc/dec engaged.
[    3.041329] ahci 0000:00:12.0: AHCI 0001.0301 32 slots 2 ports 6 Gbps 0x3 impl SATA mode
[    3.041333] ahci 0000:00:12.0: flags: 64bit ncq sntf pm clo only pmp pio slum part deso sadm sds apst 
[    3.042486] scsi host0: ahci
[    3.042767] scsi host1: ahci
[    3.042855] ata1: SATA max UDMA/133 abar m2048@0x81335000 port 0x81335100 irq 367
[    3.042858] ata2: SATA max UDMA/133 abar m2048@0x81335000 port 0x81335180 irq 367

[    4.475278] ata1.01: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[    4.475316] ata1.02: hard resetting link
[    4.788954] ata1.02: SATA link down (SStatus 0 SControl 320)
[    4.791084] ata1.00: ATA-8: SAMSUNG HD501LJ, CR100-10, max UDMA7
[    4.791089] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[    4.793272] ata1.00: configured for UDMA/133
[    4.813953] ata1.01: ATA-8: SAMSUNG HD501LJ, CR100-10, max UDMA7
[    4.813959] ata1.01: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
[    4.816116] ata1.01: configured for UDMA/133
[    4.816188] ata1: EH complete
[    4.817002] scsi 0:0:0:0: Direct-Access     ATA      SAMSUNG HD501LJ  0-10 PQ: 0 ANSI: 5
[    4.848243] scsi 0:1:0:0: Direct-Access     ATA      SAMSUNG HD501LJ  0-10 PQ: 0 ANSI: 5
[    4.889464] sd 0:1:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/466 GiB)
[    4.889634] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/466 GiB)
[    4.889646] sd 0:1:0:0: [sdb] Write Protect is off
[    4.889649] sd 0:1:0:0: [sdb] Mode Sense: 00 3a 00 00
[    4.889684] sd 0:1:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.889703] sd 0:0:0:0: [sda] Write Protect is off
[    4.889706] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    4.889739] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.981585]  sdb: sdb1 sdb2
[    4.981859]  sda: sda1 sda2
[    4.982906] sd 0:1:0:0: [sdb] Attached SCSI disk
[    4.983251] sd 0:0:0:0: [sda] Attached SCSI disk