>>> Tejun Heo <htejun@xxxxxxxxx> 05.02.08 13:21 >>> >Jan Beulich wrote: >>> Yes, we can be more smart if necessary. I don't know. The hardware is >>> clearly violating the spec which requires those two values to agree. >> >> So are you saying the ESB2 spec is violating a higher level spec? I know >> almost nothing about AHCI, so please forgive that question... > >n_ports and PI should agree with each other. That's what the ahci spec >requires. If ESB2 spec has different opinion about n_ports, it's in >violation of AHCI spec but I don't think it explicitly state such >things, does it? It does, in the description for bits 4:0 of the host capabilities register: "Number of Ports (NPS) – RO. Hardwired to 5h to indicate support for 6 ports. Note that the number of ports indicated in this field may be more than the number of ports indicated in the PI (ABAR + 0Ch) register." >I'd like to see more output including leading controller detection but >yeah, it seems there's no silicon implemented for the last port. The >SStatus value 4 indicates that PHY is offline which usually happens when >the PHY is turned off from SControl. Hmm... weird. How many ports does >the machine actually have? I agree we'll need to adjust PI handling for >the controller. <7>libata version 2.00 loaded. <7>ahci 0000:00:1f.2: version 2.0 <6>ACPI: PCI Interrupt 0000:00:1f.2[C] -> GSI 20 (level, low) -> IRQ 66 <7>PCI: Setting latency timer of device 0000:00:1f.2 to 64 <6>ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 6 ports 3 Gbps 0x1f impl SATA mode <6>ahci 0000:00:1f.2: flags: 64bit ncq pm led slum part <6>ata1: SATA max UDMA/133 cmd 0xF882E100 ctl 0x0 bmdma 0x0 irq 66 <6>ata2: SATA max UDMA/133 cmd 0xF882E180 ctl 0x0 bmdma 0x0 irq 66 <6>ata3: SATA max UDMA/133 cmd 0xF882E200 ctl 0x0 bmdma 0x0 irq 66 <6>ata4: SATA max UDMA/133 cmd 0xF882E280 ctl 0x0 bmdma 0x0 irq 66 <6>ata5: SATA max UDMA/133 cmd 0xF882E300 ctl 0x0 bmdma 0x0 irq 66 <6>ata6: SATA max UDMA/133 cmd 0xF882E380 ctl 0x0 bmdma 0x0 irq 66 <6>scsi0 : ahci <6>ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) <6>ata1.00: ATA-7, max UDMA/133, 312500000 sectors: LBA48 NCQ (depth 31/32) <6>ata1.00: configured for UDMA/133 <6>scsi1 : ahci <6>ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) <6>ata2.00: ATA-7, max UDMA/133, 312500000 sectors: LBA48 NCQ (depth 31/32) <6>ata2.00: configured for UDMA/133 <6>scsi2 : ahci <6>ata3: SATA link down (SStatus 0 SControl 300) <6>scsi3 : ahci <6>ata4: SATA link down (SStatus 0 SControl 300) <6>scsi4 : ahci <6>ata5: SATA link down (SStatus 4 SControl 300) <6>scsi5 : ahci <6>ata6: SATA link down (SStatus 0 SControl 0) <5> Vendor: ATA Model: ST3160815AS Rev: 3.AD <5> Type: Direct-Access ANSI SCSI revision: 05 <5>SCSI device sda: 312500000 512-byte hdwr sectors (160000 MB) <5>sda: Write Protect is off <7>sda: Mode Sense: 00 3a 00 00 <5>SCSI device sda: drive cache: write back <5>SCSI device sda: 312500000 512-byte hdwr sectors (160000 MB) <5>sda: Write Protect is off <7>sda: Mode Sense: 00 3a 00 00 <5>SCSI device sda: drive cache: write back <6> sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 sda9 sda10 > <5>sd 0:0:0:0: Attached scsi disk sda <5> Vendor: ATA Model: ST3160815AS Rev: 3.AD <5> Type: Direct-Access ANSI SCSI revision: 05 <5>sd 0:0:0:0: Attached scsi generic sg0 type 0 <5>SCSI device sdb: 312500000 512-byte hdwr sectors (160000 MB) <5>sdb: Write Protect is off <7>sdb: Mode Sense: 00 3a 00 00 <5>SCSI device sdb: drive cache: write back <5>SCSI device sdb: 312500000 512-byte hdwr sectors (160000 MB) <5>sdb: Write Protect is off <7>sdb: Mode Sense: 00 3a 00 00 <5>SCSI device sdb: drive cache: write back <6> sdb: sdb1 <5>sd 1:0:0:0: Attached scsi disk sdb <5>sd 1:0:0:0: Attached scsi generic sg1 type 0 Jan - 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
