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    SubjectDo ICH10+AHCI-driver support port-multiplying on a eSATA port?
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    Dear all,

    I am trying to connect an external 2-disk case (eCube II see
    http://www.one-tech.com/EN/htm_ecube.htm) to an ICH10 skyburg dp45sg
    board via eSATA. As the case requires a port-multiplying sata card, I am
    wondering if ich10+ahci support it?

    At least with 2.6.27.10 I am seeing only one drive. Connecting the case
    via usb gives two (dmesg parts below).

    So is port multiplying not yet available for ahci or not at all or does
    the the ich10 not support it and I should rather try a sil 3132 or so?

    Thanks,
    Soeren

    ata4: exception Emask 0x10 SAct 0x0 SErr 0x4050000 action 0xe frozen
    ata4: irq_stat 0x00000040, connection status changed
    ata4: SError: { PHYRdyChg CommWake DevExch }
    ata4: hard resetting link
    ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
    ata4.00: ATA-7: ST3400832AS, 3.01, max UDMA/133
    ata4.00: 781422768 sectors, multi 0: LBA48 NCQ (depth 31/32)
    ata4.00: configured for UDMA/133
    ata4: EH complete
    scsi 3:0:0:0: Direct-Access ATA ST3400832AS 3.01 PQ: 0 ANSI: 5
    sd 3:0:0:0: [sde] 781422768 512-byte hardware sectors (400088 MB)
    sd 3:0:0:0: [sde] Write Protect is off
    sd 3:0:0:0: [sde] Mode Sense: 00 3a 00 00
    sd 3:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    sd 3:0:0:0: [sde] 781422768 512-byte hardware sectors (400088 MB)
    sd 3:0:0:0: [sde] Write Protect is off
    sd 3:0:0:0: [sde] Mode Sense: 00 3a 00 00
    sd 3:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    sde: unknown partition table
    sd 3:0:0:0: [sde] Attached SCSI disk
    sd 3:0:0:0: Attached scsi generic sg5 type 0
    ata4: exception Emask 0x50 SAct 0x0 SErr 0x4490801 action 0xe frozen
    ata4: irq_stat 0x00400040, connection status changed
    ata4: SError: { RecovData HostInt PHYRdyChg 10B8B Handshk DevExch }
    ata4: hard resetting link
    ata4: SATA link down (SStatus 0 SControl 300)
    ata4: hard resetting link
    ata4: SATA link down (SStatus 0 SControl 300)
    ata4: hard resetting link
    ata4: SATA link down (SStatus 0 SControl 300)
    ata4.00: disabled
    ata4: EH complete
    ata4.00: detaching (SCSI 3:0:0:0)
    sd 3:0:0:0: [sde] Synchronizing SCSI cache
    sd 3:0:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
    sd 3:0:0:0: [sde] Stopping disk
    sd 3:0:0:0: [sde] START_STOP FAILED
    sd 3:0:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
    usb 1-4: new high speed USB device using ehci_hcd and address 6
    usb 1-4: configuration #1 chosen from 1 choice
    scsi7 : SCSI emulation for USB Mass Storage devices
    usb 1-4: New USB device found, idVendor=1a4a, idProduct=1670
    usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    usb 1-4: Product: 5744 FW:1.1516
    usb 1-4: Manufacturer: Silicon Image, Inc
    usb 1-4: SerialNumber: 9999999999999999999
    usb-storage: device found at 6
    usb-storage: waiting for device to settle before scanning
    scsi 7:0:0:0: Direct-Access ST340083 3NF0 PQ: 0 ANSI: 2
    sd 7:0:0:0: [sde] 781422769 512-byte hardware sectors (400088 MB)
    sd 7:0:0:0: [sde] Write Protect is off
    sd 7:0:0:0: [sde] Mode Sense: 1a 0c 00 00
    sd 7:0:0:0: [sde] Assuming drive cache: write through
    sd 7:0:0:0: [sde] 781422769 512-byte hardware sectors (400088 MB)
    sd 7:0:0:0: [sde] Write Protect is off
    sd 7:0:0:0: [sde] Mode Sense: 1a 0c 00 00
    sd 7:0:0:0: [sde] Assuming drive cache: write through
    sde: unknown partition table
    sd 7:0:0:0: [sde] Attached SCSI disk
    sd 7:0:0:0: Attached scsi generic sg5 type 0
    scsi 7:0:0:1: Direct-Access ST340062 5QG0 PQ: 0 ANSI: 2
    sd 7:0:0:1: [sdf] 781422769 512-byte hardware sectors (400088 MB)
    sd 7:0:0:1: [sdf] Write Protect is off
    sd 7:0:0:1: [sdf] Mode Sense: 1a 0c 00 00
    sd 7:0:0:1: [sdf] Assuming drive cache: write through
    sd 7:0:0:1: [sdf] 781422769 512-byte hardware sectors (400088 MB)
    sd 7:0:0:1: [sdf] Write Protect is off
    sd 7:0:0:1: [sdf] Mode Sense: 1a 0c 00 00
    sd 7:0:0:1: [sdf] Assuming drive cache: write through
    sdf: unknown partition table
    sd 7:0:0:1: [sdf] Attached SCSI disk
    sd 7:0:0:1: Attached scsi generic sg6 type 0



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