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I have sil3726 port multiplier and sil3124 host controller. I am using Fedora 12. When I connect a sata disk directly to sil3124 host controller, it works fine. But when I connect the disk to sil3726 port multiplier and then from sil3726 port multiplier to sil3124 host controller then it could not attach the disk. The dmesg gives:
Code:
sata_sil24 0000:03:02.0: version 1.1
sata_sil24 0000:03:02.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
scsi2 : sata_sil24
scsi3 : sata_sil24
scsi4 : sata_sil24
scsi5 : sata_sil24
ata3: SATA max UDMA/100 host m128@0xea009000 port 0xea000000 irq 18
ata4: SATA max UDMA/100 host m128@0xea009000 port 0xea002000 irq 18
ata5: SATA max UDMA/100 host m128@0xea009000 port 0xea004000 irq 18
ata6: SATA max UDMA/100 host m128@0xea009000 port 0xea006000 irq 18
aic7xxx 0000:03:04.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
ata3: SATA link down (SStatus 0 SControl 0)
ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
ata4.00: failed to IDENTIFY (I/O error, err_mask=0x40)
ata4: controller in dubious state, performing PORT_RST
ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
ata4.00: failed to IDENTIFY (I/O error, err_mask=0x40)
ata4: limiting SATA link speed to 1.5 Gbps
scsi6 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec aic7899 Ultra160 SCSI adapter>
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
aic7xxx 0000:03:04.1: PCI INT B -> GSI 18 (level, low) -> IRQ 18
ata4: controller in dubious state, performing PORT_RST
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 10)
ata4.00: failed to IDENTIFY (I/O error, err_mask=0x40)
ata4: controller in dubious state, performing PORT_RST
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 10)
ata4: exception Emask 0x2 SAct 0x0 SErr 0x0 action 0x6 t4
ata4: irq_stat 0x00060002, protocol mismatch
ata4: hard resetting link
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 10)
ata4.00: failed to IDENTIFY (I/O error, err_mask=0x40)
scsi7 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec aic7899 Ultra160 SCSI adapter>
aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCB
ata4: hard resetting link
ata4: controller in dubious state, performing PORT_RST
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 10)
ata4.00: failed to IDENTIFY (I/O error, err_mask=0x40)
ata4: hard resetting link
.................
.................
What could be wrong? I greatly appreciate your help.
Thanks.
I saw the earlier messages about this problem on the Silicon Image 3124/3726 devices. The port multiplier seem not to work under Fedora 14 either. It is really bad when using the SG layer to drive the drives with a lot of overlapped I/O.
So:
1. Anybody know when/if this will be fixed?
2. Any reasonable replacements for the sil3124/sil3726 combination?
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