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Old 01-20-2010, 04:18 PM   #1
manojg
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port multiplier problem


Hi,

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.
 
Old 01-21-2010, 03:37 AM   #2
business_kid
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The port multiplier is a known issue.
I did what you might have done, fire up google /linux and searched for sil3726. First hit

http://www.mail-archive.com/linux-id.../msg10155.html
 
Old 10-17-2011, 02:23 PM   #3
pullmandave
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Registered: Oct 2011
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re: port multiplier problem

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?

Thanks
 
Old 10-17-2011, 07:21 PM   #4
jefro
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That stuff is pretty much bottom of the barrel stuff. If Silicon image doesn't create drivers, then no one will.

Look first at devices that have OEM linux support or look at distro's that have native or possible add on drivers.
 
  


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