[Xen-devel] can't access SATA drives on a VIA board

[Peter Berg <xen@xxxxxxxx>]

Hi,

The dom0 kernel hangs during the boot when accessing my SATA drives.
This seems to be a problem with the PCI IRQ routing.

The machine has a VIA K8 board with VIA SATA and PROMISE SATA.
The drivers are connected to the VIA interface.

These are the messages just before the kernel hangs:

PCI: Obtained IRQ 17 for device 0000:00:0d.0
ata1: SATA max UDMA/133 cmd 0xF180E200 ctl 0xF180E238 bmdma 0x0 irq 17
ata2: SATA max UDMA/133 cmd 0xF180E280 ctl 0xF180E2B8 bmdma 0x0 irq 17
ata1: no device found (phy stat 00000000)
scsi0 : sata_promise
ata2: no device found (phy stat 00000000)
scsi1 : sata_promise
PCI: Obtained IRQ 17 for device 0000:00:0f.0
sata_via(0000:00:0f.0): routed to hard irq line 1
ata3: SATA max UDMA/133 cmd 0xDC00 ctl 0xD802 bmdma 0xCC00 irq 17
ata4: SATA max UDMA/133 cmd 0xD400 ctl 0xD002 bmdma 0xCC08 irq 17
ata3: dev 0 ATA, max UDMA7, 312581808 sectors: lba48


These are the corresponding messages when booting a standard Debian 2.6.10 
kernel:

SCSI subsystem initialized
libata version 1.10 loaded.
sata_promise version 1.01
ACPI: PCI interrupt 0000:00:0d.0[A] -> GSI 17 (level, low) -> IRQ 169
ata1: SATA max UDMA/133 cmd 0xF884C200 ctl 0xF884C238 bmdma 0x0 irq 169
ata2: SATA max UDMA/133 cmd 0xF884C280 ctl 0xF884C2B8 bmdma 0x0 irq 169
ata1: no device found (phy stat 00000000)
scsi0 : sata_promise
ata2: no device found (phy stat 00000000)
scsi1 : sata_promise
elevator: using anticipatory as default io scheduler
sata_via version 1.0
ACPI: PCI interrupt 0000:00:0f.0[B] -> GSI 20 (level, low) -> IRQ 177
sata_via(0000:00:0f.0): routed to hard irq line 10
ata3: SATA max UDMA/133 cmd 0xDC00 ctl 0xD802 bmdma 0xCC00 irq 177
ata4: SATA max UDMA/133 cmd 0xD400 ctl 0xD002 bmdma 0xCC08 irq 177
ata3: dev 0 cfg 49:2f00 82:346b 83:7f01 84:4003 85:3c69 86:3e01 87:4003 
88:80ff
ata3: dev 0 ATA, max UDMA7, 312581808 sectors: lba48
ata3: dev 0 configured for UDMA/133
scsi2 : sata_via
ata4: dev 0 cfg 49:2f00 82:346b 83:7f01 84:4003 85:3c69 86:3e01 87:4003 
88:80ff
ata4: dev 0 ATA, max UDMA7, 312581808 sectors: lba48
ata4: dev 0 configured for UDMA/133
scsi3 : sata_via
  Vendor: ATA       Model: SAMSUNG SP1614C   Rev: SW10
  Type:   Direct-Access                      ANSI SCSI revision: 05
Attached scsi generic sg0 at scsi2, channel 0, id 0, lun 0,  type 0
  Vendor: ATA       Model: SAMSUNG SP1614C   Rev: SW10
  Type:   Direct-Access                      ANSI SCSI revision: 05
Attached scsi generic sg1 at scsi3, channel 0, id 0, lun 0,  type 0


Cheers,
Peter


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