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SubjectRe: [SATA] sata-via : bug?
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On Mon, Mar 21, 2005 at 04:18:16PM -0600, Jay Roplekar wrote:
> I have a brand new Western Digital sata drive, VIA KT600 based ECS
> motherboard on which I am trying to install various distros (with installers
> based on 2.4.26, 2.6.7, 2.6.8, 2.6.11 etc) all of them fail to detect the HD
> (and bomb out) because sata-via is ignoring it . I have only one disk, I am
> not interested in raid.
>
> lspci which tells me it is VIA 6420 and should be supported based on
> sata-via.c. Following are syslog snippets that show more.
> I would appreciate your help in resolving this. Thanks,
>
> Jay
> ##
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge (prog-if 00
> [Normal decode])
> Flags: bus master, 66Mhz, medium devsel, latency 0
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> I/O behind bridge: 0000a000-0000afff
> Memory behind bridge: e0000000-e1ffffff
> Prefetchable memory behind bridge: d8000000-dfffffff
> Capabilities: [80] Power Management version 2
>
> 00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID
> Controller (rev 80)
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at b000 [size=8]
> I/O ports at b400 [size=4]
> I/O ports at b800 [size=8]
> I/O ports at bc00 [size=4]
> I/O ports at c000 [size=16]
> I/O ports at c400 [size=256]
> Capabilities: [c0] Power Management version 2
>
> ##Dmesg when I connect the disk on channel 1
> libata version 1.10 loaded.
> sata_via version 1.1
> ACPI: PCI interrupt 0000:00:0f.0[B] -> GSI 11 (level, low) -> IRQ 11
> sata_via(0000:00:0f.0): routed to hard irq line 11
> ata1: SATA max UDMA/133 cmd 0xB000 ctl 0xB402 bmdma 0xC000 irq 11
> ata2: SATA max UDMA/133 cmd 0xB800 ctl 0xBC02 bmdma 0xC008 irq 11
> ata1: dev 0 cfg 49:3030 82:0078 83:0078 84:0000 85:0000 86:3fff 87:0010
> 88:000f
> ata1: no dma/lba
> ata1: dev 0 not supported, ignoring
> scsi0 : sata_via
> ata2: no device found (phy stat 00000000)
> scsi1 : sata_via
> ##with disk on second channel following
> ata1: no device found (phy stat 00000000)
> scsi0 : sata_via
> ata2: dev 0 cfg 49:3030 82:0078 83:0078 84:0078 85:0000 86:0000 87:0000
> 88:0000
> ata2: no dma/lba
> ata2: dev 0 not supported, ignoring
> scsi1 : sata_via
> ## I took this disk and sata cable on a different (ICH5 based) motherboard and
> ## knoppix detected the disk ok and associated sda with it.

Any modes in the bios for the SATA ports? Maybe it is in a mode not
supported by linux. I know the ICH5 only wanted to work for me in
native (enhanced?) mode, not compatible (emulating PATA) mode. Maybe
via does something similar. I am puzzles by the UDMA/133 message which
makes no sense for SATA which should be 150 or 300 not 133.

Len Sorensen
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