Public bug reported:

Karmic alpha6 alternate CD does not see my VT6420 SATA controller.

This is on an Asus A7V880 board with a Via KT880 chipset. Sitting on the
VT6420 controller is a WDC WD1600JD-00G 150GB SATA drive.

Everything else seems to be detected just fine and the controller and
attached disk is also detected on a Jaunty alternate CD but not with
Karmic.

~# cat /proc/version*
Linux version 2.6.31-10-generic (bui...@palmer) (gcc version 4.4.1 (Ubuntu 
4.4.1-4ubuntu1) ) #34-Ubuntu SMP Wed Sep 16 00:23:19 UTC 2009
Ubuntu 2.6.31-10.34-generic
~# 

lspci -vvnn says:

00:0f.0 RAID bus controller [0104]: VIA Technologies, Inc. VIA VT6420 SATA RAID 
Controller [1106:3149] (rev 80)
        Subsystem: ASUSTeK Computer Inc. Device [1043:80ed]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 64
        Interrupt: pin B routed to IRQ 10
        Region 0: I/O ports at efa0 [size=8]
        Region 1: I/O ports at ef9c [size=4]
        Region 2: I/O ports at ef90 [size=8]
        Region 3: I/O ports at ef98 [size=4]
        Region 4: I/O ports at ef80 [size=16]
        Region 5: I/O ports at e800 [size=256]
        Capabilities: [c0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

dmesg on the Karmic alternate CD does not see any SATA:

makh...@collusion:/media/stuff$ grep ata dmesg.karmic 
[    0.708340] pata_via 0000:00:0f.1: version 0.3.4
[    0.708383] pata_via 0000:00:0f.1: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[    0.708617] scsi0 : pata_via
[    0.708836] scsi1 : pata_via
[    0.711375] ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xfc00 irq 14
[    0.711379] ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xfc08 irq 15
[    0.889503] ata1.00: ATAPI: _NEC DVD_RW ND-3500AG, 2.16, max UDMA/33
[    0.889745] ata1.01: ATA-5: IC35L080AVVA07-0, VA4OA50K, max UDMA/100
[    0.889748] ata1.01: 160836480 sectors, multi 16: LBA 
[    0.904320] ata1.00: configured for UDMA/33
[    0.928435] ata1.01: configured for UDMA/100
[    1.104574] ata2.00: ATA-7: Maxtor 5A320J0, RAMB1TV0, max UDMA/133
[    1.104577] ata2.00: 632672208 sectors, multi 16: LBA48 
[    1.104828] ata2.01: ATA-7: Maxtor 5A320J0, RAM51VV0, max UDMA/133
[    1.104832] ata2.01: 632672208 sectors, multi 16: LBA48 
[    1.120419] ata2.00: configured for UDMA/133
[    1.136399] ata2.01: configured for UDMA/133
[    1.173114] Write protecting the kernel read-only data: 1828k
makh...@collusion:/media/stuff$ 

Where as the Jaunty installer does:

makh...@collusion:/media/stuff$ grep ata dmesg.jaunty 
    1.231253] sata_via 0000:00:0f.0: PCI INT B -> GSI 20 (level, low) -> IRQ 20
[    1.231318] sata_via 0000:00:0f.0: routed to hard irq line 10
[    1.231458] scsi0 : sata_via
[    1.231578] scsi1 : sata_via
[    1.231618] ata1: SATA max UDMA/133 cmd 0xefa0 ctl 0xef9c bmdma 0xef80 irq 20
[    1.231621] ata2: SATA max UDMA/133 cmd 0xef90 ctl 0xef98 bmdma 0xef88 irq 20
[    1.432019] ata1: SATA link down 1.5 Gbps (SStatus 0 SControl 300)
[    1.644008] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    1.809678] ata2.00: ATA-6: WDC WD1600JD-00GBB0, 02.05D02, max UDMA/100
[    1.809681] ata2.00: 312581808 sectors, multi 16: LBA48 
[    1.809692] ata2.00: applying bridge limits
[    1.825665] ata2.00: configured for UDMA/100
[    1.862780] pata_via 0000:00:0f.1: version 0.3.3
[    1.862794] pata_via 0000:00:0f.1: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[    1.863014] scsi2 : pata_via
[    1.863083] scsi3 : pata_via
[    1.865514] ata3: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xfc00 irq 14
[    1.865517] ata4: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xfc08 irq 15
[    2.044915] ata3.00: ATAPI: _NEC DVD_RW ND-3500AG, 2.16, max UDMA/33
[    2.045151] ata3.01: ATA-5: IC35L080AVVA07-0, VA4OA50K, max UDMA/100
[    2.045154] ata3.01: 160836480 sectors, multi 16: LBA 
[    2.060348] ata3.00: configured for UDMA/33
[    2.084429] ata3.01: configured for UDMA/100
[    2.256542] ata4.00: ATA-7: Maxtor 5A320J0, RAMB1TV0, max UDMA/133
[    2.256545] ata4.00: 632672208 sectors, multi 16: LBA48 
[    2.256793] ata4.01: ATA-7: Maxtor 5A320J0, RAM51VV0, max UDMA/133
[    2.256795] ata4.01: 632672208 sectors, multi 16: LBA48 
[    2.272397] ata4.00: configured for UDMA/133
[    2.288407] ata4.01: configured for UDMA/133
[    2.353610] Write protecting the kernel read-only data: 1532k
makh...@collusion:/media/stuff$

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

-- 
karmic alpha6 alternate: Failure to detect Via VT6420 SATA controller
https://bugs.launchpad.net/bugs/434827
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