Re: 2.6.14-mm1 libata pata_via

[Chris Boot]

On 8 Nov 2005, at 3:15, Alan Cox wrote:

> On Llu, 2005-11-07 at 17:32 +0000, Chris Boot wrote:
> > Hi all,
> >
> > Since I've only got a DVD drive on good ol' PATA, I thought I'd try
> > Alan's latest VIA PATA driver for libata, to see where I got. Well,
> > the machine simply doesn't boot, preferring to get stuck after
> > detecting the drive. I've tried with and without
> > libata.atapi_enabled=1 and get the same result in both cases. Here's
> > my log with some SysRq output that might be useful:
>
> Thanks for giving it a try. Can you also give me an lspci -v for
> reference

Relevant parts of lspci:

0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600  
AGP] Host Bridge
        Subsystem: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP]  
Host Bridge
        Flags: bus master, 66Mhz, medium devsel, latency 8
        Memory at e0000000 (32-bit, prefetchable) [size=64M]
        Capabilities: [80] AGP version 3.5
        Capabilities: [c0] Power Management version 2

0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8235 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
        Memory behind bridge: e4000000-e6ffffff
        Prefetchable memory behind bridge: d0000000-dfffffff
        Capabilities: [80] Power Management version 2

[...]

0000:00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420  
SATA RAID Controller (rev 80)
        Subsystem: VIA Technologies, Inc. VIA VT6420 SATA RAID  
Controller
        Flags: bus master, medium devsel, latency 32, IRQ 169
        I/O ports at b800 [size=8]
        I/O ports at bc00 [size=4]
        I/O ports at c000 [size=8]
        I/O ports at c400 [size=4]
        I/O ports at c800 [size=16]
        I/O ports at cc00 [size=256]
        Capabilities: [c0] Power Management version 2

0000:00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/ 
VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) (prog-if 8a  
[Master SecP PriP])
        Subsystem: VIA Technologies, Inc. VT82C586/B/VT82C686/A/B/ 
VT8233/A/C/VT8235 PIPC Bus Master IDE
        Flags: bus master, medium devsel, latency 32, IRQ 169
        I/O ports at d000 [size=16]
        Capabilities: [c0] Power Management version 2

[...]

> > [4294672.373000] ACPI: PCI Interrupt 0000:00:0f.1[A] -> Link [ALKA] -
> > > GSI 20 (level, low) -> IRQ 177
> > [4294672.411000] PCI: Via IRQ fixup for 0000:00:0f.1, from 255 to 1
>
> Thats suspicious in itself. I take it the VIA drivers/ide driver works
> fine and reports IRQ 1 however ?

[4294669.230000] Uniform Multi-Platform E-IDE driver Revision:  
7.00alpha2
[4294669.263000] ide: Assuming 33MHz system bus speed for PIO modes;  
override with idebus=xx
[4294669.298000] VP_IDE: IDE controller at PCI slot 0000:00:0f.1
[4294669.331000] ACPI: PCI Interrupt Link [ALKA] BIOS reported IRQ  
11, using IRQ 20
[4294669.366000] ACPI: PCI Interrupt Link [ALKA] enabled at IRQ 20
[4294669.399000] ACPI: PCI Interrupt 0000:00:0f.1[A] -> Link [ALKA] - 
> GSI 20 (level, low) -> IRQ 169
[4294669.436000] PCI: Via IRQ fixup for 0000:00:0f.1, from 255 to 9
[4294669.469000] VP_IDE: chipset revision 6
[4294669.500000] VP_IDE: not 100% native mode: will probe irqs later
[4294669.534000] VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller  
on pci0000:00:0f.1
[4294669.570000]     ide0: BM-DMA at 0xd000-0xd007, BIOS settings:  
hda:DMA, hdb:pio
[4294669.606000]     ide1: BM-DMA at 0xd008-0xd00f, BIOS settings:  
hdc:pio, hdd:pio
[4294669.642000] Probing IDE interface ide0...
[4294669.688000] input: AT Translated Set 2 keyboard as /class/input/ 
input0
[4294669.725000] atkbd.c: Spurious ACK on isa0060/serio0. Some  
program, like XFree86, might be trying access hardware directly.
[4294669.944000] input: AT Translated Set 2 keyboard as /class/input/ 
input1
[4294670.490000] hda: PHILIPS PBDV1640P, ATAPI CD/DVD-ROM drive
[4294671.137000] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[4294671.171000] Probing IDE interface ide1...
[4294671.690000] Probing IDE interface ide1...
[4294672.210000] hda: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 2048kB  
Cache, UDMA(33)
[4294672.247000] Uniform CD-ROM driver Revision: 3.20

> > [4294672.446000] ata5: PATA max UDMA/100 cmd 0x1F0 ctl 0x3F6 bmdma
> > 0xD000 irq 14

HTH,
Chris

--
Chris Boot
bootc@xxxxxxxxx
http://www.bootc.net/

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