On Friday 19 October 2007 22:26:23 Sergei Shtylyov wrote:
> Hello.
>
> Martin Rogge wrote:
> >> BTW, can you try adding #define DEBUG to the driver meanwhile?..
> >
> > Yoda said: Try not. Do or do not. There is no try.
> >
> :-)
> >
> > So I did it. To be precise, I #defined both DEBUG and CMD_DEBUG. However,
> > I am not sure the result is conclusive.
> >
> > On a good kernel I get a lot of lines of the type
> >
> > hda: dma_stat: 0x24 irq_stat: 0x44 mask: 0x04
> > hdc: dma_stat: 0x24 irq_stat: 0x5c mask: 0x10
>
> Yeah, this is what's emitted by the dma_end() method which used
> CFR/ARTTIM23 PCI config. regs. to chack the interrupt status.
>
> > and variations thereof. On a broken kernel the middle part changes to
> >
> > hda: dma_stat: 0x24 mrdmode: 0x00 mask: 0x04
>
> Hm... this means that the chip doesn't work as documented in the spec,
> i.e. MRDMODE reg. seems write only, like on older chips. Could you post
> the output of 'lspci -v'?
>
> > Hope this is of any help,
>
> It is of great help. :-)
>
> > cu Martin
>
> MBR, Sergei
Here you go:
root@fred:~# lspci -v
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge
(rev 03)
Subsystem: ASUSTeK Computer Inc. Unknown device 8025
Flags: bus master, medium devsel, latency 64
Memory at e0000000 (32-bit, prefetchable) [size=128M]
Capabilities: [a0] AGP version 1.0
00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge
(rev 03) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Memory behind bridge: da000000-dbdfffff
Prefetchable memory behind bridge: dbf00000-dfffffff
00:04.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
Flags: bus master, medium devsel, latency 0
00:04.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
(prog-if 80 [Master])
Flags: medium devsel
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled]
[size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled]
[size=1]
[virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled]
[size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled]
[size=1]
I/O ports at d800 [disabled] [size=16]
00:04.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
(prog-if 00 [UHCI])
Flags: bus master, medium devsel, latency 32, IRQ 10
I/O ports at d400 [size=32]
00:04.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
Flags: medium devsel, IRQ 9
00:07.0 IDE interface: Silicon Image, Inc. PCI0648 (rev 01) (prog-if 8f
[Master SecP SecO PriP PriO])
Subsystem: ASUSTeK Computer Inc. CUBX motherboard
Flags: bus master, medium devsel, latency 64, IRQ 15
I/O ports at d000 [size=8]
I/O ports at b800 [size=4]
I/O ports at b400 [size=8]
I/O ports at b000 [size=4]
I/O ports at a800 [size=16]
Capabilities: [60] Power Management version 1
00:09.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 08)
Subsystem: Creative Labs CT4832 SBLive! Value
Flags: bus master, medium devsel, latency 32, IRQ 10
I/O ports at a400 [size=32]
Capabilities: [dc] Power Management version 1
00:09.1 Input device controller: Creative Labs SB Live! Game Port (rev 08)
Subsystem: Creative Labs Gameport Joystick
Flags: bus master, medium devsel, latency 32
I/O ports at a000 [size=8]
Capabilities: [dc] Power Management version 1
00:0a.0 FireWire (IEEE 1394): Texas Instruments TSB12LV23 IEEE-1394 Controller
(prog-if 10 [OHCI])
Subsystem: Texas Instruments Unknown device 8010
Flags: bus master, medium devsel, latency 32, IRQ 14
Memory at d9800000 (32-bit, non-prefetchable) [size=2K]
Memory at d9000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 1
00:0d.0 SCSI storage controller: LSI Logic / Symbios Logic 53c810 (rev 23)
Subsystem: LSI Logic / Symbios Logic LSI53C810AE PCI to SCSI I/O
Processor
Flags: bus master, medium devsel, latency 32, IRQ 10
I/O ports at 9800 [size=256]
Memory at d8800000 (32-bit, non-prefetchable) [size=256]
Capabilities: [40] Power Management version 1
00:0e.0 Ethernet controller: D-Link System Inc DGE-528T Gigabit Ethernet
Adapter (rev 10)
Subsystem: D-Link System Inc DGE-528T Gigabit Ethernet Adapter
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 14
I/O ports at 9400 [size=256]
Memory at d8000000 (32-bit, non-prefetchable) [size=256]
[virtual] Expansion ROM at 30000000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
01:00.0 VGA compatible controller: nVidia Corporation NV28 [GeForce4 Ti 4200
AGP 8x] (rev a1) (prog-if 00 [VGA])
Subsystem: Micro-Star International Co., Ltd. Unknown device 8948
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 11
Memory at da000000 (32-bit, non-prefetchable) [size=16M]
Memory at dc000000 (32-bit, prefetchable) [size=64M]
Expansion ROM at dbfe0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [44] AGP version 3.0
cu Martin
-
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
