Re: 2.6.16-rc1-mm2 pata driver confusion

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Hi all,

Randy.Dunlap wrote:
> On Fri, 3 Feb 2006, Ed Sweetman wrote:
> 
> 
> 
> Agreeing with your paragraph above.  I tested my SATA ATAPI CD/DVD
> drive with libata/PATA (ata_piix controller driver) and could not
> see the CD/DVD drive.
> 

Maybe it would be of general interest if somebody could post
how it is _supposed_ to work? Is there a conflict between
ata_piix and piix/mpiix? A short summary could be very helpfull
to identify problems, and to reduce confusion.

I got the impression that the current implementation seems to
be very fragile wrt. the kernel configuration, the module load
sequence, and the attributes to libata.


Hardware (Aopen MZ915-M):

0000:00:00.0 Host bridge: Intel Corporation 915G/P/GV/GL/PL/910GL Processor to I/O Controller (rev 0e)
0000:00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Express Chipset Family Graphics Controller (rev 0e)
0000:00:02.1 Display controller: Intel Corporation 82915G Express Chipset Family Graphics Controller (rev 0e)
0000:00:1b.0 0403: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04)
0000:00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04)
0000:00:1c.3 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 4 (rev 04)
0000:00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
0000:00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
0000:00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
0000:00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
0000:00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)
0000:00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d4)
0000:00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface Bridge (rev 04)
0000:00:1f.2 IDE interface: Intel Corporation 82801FB/FW (ICH6/ICH6W) SATA Controller (rev 04)
0000:00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04)
0000:02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 Gigabit Ethernet Controller (rev 19)
0000:03:00.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01)

0000:00:00.0 0600: 8086:2580 (rev 0e)
0000:00:02.0 0300: 8086:2582 (rev 0e)
0000:00:02.1 0380: 8086:2782 (rev 0e)
0000:00:1b.0 0403: 8086:2668 (rev 04)
0000:00:1c.0 0604: 8086:2660 (rev 04)
0000:00:1c.3 0604: 8086:2666 (rev 04)
0000:00:1d.0 0c03: 8086:2658 (rev 04)
0000:00:1d.1 0c03: 8086:2659 (rev 04)
0000:00:1d.2 0c03: 8086:265a (rev 04)
0000:00:1d.3 0c03: 8086:265b (rev 04)
0000:00:1d.7 0c03: 8086:265c (rev 04)
0000:00:1e.0 0604: 8086:244e (rev d4)
0000:00:1f.0 0601: 8086:2640 (rev 04)
0000:00:1f.2 0101: 8086:2651 (rev 04)
0000:00:1f.3 0c05: 8086:266a (rev 04)
0000:02:00.0 0200: 11ab:4362 (rev 19)
0000:03:00.0 0400: 4444:0016 (rev 01)


Many thanx

Harri

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