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SubjectRe: Linux 2.4.20pre5-ac5

I tagged piix as modular and removed the task file stuff.
The DVD and burner showedup. Running atapci, showed
the drives as DMA enabled (I had to pick Generic PCI bus-master
DMA support to get the piix option).
Hdparm would not work with piix loaded, I got similiar errors
when trying to mount (see below).

I could mount a cd and copy files no problem(without piix loaded).
I then loaded the piix module. It loaded sucessfully. I tried to
mount the cd and got errors.
Also /proc/ide/piix did not show up.

Log snips below, I also put links to full files at end of message.

If I missed something or you need anything else
let me know. Thanks!


atapci before piix load (it's the same afterward):
pcibus = 33333
00:1f.1 vendor=8086 device=24cb class=0101 irq=16 base4=cc01
----------PIIX BusMastering IDE Configuration---------------
Driver Version: 1.3
South Bridge: 9419
Revision: IDE 0x1
Highest DMA rate: UDMA133
BM-DMA base: 0xcc00
PCI clock: 33.3MHz
-----------------------Primary IDE-------Secondary IDE------
Enabled: yes yes
Simplex only: no no
Cable Type: 80w 80w
Prefetch+Post: yes no yes no
Transfer Mode: UDMA PIO UDMA PIO
Address Setup: 90ns 90ns 90ns 90ns
Cmd Active: 360ns 360ns 360ns 360ns
Cmd Recovery: 540ns 540ns 540ns 540ns
Data Active: 90ns 360ns 90ns 360ns
Data Recovery: 30ns 540ns 30ns 540ns
Cycle Time: 60ns 900ns 60ns 900ns
Transfer Rate: 33.3MB/s 2.2MB/s 33.3MB/s 2.2MB/s
piix loading:
localhost kernel: ICH4: IDE controller at PCI slot 00:1f.1
localhost kernel: ICH4: chipset revision 1
localhost kernel: ICH4: not 100%% native mode: will probe irqs later
localhost kernel: ide0: BM-DMA at 0xcc00-0xcc07, BIOS settings:
hda:DMA, hdb:pio
localhost kernel: ide1: BM-DMA at 0xcc08-0xcc0f, BIOS settings:
hdc:DMA, hdd:pio
errors when mounting cdrom after loading piix:
localhost kernel: ide0: reset timed-out, status=0xff
localhost kernel: end_request: I/O error, dev 03:00 (hda), sector 0
localhost last message repeated 4 times
localhost kernel: end_request: I/O error, dev 03:00 (hda), sector 64
localhost kernel: isofs_read_super: bread failed, dev=03:00,
iso_blknum=16, block=32
localhost kernel: end_request: I/O error, dev 03:00 (hda), sector 0
******* dmesg when booting without piix:
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with
hdc: LITE-ON LTR-48125W, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: ATAPI 48X DVD-ROM drive, 512kB Cache
Uniform CD-ROM driver Revision: 3.12
hdc: ATAPI 48X CD-ROM CD-R/RW drive, 2048kB Cache

Links to full files:
Mounting errors after piix load
modprobing piix
Kernel config
gigabyte lspci

--- Alan Cox <> wrote:
> On Thu, 2002-09-12 at 01:02, Tony Spinillo wrote:
> > I just fired it up an an Asus P4B533-V (845G-Award Medallion Bios
> > v6.0)
> > board. Seemed to work well :) . Full DMA on the DVD drive.
> >
> > I took a gamble to see if my old "non-appearing" drives
> > problem was fixed, and tried it on the Gigabyte 845IGX
> > (845G-Award Modular Bios V6.0PG), I was not
> > as lucky. I think my next board will be an Asus. ;)
> Can you try one thing for me on the problem board. Build the PIIX
> driver
> modular, and build with ide task file disabled
> Next boot the system (single user read only if you want)- you
> should get
> the drives in basic PIO mode. Then modprobe piix and see if it
> finds the
> drives that way around

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