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SubjectRe: 2.4.0, test10, test11: HPT366 problem

2.2.x and 2.4.0-xxx, do not share the same interrupt pin hack.

This is in 2.2.x patches.

printk("%s: onboard version of chipset, pin1=%d pin2=%d\n", d->name, pin1, pin2);
#if 1
/* I forgot why I did this once, but it fixed something. */
pci_write_config_byte(dev2, PCI_INTERRUPT_PIN, dev->irq);
printk("PCI: %s: Fixing interrupt %d pin %d to ZERO \n", d->name, dev2->irq, pin2);
pci_write_config_byte(dev2, PCI_INTERRUPT_LINE, 0);
#endif
It does the undocumented "mode 3" that I had to explain to HighPoint that
ABIT violated the OEM docs.

It is a PCI-addon chipset style deployed like a legacy chipset.

Primary channel is set to IRQ X and PIN A
Secondary channel is set to IRQ X++ and PIN B

This is not allowed by the guidelines but it you do the big nasty above,
it will fix it 99% of the time.

Add the above stub to ide-pci.c near or at line 756 to look like 2.2, then
retry and see if it fixes it. Then you bitch at Linus, not me, because it
is a functional kludge, but a "kludge".

Cheers,

On Tue, 21 Nov 2000, Hakan Lennestal wrote:

>
> Hi !
>
> I'm having problems when booting 2.4.0 test10 and test11 kernels
> (perhaps some earlier kernels too).
> Approximately nine out of ten times the kernel hangs when
> trying to detect partitions on the first HPT366 disk.
>
> It looks something like this:
>
> Nov 21 08:08:40 t kernel: Uniform Multi-Platform E-IDE driver Revision: 6.31
> Nov 21 08:08:40 t kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> Nov 21 08:08:40 t kernel: PIIX4: IDE controller on PCI bus 00 dev 39
> Nov 21 08:08:40 t kernel: PIIX4: chipset revision 1
> Nov 21 08:08:40 t kernel: PIIX4: not 100%% native mode: will probe irqs later
> Nov 21 08:08:40 t kernel: ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:pio
> Nov 21 08:08:40 t kernel: ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
> Nov 21 08:08:40 t kernel: HPT366: IDE controller on PCI bus 00 dev 48
> Nov 21 08:08:40 t kernel: HPT366: chipset revision 1
> Nov 21 08:08:40 t kernel: HPT366: not 100%% native mode: will probe irqs later
> Nov 21 08:08:40 t kernel: ide2: BM-DMA at 0xac00-0xac07, BIOS settings: hde:DMA, hdf:pio
> Nov 21 08:08:40 t kernel: HPT366: IDE controller on PCI bus 00 dev 49
> Nov 21 08:08:40 t kernel: HPT366: chipset revision 1
> Nov 21 08:08:40 t kernel: HPT366: not 100%% native mode: will probe irqs later
> Nov 21 08:08:40 t kernel: ide3: BM-DMA at 0xb800-0xb807, BIOS settings: hdg:DMA, hdh:pio
> Nov 21 08:08:40 t kernel: hda: FUJITSU MPD3064AT, ATA DISK drive
> Nov 21 08:08:40 t kernel: hdc: Hewlett-Packard CD-Writer Plus 8200, ATAPI CDROM drive
> Nov 21 08:08:40 t kernel: hdd: IOMEGA ZIP 100 ATAPI, ATAPI FLOPPY drive
> Nov 21 08:08:40 t kernel: hde: IBM-DTLA-307030, ATA DISK drive
> Nov 21 08:08:40 t kernel: hdg: QUANTUM Bigfoot TX12.0AT, ATA DISK drive
> Nov 21 08:08:40 t kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> Nov 21 08:08:40 t kernel: ide1 at 0x170-0x177,0x376 on irq 15
> Nov 21 08:08:40 t kernel: ide2 at 0xa400-0xa407,0xa802 on irq 9
> Nov 21 08:08:40 t kernel: ide3 at 0xb000-0xb007,0xb402 on irq 9
> Nov 21 08:08:40 t kernel: hda: 12672450 sectors (6488 MB) w/512KiB Cache, CHS=788/255/63, UDMA(33)
> Nov 21 08:08:40 t kernel: hde: 60036480 sectors (30739 MB) w/1916KiB Cache, CHS=59560/16/63, UDMA(66)
> Nov 21 08:08:40 t kernel: hdg: 23547888 sectors (12057 MB) w/69KiB Cache, CHS=23361/16/63, UDMA(33)
> Nov 21 08:08:40 t kernel: Partition check:
> Nov 21 08:08:40 t kernel: hda: hda1 hda2 < hda5 hda6 hda7 >
> Nov 21 08:08:40 t kernel: hde: hde1 hde2 < hde5
>
> And then after a while it gets a DMA timeout and hangs hard.
>
> The hang can occur anywhere during the partition detection and it can for
> instance also fail at once and look like:
>
> hde:
>
> or fail even after the last partiton:
>
> hde: hde1 hde2 < hde5 hde6 hde7 hde8
>
> Approximately one out of ten reboots the detection succedes and I'm able
> to boot up the kernel and then everything works smoothly.
>
> There are no problems when booting 2.2.*-kernels with the HPT366-patch.
>
> Regards.
>
> /Håkan
>
>
> ---------------------------------------
> e-mail: Hakan.Lennestal@lu.erisoft.se |
> or Hakan.Lennestal@cdt.luth.se |
> ---------------------------------------
>
> -
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>

Andre Hedrick
CTO Timpanogas Research Group
EVP Linux Development, TRG
Linux ATA Development

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