Messages in this thread | | | Date | Sun, 5 Dec 2004 17:19:11 +0100 | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: [BUG] pdc202xx_new and ACPI fails |
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On Sun, 5 Dec 2004 01:59:46 +0100, Nico Schottelius <nico-kernel@schottelius.org> wrote: > Hello dear developers, > > when loading pdc202xx_new on a 2.6.9 kernel with ACPI on the moprobe > call will never return and prints many errors [0]. > > The controller is a Promise Technology, Inc. PDC20270 (FastTrak100 LP/TX2/TX4) (rev 02). > > If loading the driver without the forced option, it says deactivated > by BIOS. > > On the other hand, when loading with apm onlyi and enabling forced, > it works fine [1]. > > So my questions: > > - Why does it fail with ACPI?
Because ACPI assigns wrong IRQ line for the second PCI device (ports ide4 and ide5).
> - Is it possible to fix that? If, how?
Maybe. ;-) Please forward this mail to ACPI maintainer.
> - Is it possible to make forced enabling a module option?like force_against_bios=0|1 > - Where in which bios (controller/Mainboard) should one activate the ports?
They are marked as disabled for use of Windows software RAID driver,
Juse use forced option or -mm kernels (they contain patch for automatic ignoring of BIOS settings).
> Greetings, > > Nico > > [0]: see attached dmesg.eiche > > [1]: > PDC20270: IDE controller at PCI slot 0000:02:01.0 > PDC20270: chipset revision 2 > PDC20270: ROM enabled at 0xdfee0000 > PDC20270: 100% native mode on irq 10 > ide2: BM-DMA at 0xbc00-0xbc07, BIOS settings: hde:pio, hdf:pio > ide3: BM-DMA at 0xbc08-0xbc0f, BIOS settings: hdg:pio, hdh:pio > ide4: BM-DMA at 0xa800-0xa807, BIOS settings: hdi:pio, hdj:pio > ide5: BM-DMA at 0xa808-0xa80f, BIOS settings: hdk:pio, hdl:pio > Probing IDE interface ide2... > Probing IDE interface ide3... > hdh: IDE DVD-ROM 16X, ATAPI CD/DVD-ROM drive > ide3 at 0xc400-0xc407,0xc002 on irq 10 > Probing IDE interface ide4... > Probing IDE interface ide5... > hdk: WDC WD1200BB-00GUA0, ATA DISK drive > ide5 at 0xb000-0xb007,0xac02 on irq 10 > hdk: max request size: 1024KiB > hdk: 234441648 sectors (120034 MB) w/2048KiB Cache, CHS=16383/255/63, UDMA(100) > hdk: cache flushes supported > /dev/ide/host4/bus1/target0/lun0: unknown partition table - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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