From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Nico Schottelius <nico-kernel@schottelius.org>,
linux-kernel@vger.kernel.org, Andre Hedrick <andre@linux-ide.org>,
Frank Tiernan <frankt@promise.com>
Subject: Re: [BUG] pdc202xx_new and ACPI fails
Date: Sun, 5 Dec 2004 17:19:11 +0100 [thread overview]
Message-ID: <58cb370e04120508191488d4a2@mail.gmail.com> (raw)
In-Reply-To: <20041205005946.GA7695@schottelius.org>
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
prev parent reply other threads:[~2004-12-05 16:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-05 0:59 [BUG] pdc202xx_new and ACPI fails Nico Schottelius
2004-12-05 16:19 ` Bartlomiej Zolnierkiewicz [this message]
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