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Date: Wed, 9 Aug 2006 13:51:09 +0200
From: Olaf Hering <olaf@aepfle.de>
To: Mark Fasheh <mark.fasheh@oracle.com>
Subject: Re: boot problems on pseries
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On Tue, Aug 08, 2006 at 06:36:09PM -0700, Mark Fasheh wrote:

> Recently, I discovered that newer kernels would no longer fully boot.

The IDE controller got irq32 in older kernels, now it gets irq17.
...
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
AMD8111: IDE controller at PCI slot 0000:00:04.1
AMD8111: chipset revision 3
AMD8111: 0000:00:04.1 (rev 03) UDMA133 controller
AMD8111: 100% native mode on irq 17
    ide0: BM-DMA at 0x7c00-0x7c07, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0x7c08-0x7c0f, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: TOSHIBA MK6026GAXB, ATA DISK drive
ide0 at 0x7400-0x7407,0x6c02 on irq 17
Probing IDE interface ide1...
Probing IDE interface ide1...
hda: max request size: 128KiB
hda: lost interrupt
hda: lost interrupt
...