RE: [2.6.12rc4] PROBLEM: "drive appears confused" and "irq 18: nobody cared!"

Protasevich, Natalie
2005-06-17T18:41:58Z

> > Jun 17 12:07:49 orclex kernel: ICH6: 100% native mode on
> irq 18 Jun 17
> > 12:07:49 orclex kernel: ide0: BM-DMA at 0x5800-0x5807, BIOS
> settings:
> > hda:DMA, hdb:DMA Jun 17 12:07:49 orclex kernel: ide1: BM-DMA at
> > 0x5808-0x580f, BIOS settings: hdc:pio, hdd:pio
>
> This seems an unusual setup - the ICH6 is in native mode not
> legacy as I'd have expected.
>
> > Jun 17 12:07:49 orclex kernel: hdb: cdrom_pc_intr: The
> drive appears
> > confused (ireason = 0x01) Jun 17 12:07:49 orclex kernel:
> irq 18: nobody cared (try booting with the "irqpoll" option.
>
> Something failed to clear IRQ 18, that typically means there
> are IRQ routing problems rather than IDE ones and would
> explain your traces.
>

This looks like a problem to me:

Jun 17 09:53:02 orclex kernel: Uniform Multi-Platform E-IDE driver
Revision: 7.00alpha2
Jun 17 09:53:02 orclex kernel: ide: Assuming 33MHz system bus speed for
PIO modes; override with idebus=xx
Jun 17 09:53:02 orclex kernel: ICH6: IDE controller at PCI slot
0000:00:1f.1
Jun 17 09:53:02 orclex kernel: ACPI: PCI Interrupt 0000:00:1f.1[A] ->
GSI 18 (level, low) -> IRQ 217 <=== level IRQ
Jun 17 09:53:02 orclex kernel: ICH6: chipset revision 3
Jun 17 09:53:02 orclex kernel: ICH6: 100% native mode on irq 217
Jun 17 09:53:02 orclex kernel: ide0: BM-DMA at 0x5800-0x5807, BIOS
settings: hda:DMA, hdb:DMA
Jun 17 09:53:02 orclex kernel: ide1: BM-DMA at 0x5808-0x580f, BIOS
settings: hdc:pio, hdd:pio
Jun 17 09:53:02 orclex kernel: Probing IDE interface ide0...
Jun 17 09:53:02 orclex kernel: hda: IC35L060AVV207-0, ATA DISK drive
Jun 17 09:53:02 orclex kernel: hdb: SONY CD-RW CRX210E1, ATAPI
CD/DVD-ROM drive
Jun 17 09:53:02 orclex kernel: ide0 at 0x7000-0x7007,0x6802 on irq 217
<=========== here it's used for IDE