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    SubjectRe: irq 15: nobody cared! with KT600 chipset and 2.6.0-test9
    On Nov 23, Linus Torvalds <torvalds@osdl.org> wrote:

    >On Sun, 23 Nov 2003, Marco d'Itri wrote:
    >>
    >> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    >> hdc: IRQ probe failed (0x3cfa: 0). Guessing at 15
    >> hdc: CD-ROM 50X, ATAPI CD/DVD-ROM drive
    >> hdd: 32X10, ATAPI CD/DVD-ROM drive
    >> Badness in request_irq at arch/i386/kernel/irq.c:572
    >> Call Trace:
    >> [<c021a770>] ide_intr+0x0/0x130
    >
    >There was nothing before this?
    >
    >The probe failed _before_ the first warning?
    Yes.

    >Does this one make a difference?
    No:

    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    VIA8237SATA: IDE controller at PCI slot 0000:00:0f.0
    VIA8237SATA: chipset revision 128
    VIA8237SATA: 100%% native mode on irq 3
    ide2: BM-DMA at 0xa000-0xa007, BIOS settings: hde:pio, hdf:pio
    ide3: BM-DMA at 0xa008-0xa00f, BIOS settings: hdg:pio, hdh:pio
    VP_IDE: IDE controller at PCI slot 0000:00:0f.1
    VP_IDE: chipset revision 6
    VP_IDE: not 100%% native mode: will probe irqs later
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1
    ide0: BM-DMA at 0x9400-0x9407, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0x9408-0x940f, BIOS settings: hdc:DMA, hdd:DMA
    hda: Maxtor 6Y080P0, ATA DISK drive
    hdb: MAXTOR 6L040J2, ATA DISK drive
    Using anticipatory io scheduler
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    hdc: CD-ROM 50X, ATAPI CD/DVD-ROM drive
    hdd: 32X10, ATAPI CD/DVD-ROM drive
    Badness in request_irq at arch/i386/kernel/irq.c:572
    Call Trace:
    [<c021a770>] ide_intr+0x0/0x130
    [<c010acfc>] request_irq+0xcc/0x100
    [<c021bd06>] init_irq+0x156/0x400
    [<c021a770>] ide_intr+0x0/0x130
    [<c021c398>] hwif_init+0xb8/0x250
    [<c021b9cc>] probe_hwif_init+0x2c/0x80
    [<c022769a>] ide_setup_pci_device+0x7a/0x80
    [<c021906d>] via_init_one+0x3d/0x50
    [<c039791d>] ide_scan_pcidev+0x5d/0x70
    [<c0397976>] ide_scan_pcibus+0x46/0xd0
    [<c0397823>] probe_for_hwifs+0x13/0x20
    [<c0397838>] ide_init_builtin_drivers+0x8/0x20
    [<c0397898>] ide_init+0x48/0x70
    [<c038674b>] do_initcalls+0x2b/0xa0
    [<c01278f2>] init_workqueues+0x12/0x60
    [<c0105097>] init+0x27/0x110
    [<c0105070>] init+0x0/0x110
    [<c01072a9>] kernel_thread_helper+0x5/0xc

    irq 15: nobody cared!
    Call Trace:
    [<c010a92b>] __report_bad_irq+0x2b/0x90
    [<c010aa24>] note_interrupt+0x64/0xa0
    [<c010ac2a>] do_IRQ+0xea/0xf0
    [<c01092a0>] common_interrupt+0x18/0x20
    [<c011d104>] do_softirq+0x44/0xa0
    [<c010ac11>] do_IRQ+0xd1/0xf0
    [<c01092a0>] common_interrupt+0x18/0x20
    [<c010b034>] setup_irq+0x64/0xb0
    [<c021a770>] ide_intr+0x0/0x130
    [<c010acb9>] request_irq+0x89/0x100
    [<c021bd06>] init_irq+0x156/0x400
    [<c021a770>] ide_intr+0x0/0x130
    [<c021c398>] hwif_init+0xb8/0x250
    [<c021b9cc>] probe_hwif_init+0x2c/0x80
    [<c022769a>] ide_setup_pci_device+0x7a/0x80
    [<c021906d>] via_init_one+0x3d/0x50
    [<c039791d>] ide_scan_pcidev+0x5d/0x70
    [<c0397976>] ide_scan_pcibus+0x46/0xd0
    [<c0397823>] probe_for_hwifs+0x13/0x20
    [<c0397838>] ide_init_builtin_drivers+0x8/0x20
    [<c0397898>] ide_init+0x48/0x70
    [<c038674b>] do_initcalls+0x2b/0xa0
    [<c01278f2>] init_workqueues+0x12/0x60
    [<c0105097>] init+0x27/0x110
    [<c0105070>] init+0x0/0x110
    [<c01072a9>] kernel_thread_helper+0x5/0xc

    handlers:
    [<c021a770>] (ide_intr+0x0/0x130)
    Disabling IRQ #15
    ide1 at 0x170-0x177,0x376 on irq 15
    hda: max request size: 128KiB
    hda: 160086528 sectors (81964 MB) w/7936KiB Cache, CHS=65535/16/63, UDMA(133)
    /dev/ide/host0/bus0/target0/lun0: p1 p2 p3 < p5 p6 p7 p8 p9 p10 p11 >
    hdb: max request size: 128KiB
    hdb: 78177792 sectors (40027 MB) w/1820KiB Cache, CHS=65535/16/63, UDMA(133)
    /dev/ide/host0/bus0/target1/lun0: p1 p2 p3 p4 < p5 p6 p7 p8 p9 >

    --
    ciao, |
    Marco | [3237 agt8As3FpLsEE]
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