lkml.org 
[lkml]   [2004]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectPIIX4 ACPI device - hardwired IRQ9
    Dear friends:

    Please excuse my ignorance: Does the indicated line below have any other
    purpose apart from making me comment it and recompile the kernel to get
    my soundcard working? ;-)

    kernel-source-2.4.26/arch/i386/kernel/pci-pc.c
    static void __devinit pci_fixup_piix4_acpi(struct pci_dev *d)
    /* PIIX4 ACPI device: hardwired IRQ9 */
    ===> d->irq = 9;

    $ isapnp /etc/isapnp.conf
    /etc/isapnp.conf:167 -- Fatal - resource conflict allocating IRQ9
    (see pci)
    /etc/isapnp.conf:167 -- Fatal - Error occurred executing request
    'IRQ 9' --- further action aborted

    My soundcard is a Terratec EWS64 XL. I successfully use the
    sam9407-1.0.4 driver after a proper isapnp configuration, i.e. comment
    the hardwired IRQ9 line, compile the kernel, run isapnp.


    If there should be really no other purpose I recommend to comment the
    line, so I can use a precompiled kernel from now on. :-)

    kernel-source-2.4.26/arch/i386/kernel/pci-pc.c
    static void __devinit pci_fixup_piix4_acpi(struct pci_dev *d)
    /* PIIX4 ACPI device: hardwired IRQ9 */
    /* d->irq = 9; */


    Or maybe there is some method to deactivate hardwired irqs with boot
    parameters? My first experiments (without a clue about kernel internals)
    using kernel boot parameters like 'acpi=', 'pci=irqmask=0xMMMM' failed,
    though.


    Please CC me, if you want me to read your reply asap.

    All the best-
    Torsten Scheck


    -
    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/

    \
     
     \ /
      Last update: 2005-03-22 14:04    [W:0.020 / U:31.108 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site