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Re: kernel-4.7 bug in Intel sound and/or ACPI

From Wim Osterholt <wim@djo.tudelft.nl>
Newsgroups linux.kernel
Subject Re: kernel-4.7 bug in Intel sound and/or ACPI
Date 2016-06-21 14:50 +0200
Message-ID <rMthU-5Vb-11@gated-at.bofh.it> (permalink)
References <rLVpT-14z-13@gated-at.bofh.it> <rLVJf-1b9-7@gated-at.bofh.it> <rMeVz-55s-1@gated-at.bofh.it> <rMfRD-5Ht-1@gated-at.bofh.it>
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> Can you try the following and see if it makes any difference?
> 
> 
> --- a/drivers/acpi/pci_link.c
> +++ b/drivers/acpi/pci_link.c
> @@ -500,7 +500,7 @@ static int acpi_irq_get_penalty(int irq)
>         int penalty = 0;
> 
>         if (irq < ACPI_MAX_ISA_IRQS)
> -               penalty += acpi_isa_irq_penalty[irq];
> +               return acpi_isa_irq_penalty[irq];
> 
>         /*
>         * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict
> @@ -586,6 +586,10 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
>                             acpi_device_bid(link->device));
>                 return -ENODEV;
>         } else {
> +               if (irq < ACPI_MAX_ISA_IRQS)
> +                       acpi_isa_irq_penalty[irq] = acpi_irq_get_penalty(irq) +
> +                                                       PIRQ_PENALTY_PCI_USING;
> +
> 
> 
> 
> > Bjorn


I tried this on kernel 4.7.0-rc4, but that didn't help. It still tried to
grab irq7.


Regards, Wim.


----- wim@djo.tudelft.nl -----

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Thread

kernel-4.7 bug in Intel sound and/or ACPI Wim Osterholt <wim@djo.tudelft.nl> - 2016-06-20 02:40 +0200
  Re: kernel-4.7 bug in Intel sound and/or ACPI "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-06-20 03:00 +0200
    Re: kernel-4.7 bug in Intel sound and/or ACPI Bjorn Helgaas <helgaas@kernel.org> - 2016-06-20 23:30 +0200
      Re: kernel-4.7 bug in Intel sound and/or ACPI Sinan Kaya <okaya@codeaurora.org> - 2016-06-21 00:30 +0200
        Re: kernel-4.7 bug in Intel sound and/or ACPI Wim Osterholt <wim@djo.tudelft.nl> - 2016-06-21 14:50 +0200
          Re: kernel-4.7 bug in Intel sound and/or ACPI Sinan Kaya <okaya@codeaurora.org> - 2016-06-21 15:50 +0200
            Re: kernel-4.7 bug in Intel sound and/or ACPI Wim Osterholt <wim@djo.tudelft.nl> - 2016-06-22 00:30 +0200
              Re: kernel-4.7 bug in Intel sound and/or ACPI okaya@codeaurora.org - 2016-06-23 06:00 +0200
                Re: kernel-4.7 bug in Intel sound and/or ACPI Wim Osterholt <wim@djo.tudelft.nl> - 2016-06-23 16:20 +0200
                Re: kernel-4.7 bug in Intel sound and/or ACPI Sinan Kaya <okaya@codeaurora.org> - 2016-06-23 17:00 +0200
                Re: kernel-4.7 bug in Intel sound and/or ACPI Sinan Kaya <okaya@codeaurora.org> - 2016-06-23 17:50 +0200
                Re: kernel-4.7 bug in Intel sound and/or ACPI Bjorn Helgaas <helgaas@kernel.org> - 2016-06-23 18:30 +0200
                Re: kernel-4.7 bug in Intel sound and/or ACPI Alex Williamson <alex.williamson@redhat.com> - 2016-06-23 19:10 +0200

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