linux-kernel - Re: 4.7 regression: ACPI: No IRQ available for PCI Interrupt Link [LNKD]. Try pci=noacpi or acpi=off

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Message-ID: <5f6956d8-c752-41ea-8ec3-9e49f128eba4@codeaurora.org>
Date:   Thu, 29 Sep 2016 10:35:13 -0400
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Ondrej Zary <linux@...nbow-software.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        wim@....tudelft.nl, ravikanth.nalla@....com
Subject: Re: 4.7 regression: ACPI: No IRQ available for PCI Interrupt Link
 [LNKD]. Try pci=noacpi or acpi=off

On 9/29/2016 10:28 AM, Sinan Kaya wrote:
> +		if (irq < ACPI_MAX_ISA_IRQS)

BTW, can you change this line to

	if (link->irq.active < ACPI_MAX_ISA_IRQS)

after applying.

> +			acpi_isa_irq_penalty[link->irq.active] +=
> +				PIRQ_PENALTY_PCI_USING;

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.