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    SubjectRe: 2.6.14-rc1 on ATI hangs when executing _STA and _INI methods


    On Wed, 15 Sep 2005, Peter Osterlund wrote:
    >
    > My Compaq Presario R3057EA hangs during ACPI initialization. The last
    > message is "Executing all Device _STA and _INI methods". git bisect
    > told me that:
    >
    > 66759a01adbfe8828dd063e32cf5ed3f46696181 is first bad commit
    > diff-tree 66759a01adbfe8828dd063e32cf5ed3f46696181 (from 049cdefe19f95b67b06b70915cd8e4ae7173337a)
    > Author: Chuck Ebbert <76306.1226@compuserve.com>
    > Date: Mon Sep 12 18:49:25 2005 +0200
    >
    > [PATCH] x86-64: i386/x86-64: Fix time going twice as fast problem on ATI Xpress chipsets
    >
    > Passing enable_timer_pin_1 as a kernel boot parameter doesn't help,
    > but this patch does:

    Ok. That patch has been one big pain, and was clearly totally half-baked.
    I think I'll disable the automated checks, since they are clearly wrong.
    You can still enable it manually with a kernel command line.

    So something like this.. I assume this works for you?

    Linus

    ----
    diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
    --- a/arch/i386/kernel/acpi/earlyquirk.c
    +++ b/arch/i386/kernel/acpi/earlyquirk.c
    @@ -7,7 +7,6 @@
    #include <linux/pci.h>
    #include <asm/pci-direct.h>
    #include <asm/acpi.h>
    -#include <asm/apic.h>

    static int __init check_bridge(int vendor, int device)
    {
    @@ -16,15 +15,6 @@ static int __init check_bridge(int vendo
    if (vendor == PCI_VENDOR_ID_NVIDIA) {
    acpi_skip_timer_override = 1;
    }
    -#ifdef CONFIG_X86_LOCAL_APIC
    - /*
    - * ATI IXP chipsets get double timer interrupts.
    - * For now just do this for all ATI chipsets.
    - * FIXME: this needs to be checked for the non ACPI case too.
    - */
    - if (vendor == PCI_VENDOR_ID_ATI)
    - disable_timer_pin_1 = 1;
    -#endif
    return 0;
    }

    diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
    --- a/arch/x86_64/kernel/io_apic.c
    +++ b/arch/x86_64/kernel/io_apic.c
    @@ -299,15 +299,6 @@ void __init check_ioapic(void)
    #endif
    /* RED-PEN skip them on mptables too? */
    return;
    - case PCI_VENDOR_ID_ATI:
    - /* All timer interrupts on atiixp
    - are doubled. Disable one. */
    - if (disable_timer_pin_1 == 0) {
    - disable_timer_pin_1 = 1;
    - printk(KERN_INFO
    - "ATI board detected. Disabling timer pin 1.\n");
    - }
    - return;
    }

    /* No multi-function device? */
    -
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