Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for some HP systems | KernelTrap

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for some HP systems

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From: Ingo Molnar <mingo@...>

To: Rafael J. Wysocki <rjw@...>

Cc: Matthew Garrett <mjg59@...>, Maciej W. Rozycki <macro@...>, Len Brown <lenb@...>, Thomas Gleixner <tglx@...>, <linux-next@...>, <linux-acpi@...>, <linux-kernel@...>, Andi Kleen <andi@...>

Subject: Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for some HP systems

Date: Monday, July 7, 2008 - 3:36 am

* Ingo Molnar <mingo@elte.hu> wrote:

quoted text> > Please note two things:
> > (1) The whole acpi_dmi_table[] thing originally depended on __i386__, so it
> >     wouldn't work on x86-64 no matter what.  I removed that dependecy, but
> >     I have no idea why it was there and so I'm not sure if that's correct. 
> 
> > (2) The clear_IO_APIC_pin(apic1, pin1) done if 
> >     disable_irq0_through_ioapic is true is absolutely essential.  The 
> >     symptoms are 100% reproducible without it.
> 
> thanks, applied to tip/x86, to give this some more testing.

i know you havent submitted this for inclusion yet, but FYI it wont 
build on 32-bit with a config like:

 http://redhat.com/~mingo/misc/config-Mon_Jul__7_09_22_45_CEST_2008.bad

	Ingo
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Messages in current thread:

[PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for some HP..., Maciej W. Rozycki, (Mon Jun 30, 8:12 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Andreas Herrmann, (Tue Jul 8, 7:24 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Tue Jul 8, 11:27 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Tue Jul 8, 12:25 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Tue Jul 8, 12:54 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Tue Jul 8, 10:39 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Zhao Forrest, (Sun Jul 6, 11:54 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 8:34 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Matthew Garrett, (Mon Jun 30, 8:17 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Ingo Molnar, (Tue Jul 1, 4:46 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Tue Jul 1, 3:58 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Ingo Molnar, (Tue Jul 1, 4:24 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Sun Jul 6, 7:02 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Sun Jul 6, 9:19 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 3:59 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 4:30 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 4:17 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 5:38 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Ingo Molnar, (Mon Jul 7, 3:17 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 7:41 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 8:28 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 1:10 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 2:09 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Ray Lee, (Mon Jul 7, 1:51 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 8:23 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 10:01 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 2:03 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 4:10 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 4:31 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 5:39 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 6:10 pm)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Ingo Molnar, (Mon Jul 7, 3:36 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Mon Jul 7, 8:24 am)

Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Rafael J. Wysocki, (Fri Jul 4, 5:21 pm)

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