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

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To: Ingo Molnar <mingo@...>
Cc: Rafael J. Wysocki <rjw@...>, Matthew Garrett <mjg59@...>, Len Brown <lenb@...>, Thomas Gleixner <tglx@...>, <linux-next@...>, <linux-acpi@...>, <linux-kernel@...>, Andi Kleen <andi@...>
Date: Monday, July 7, 2008 - 7:41 am

On Mon, 7 Jul 2008, Ingo Molnar wrote:


 Well spottedd -- perhaps the x86-64 was though to be perfect. ;)


 It makes absolutely no sense and should be harmful to call
clear_IO_APIC_pin(apic1, pin1) here, because both apic1 and pin1 should be
equal to -1 here.  If it has to be called, then I suppose the DMI matching 
did not work and the workaround has not been enabled.

 Rafael, can you please provide a full bootstrap log obtained with all the
changes, but *without* this part?  Also, can you please verify DMI IDs of
your system (dmidecode or /sys/class/dmi, I am told)?

 I do think we should record DMI vendor and name information in the
bootstrap log.  It won't take a lot of space and will be more useful than
some other IDs we never use for anything else, which we obtain from some
other tables.

  Maciej
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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..., 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..., Maciej W. Rozycki, (Mon Jul 7, 7:41 am)
Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for som..., Maciej W. Rozycki, (Mon Jul 7, 10:01 am)