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Date:	Mon, 14 Jul 2014 13:26:42 -0400
From:	Konrad Rzeszutek Wilk <>
To:	Jiang Liu <>
Cc:	Benjamin Herrenschmidt <>,
	Thomas Gleixner <>,
	Ingo Molnar <>,
	"H. Peter Anvin" <>,
	"Rafael J. Wysocki" <>,
	Bjorn Helgaas <>,
	Randy Dunlap <>,
	Yinghai Lu <>,
	Andrew Morton <>,
	Tony Luck <>,
	Joerg Roedel <>,
	Greg Kroah-Hartman <>,,,,
Subject: Re: [Patch V3 00/16] Enable support of IOAPIC hotplug on x86

On Wed, Jun 25, 2014 at 04:40:31PM +0800, Jiang Liu wrote:
> This patch set enhances IOAPIC core and ACPI drivers to support IOAPIC
> hotplug on x86 platforms. It's based on tip/x86/apic.
> You may pull it from 
> ioapic/hotplug_v3

With this patchset (on top of 3.16-rc5) my USB driver gets notified
it has interrupts but it thinks it does not have to acknowledge any.
I can only reproduce this under a 32-bit arch so far.

Please see the good.log and the bad.log 

View attachment "good.log" of type "text/plain" (132034 bytes)

View attachment "bad.log" of type "text/plain" (117895 bytes)

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