linux-kernel - Re: [ 57/72] genirq: Unmask oneshot irqs when thread was not woken

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Date:	Tue, 6 Mar 2012 21:54:53 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Sven Joachim <svenjoac@....de>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Stefan Lippers-Hollmann <s.L-H@....de>,
	Greg KH <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jonathan Nieder <jrnieder@...il.com>,
	linux-wireless@...r.kernel.org,
	Stefano Brivio <stefano.brivio@...imi.it>
Subject: Re: [ 57/72] genirq: Unmask oneshot irqs when thread was not woken

On Tue, 6 Mar 2012, Thomas Gleixner wrote:
> On Tue, 6 Mar 2012, Sven Joachim wrote:
> > Am 06.03.2012 um 20:31 schrieb Thomas Gleixner:
> > 
> > > Stephan, Sven: Can you please provide the output of /proc/interrupts ?
> > 
> > Here is mine, from a freshly booted 3.3-rc6 kernel.
> > 
> > Cheers,
> >        Sven
> > 
> >            CPU0       
> >   0:      25050    XT-PIC-XT-PIC    timer
> >   1:        101    XT-PIC-XT-PIC    i8042
> >   2:          0    XT-PIC-XT-PIC    cascade
> >   3:          1    XT-PIC-XT-PIC  
> >   4:          1    XT-PIC-XT-PIC  
> >   5:          0    XT-PIC-XT-PIC    ehci_hcd:usb1, uhci_hcd:usb2
> >   6:          1    XT-PIC-XT-PIC    i915, uhci_hcd:usb5, yenta
> >   7:          1    XT-PIC-XT-PIC  
> >   8:          0    XT-PIC-XT-PIC    rtc0
> >   9:        634    XT-PIC-XT-PIC    acpi
> >  10:        341    XT-PIC-XT-PIC    uhci_hcd:usb4, snd_hda_intel, b43
> 
> Ah, XT-PIC uses handle_level_irq(). /me bangs head against desk.

Ha, nosmp on the command line lets me reproduce as well and the patch
fixes it. Duh, stupid me.
 
Thanks,
 
 	tglx
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