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From: Len Brown <len.brown@intel.com>
To: Florian Weimer <fw@deneb.enyo.de>
Cc: linux-thinkpad@linux-thinkpad.org, linux-kernel@vger.kernel.org
Subject: Re: [ltp] Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1
Date: 17 Jul 2004 03:15:42 -0400	[thread overview]
Message-ID: <1090048541.2792.26.camel@dhcppc4> (raw)
In-Reply-To: <566B962EB122634D86E6EE29E83DD808182C04EC@hdsmsx403.hd.intel.com>

On Thu, 2004-07-15 at 17:57, Florian Weimer wrote:
> * David Weinehall:
> 
> > Strange.  suspend works for me (T40 though, not T40p), latest
> > BIOS-version, ACPI enabled, APM disabled.
> 
> Thanks for your /proc/interrupts file.  You have a lot less IRQ
> sharing than me:
> 
>            CPU0       
>   0:    5484369          XT-PIC  timer
>   1:      13698          XT-PIC  i8042
>   2:          0          XT-PIC  cascade
>  11:     301909          XT-PIC  uhci_hcd, uhci_hcd, uhci_hcd, Intel
> 82801DB-ICH4, eth0, yenta, yenta, radeon@PCI:1:0:0
>  12:      14446          XT-PIC  i8042
>  14:      63403          XT-PIC  ide0
>  15:         21          XT-PIC  ide1
> NMI:          0 
> ERR:          0

> I wonder why the system has got such a high affinity to IRQ 11.  I've
> never seen so much IRQ sharing before. 8-/

Only the BIOS knows why -- Linux doesn't move IRQs around in PIC mode.
But you can make it attempt to balance them with "acpi_irq_balance" if
you're feeling adventerous.

cheers,
-Len



       reply	other threads:[~2004-07-17  7:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <566B962EB122634D86E6EE29E83DD808182C04EC@hdsmsx403.hd.intel.com>
2004-07-17  7:15 ` Len Brown [this message]
2004-07-17  7:47   ` [ltp] Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1 Dax Kelson
     [not found] <A6974D8E5F98D511BB910002A50A6647615FEF48@hdsmsx403.hd.intel.com>
2004-07-05 19:00 ` Len Brown
2004-07-06 14:14   ` Volker Braun
2004-07-14 20:16     ` John Goerzen
2004-07-14 20:27       ` David Weinehall
2004-07-15  9:08         ` [ltp] " Vincent Touquet
2004-07-15 21:29       ` Florian Weimer
2004-07-15 21:37         ` David Weinehall
2004-07-15 21:43           ` Florian Weimer
2004-07-15 21:46             ` David Weinehall
2004-07-15 21:57               ` Florian Weimer
2004-07-16  6:14                 ` David Weinehall
2004-07-16  9:16         ` Matthew Garrett
2004-07-16 20:41           ` Florian Weimer

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