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Subject: Re: 2.6.7-mm3 USB ehci IRQ problem
From: Jurgen Kramer <gtm.kramer@inter.nl.net>
To: Len Brown <len.brown@intel.com>
Cc: linux-kernel@vger.kernel.org
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Date: Tue, 06 Jul 2004 18:15:49 +0200
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On Mon, 2004-07-05 at 23:15, Len Brown wrote:
> On Mon, 2004-07-05 at 16:33, Jurgen Kramer wrote:
> > On Mon, 2004-07-05 at 22:16, Jurgen Kramer wrote:
> > > On Mon, 2004-07-05 at 21:02, Len Brown wrote:
> > > > On Sun, 2004-06-27 at 08:02, Jurgen Kramer wrote:
> 
> > 2.6.7 vanilly results are in. The results are...it works..
> 
> great!  Now if you can apply this patch to 2.6.7 and tell me if
> it is ACPI that broke EHCI for you in -mm5 or something else:
> 
> http://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.7/2.6.7-mm5/broken-out/bk-acpi.patch
> 
Alright, still looks good:

<snip>
ACPI: Subsystem revision 20040615
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
<snip>
ehci_hcd 0000:00:1d.7: EHCI Host Controller
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: irq 23, pci mem f881dc00
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
PCI: cache line size of 128 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: USB 2.0 enabled, EHCI 1.00, driver 2004-May-10
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 8 ports detected
USB Universal Host Controller Interface driver v2.2
<snip>

So it doesn't look like a ACPI problem.

Jurgen