linux-kernel - Re: [Linux-usb-users] [REGRESSION] 2.6.23-rc1: uhci

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Date:	Sun, 29 Jul 2007 17:47:11 +0100
From:	Mark Hindley <mark@...dley.org.uk>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	linux-kernel@...r.kernel.org, linux-usb-users@...ts.sourceforge.net
Subject: Re: [Linux-usb-users] [REGRESSION] 2.6.23-rc1: uhci_hcd. irq 4: nobody cared

On Sun, Jul 29, 2007 at 11:19:47AM -0400, Alan Stern wrote:
> On Sun, 29 Jul 2007, Mark Hindley wrote:
> 
> > Hi,
> > 
> > I have just tried 2.6.23-rc1 on my Acer Aspire 1350.
> > 
> > On boot I get the following error as the uhci_hcd module is loaded:
> > 
> > Jul 28 18:23:20 mercury kernel: ACPI: PCI Interrupt 0000:00:10.0[A] -> Link [LNKA] -> GSI 4 (level, low) -> IRQ 4
> > Jul 28 18:23:20 mercury kernel: uhci_hcd 0000:00:10.0: UHCI Host Controller
> > Jul 28 18:23:20 mercury kernel: uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2
> > Jul 28 18:23:20 mercury kernel: irq 4: nobody cared (try booting with the "irqpoll" option)
> 
> Did it work okay with older kernels?  What does /proc/interrupts say in 
> both 2.6.23-rc1 and in a working kernel?

No boot error with 2.6.22.1.

On 2.6.22.1:
           CPU0       
  0:      12312    XT-PIC-XT        timer
  1:        286    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  4:        434    XT-PIC-XT        uhci_hcd:usb2, via@pci:0000:01:00.0
  5:       2000    XT-PIC-XT        yenta, uhci_hcd:usb3, wifi0
  6:          3    XT-PIC-XT        floppy
  7:          3    XT-PIC-XT        parport0
  8:          4    XT-PIC-XT        rtc
  9:          0    XT-PIC-XT        uhci_hcd:usb4, VIA82XX-MODEM, VIA8233
 10:        843    XT-PIC-XT        acpi
 11:          0    XT-PIC-XT        ehci_hcd:usb1
 12:        123    XT-PIC-XT        i8042
 14:      10951    XT-PIC-XT        ide0
 15:         53    XT-PIC-XT        ide1
NMI:        770 
LOC:     120091 
ERR:          0
MIS:          0

On 2.6.23-rc1:
           CPU0       
  0:       8616    XT-PIC-XT        timer
  1:        183    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  4:       8233    XT-PIC-XT        uhci_hcd:usb1, via@pci:0000:01:00.0
  5:       4948    XT-PIC-XT        uhci_hcd:usb2, yenta, wifi0
  6:          3    XT-PIC-XT        floppy
  7:         22    XT-PIC-XT        parport0
  8:          4    XT-PIC-XT        rtc
  9:          0    XT-PIC-XT        uhci_hcd:usb3, VIA82XX-MODEM, VIA8233
 10:        854    XT-PIC-XT        acpi
 11:          0    XT-PIC-XT        ehci_hcd:usb4
 12:        123    XT-PIC-XT        i8042
 14:      12202    XT-PIC-XT        ide0
 15:         53    XT-PIC-XT        ide1
NMI:        809 
LOC:     150284 
ERR:          1
MIS:          0

Mark
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