Re: Intel ICH9M bug : sata unusable with usbserial

[Philippe De Muyter <phdm-vQo90/bmh3WzQB+pC5nmwQ@public.gmane.org>]

On Tue, Mar 01, 2011 at 09:16:27AM -0500, Greg KH wrote:
> On Tue, Mar 01, 2011 at 01:34:52PM +0100, Philippe De Muyter wrote:
> > previously we had all but one usb interrupts on the same line as ata_piix :
> >   5:      17183    XT-PIC-XT-PIC    ata_piix, ata_piix, ehci_hcd:usb1, ehci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb5, uhci_hcd:usb6, uhci_hcd:usb7, uhci_hcd:usb8
> > while now they are spread on different lines : 16, 18, 19, 21 and 22
> > 
> > So I wonder if there is still a bug, but that it is not triggered anymore.
> > 
> > Is there a way to tell which interrupt line the USB GPS receiver is connected
> > to ?
> 
> See which USB bus the device is on, using lsusb.  It should match up
> with the usbX number in the above list.

Given that I get :

  tmp199:~ # lsusb
  ...
  Bus 007 Device 002: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
  tmp199:~ # cat /proc/interrupts
	     CPU0       CPU1
  ...
   19:     996143     995511   IO-APIC-fasteoi   ata_piix, ata_piix, uhci_hcd:usb5, uhci_hcd:usb7
  tmp199:~ #

my USB GPS receiver and my sata disk still share the same interrupt, I assume ?

What's changed now is that this interrupt line is now IO-APIC-fasteoi instead
of XT-PIC-XT-PIC.  Maybe there's something to look at there ?

> 
> Glad enabling APIC in your BIOS fixed this.

I am glad too :)

Thanks

Philippe

-- 
Philippe De Muyter +32 2 6101532 Macq SA rue de l'Aeronef 2 B-1140 Bruxelles
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