[Moved to linux-usb-devel in the hope of getting additional help]
On Thu, 15 Jun 2006, Johny wrote:
> Alan,
>
> See comments interspersed, thanks for your assistance :)
>
> Alan Stern wrote:
> > On Tue, 13 Jun 2006, Johny wrote:
> >
> >> Is this best suited to this mailing list?
> >
> > It's appropriate.
> >
> >> I tried the kernel list with zero responses (so far ;), let me know if
> >> there is
> >> anywhere else this should go.
> > ...
> >
> >> Johny Ågotnes wrote:
> >>> All,
> >>>
> >>> My USB hub isn't recognised with the latest -mm series, whereas with
> >>> 2.6.16 vanilla it is picked up & used immediately.
> >>>
> >>> The error I get in dmesg is;
> >>>
> >>> hub 4-0:1.0: USB hub found
> >>> hub 4-0:1.0: 2 ports detected
> >>> usb 1-4: new high speed USB device using ehci_hcd and address 3
> >>> ehci_hcd 0000:00:10.3: Unlink after no-IRQ? Controller is probably
> >>> using the wrong IRQ.
> >
> > That last line is a clue. What interrupt numbers are assigned under
> > 2.6.16? If you unplug the SonyEricsson DCU-11 Cable before booting (and
> > leave it unplugged), what shows up in /proc/interrupts for both versions
> > of the kernel?
>
> See attached, both with the DCU-11 cable disconnected.
>From 2.6.16:
CPU0
0: 16101 XT-PIC timer
1: 148 XT-PIC i8042
2: 0 XT-PIC cascade
7: 0 XT-PIC parport0
9: 0 XT-PIC acpi
10: 151 XT-PIC ehci_hcd:usb1, uhci_hcd:usb4
11: 0 XT-PIC uhci_hcd:usb2, uhci_hcd:usb3
12: 138 XT-PIC i8042
14: 172 XT-PIC ide0
15: 2458 XT-PIC ide1
NMI: 0
ERR: 0
>From 2.6.17:
CPU0
0: 35651 XT-PIC-level timer
1: 129 XT-PIC-level i8042
2: 0 XT-PIC-level cascade
6: 3 XT-PIC-level floppy
7: 0 XT-PIC-level parport0
9: 0 XT-PIC-level acpi
10: 0 XT-PIC-level ehci_hcd:usb1, uhci_hcd:usb4
11: 1940 XT-PIC-level uhci_hcd:usb2, uhci_hcd:usb3, wlan0
12: 162 XT-PIC-level i8042
14: 171 XT-PIC-level ide0
15: 4251 XT-PIC-level ide1
NMI: 0
ERR: 0
There's nothing obviously wrong.
> > Most likely this is a problem with the ACPI subsystem, not a USB problem.
> >
>
> I guessed USB due to the number of USB changes in the -mm series and,
> obviously, my USB devices stopped registering, however, I'd not know one
> from the other ;)
What happens if you boot with "acpi=off" on the boot command line?
Alan Stern
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