Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-24 Thread Larry Finger
The problem has been bisected to commit adfa79d entitled "USB: EHCI: make ehci-pci a separate driver". The symptom is that my NVIDIA controller again reverts to unended logging of messages of the form "hub 2-0:1.0: unable to enumerate USB device on port 5". This behavior was previously fixed w

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-25 Thread Alan Stern
On Mon, 24 Dec 2012, Larry Finger wrote: > The problem has been bisected to commit adfa79d entitled "USB: EHCI: make > ehci-pci a separate driver". The symptom is that my NVIDIA controller again > reverts to unended logging of messages of the form "hub 2-0:1.0: unable to > enumerate USB device

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-25 Thread Larry Finger
On 12/25/2012 10:26 AM, Alan Stern wrote: On Mon, 24 Dec 2012, Larry Finger wrote: The problem has been bisected to commit adfa79d entitled "USB: EHCI: make ehci-pci a separate driver". The symptom is that my NVIDIA controller again reverts to unended logging of messages of the form "hub 2-0:1.

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-26 Thread Alan Stern
On Tue, 25 Dec 2012, Larry Finger wrote: > On 12/25/2012 10:26 AM, Alan Stern wrote: > > On Mon, 24 Dec 2012, Larry Finger wrote: > > > >> The problem has been bisected to commit adfa79d entitled "USB: EHCI: make > >> ehci-pci a separate driver". The symptom is that my NVIDIA controller again > >>

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-26 Thread Larry Finger
On 12/26/2012 10:45 AM, Alan Stern wrote: I see. Do you happen to have CONFIG_USB_EHCI_HCD=y and CONFIG_USB_EHCI_PCI=m in your .config? If you do, try changing EHCI_PCI to y. No, they are both "m". My configuration parameters with EHCI in them are CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB_EHCI_

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-26 Thread Larry Finger
On 12/26/2012 10:45 AM, Alan Stern wrote: I see. Do you happen to have CONFIG_USB_EHCI_HCD=y and CONFIG_USB_EHCI_PCI=m in your .config? If you do, try changing EHCI_PCI to y. One additional data point: When the EHCI and HCD parameters are set to y rather than m as in the list that follows,

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-26 Thread Alan Stern
On Wed, 26 Dec 2012, Larry Finger wrote: > On 12/26/2012 10:45 AM, Alan Stern wrote: > > > > I see. Do you happen to have CONFIG_USB_EHCI_HCD=y and > > CONFIG_USB_EHCI_PCI=m in your .config? If you do, try changing > > EHCI_PCI to y. > > One additional data point: When the EHCI and HCD paramete

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-27 Thread Larry Finger
On 12/26/2012 09:56 PM, Alan Stern wrote: This looks like a matter of getting modules to load in the right order. Apparently your OHCI controller doesn't work right if the EHCI driver isn't present. Before the troublesome commit, this meant ehci-hcd had to be loaded before ohci-hcd. Now it mean

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-27 Thread Alan Stern
On Thu, 27 Dec 2012, Larry Finger wrote: > I could not do exactly the experiment that you wanted, as ehci-hcd was loaded > even though it was blacklisted. Rather than solve that problem, I generated a > kernel from just before commit adfa79d with ohci-hcd built in and ehci-hcd as > a > module.

Re: Regression in kernel 3.8-rc1 bisected to commit adfa79d: I now get many "unable to enumerate USB device" messages

2012-12-27 Thread Larry Finger
On 12/27/2012 05:18 PM, Alan Stern wrote: On Thu, 27 Dec 2012, Larry Finger wrote: I could not do exactly the experiment that you wanted, as ehci-hcd was loaded even though it was blacklisted. Rather than solve that problem, I generated a kernel from just before commit adfa79d with ohci-hcd bui