Re: 2.6.18-rc6-mm2 (-mm1): ohci_hcd does not recognize new devices

[Rafael J. Wysocki]

On Monday, 18 September 2006 08:50, Jan De Luyck wrote:
> On Monday 18 September 2006 08:27, Rafael J. Wysocki wrote:
> > On Saturday, 16 September 2006 10:13, Rafael J. Wysocki wrote:
> > > On Saturday, 16 September 2006 00:13, Rafael J. Wysocki wrote:
> > > > It looks like the ohci_hcd driver sometimes has problems with the
> > > > initialization (eg. USB mouse doesn't work after a fresh boot and
> > > > reloading of the driver helps).
> > > >
> > > > I have observed this on two different x86_64 boxes (HPC 6325, Asus
> > > > L5D), but it is not readily reproducible.  Anyway I've got a dmesg
> > > > output from a failing case which is attached.
> > >
> > > Actually, the problem is ohci_hcd doesn't seem to recognize devices
> > > plugged into the USB ports.
> > >
> > > For example, if I unplug and replug a mouse (that worked before
> > > unplugging), it doesn't work any more.  I have to reload ohci_hcd to make
> > > it work again.
> > >
> > > This is 100% reproducible and occurs on the two boxes above.
> 
> I can confirm this behaviour. I've also seen that sometimes my USB 
> keyboard/mouse doesn't work after booting up. Reloading the module solves the 
> problem.
> 
> This is on an amd64 box, ABIT kn9-sli, nForce 550.
> 
> This is with 2.6.17.13.
> 
> > I have carried out a binary search and found that the problem is caused by
> >
> > gregkh-usb-usbcore-remove-usb_suspend_root_hub.patch
> 
> Will this work against 2.6.17.13 vanilla?

No, this patch is not present in vanilla.

Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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