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

[Jan De Luyck <ml_linuxkernel_20060528@kcore.org>]

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?

Thanks,

Jan
-- 
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