In message <200512051035.14211.dtyson@liv.ac.uk>, Dave Tyson writes:
>On Friday 02 December 2005 19:36, you wrote:
>> On Thu, Dec 01, 2005 at 11:56:57PM -0600, Tracy Di Marco White wrote:
>> > I've got a new Dell GX620 that I installed NetBSD 3.0_BETA on
>> > November 17th.  I directly installed GENERIC.MPACPI because
>> > the machine has hyperthreading.  After some fiddling with
>> > the USB ports today, and having them just quit responding after
>> > moving things around, I tried a GENERIC kernel.  The GENERIC
>> > kernel doesn't even see all the hubs, in particular the one
>> > the keyboard and mouse are connected to, and not surprisingly,
>> > the GENERIC.MP kernel also doesn't see the keyboard or mouse.
>> > GENERIC.MPACPI does see the keyboard and mouse, at least
>> > initially, and if nothing gets removed or changed.
>> >
>> > And, as an additional problem, I can't drop into the debugger
>> > from the display from the GENERIC.MPACPI kernel now.  (I don't
>> > know if that's true for the other kernels, as I have no keyboard
>> > to type control-alt-esc with.)
>> >
>> > I tried a current GENERIC kernel, and the keyboard and mouse,
>> > and all the hubs are found properly.  I haven't yet tried
>> > getting into the debugger, because at this point I was remote.
>> >
>> > The machine has no PS/2 ports.  Anyone know which changes to
>> > the USB drivers need to be pulled up?  I can test them easily
>> > enough.
>>
>> This is one of the set:
>>
>> /sys/dev/usb/ehci.c:
>>   revision 1.106
>>   date: 2005/11/20 14:27:25;  author: augustss;  state: Exp;  lines: +19
>> -12 Keep a flag for each port that keeps track of if the port has been
>> reset instead of having one flag for the controller.
>>
>>   Also, don't try to modify read-only power bits if the controller doesn't
>>   support power cobntrol.
>>
>> That at least gives the time.. and
>> usb/ehci.c
>> usb/ehcireg.h
>> usb/ehcivar.h
>> pci/ehci_pci.c
>>
>> those were the files..
>>
>> Cheers,
>>
>> Patrick
>
>I encountered that same problem booting 3.0_RC5 on a GX620. I rebuilt the 
>release kernels with:
>
>usb/ehcireg.h    version1.23 2005/11/20 18:36:20 augustss Exp
>
>and hacked 
>pci/ehci_pci.c  to include the ehci_get_ownership code from the 1.21 version
>
>This fixes the problem and doesn't seem to break anything else. This needs to 
>be pulled up before 3.0 is released. I'll send-pr it later today unless 
>someone has already done it.

I built a GENERIC kernel with usb/ehcireg.h at 1.23 & pci/ehci_pci.c at
1.21, and now I have working hot pluggable usb.  I still can't drop
into the debugger, not even with a GENERIC current kernel, I'd been
hoping they were related somehow.  I'll ask on current-users.

-Tracy