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From: Vladimir Grebenschikov <vova@fbsd.ru>
To: Mark Hobden <markhobden@gmail.com>
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Subject: Re: uhidev(4) update - USB HID driver level for devices with
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=F7 =D7=D3, 22/07/2007 =D7 20:11 +0100, Mark Hobden =D0=C9=DB=C5=D4:

> Thanks for all the info.
>=20
> I am having trouble reproducing a panic like this here or finding out
> how it gets down a path like this. I am wondering if this only occurs
> on EHCI devices. Hopefully later in the week I will be able to borrow
> some equipment from work to test with here. But do you have  a
> different
> keyboard that you could try out booting on the UHCI controller? If
> that
> works OK it should show me where to look.

I can try to connect same keyboard through USB1 hub, it should be enough
to attach it to UHCI instead of EHCI ? =20

> I'm afraid I don't know about setting dump devices before booting as
> in the past I have always triggered them by attaching hardware after
> the system is booted. <:-|
>=20
> The other problem for you would be that because all the usb modules
> are loaded as modules you need to load them individually into kgdb
> with their start address as described in the link below:
>=20
> http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-kld.h=
tml
>=20
> Which wouldn't be  fun as each time you want to load kgdb you have
> to do this for usb, uhid and ukbd. I find it easier to just compile them
> into the kernel.

Ok, may compile them into kernel, but I still have little trouble with
creating kernel dump while boot - before execution of dumpdev.

Will try to find some comconsole cable or firewire cable.
to do kgdb from remote machine.

> Kind Regards,
> Mark

--=20
Vladimir B. Grebenschikov
vova@fbsd.ru