7.0 RC3 and usb problems
Jeremy Chadwick
koitsu at freebsd.org
Tue Feb 26 05:47:24 UTC 2008
On Mon, Feb 25, 2008 at 05:59:27PM -0600, Paul Schmehl wrote:
> [root at utd65257 ~]# kldload umass
> kldload: can't load umass: File exists
> [root at utd65257 ~]# kldstat
> Id Refs Address Size Name
> 1 9 0xc0400000 906518 kernel
> 2 1 0xc0d07000 14324 snd_hda.ko
> 3 2 0xc0d1c000 4a5ac sound.ko
> 4 1 0xc0d67000 6a32c acpi.ko
> 5 1 0xc70a5000 22000 linux.ko
> [root at utd65257 ~]# kldunload umass
> kldunload: can't find file umass
This means umass support is built-in to the kernel.
> Doesn't make much sense to me. I'm not very familiar with how the usb
> system works, so I'm not sure where to look to find the problem. There's
> no /dev/umass either.
For umass devices to work, you need to have uhci (or ohci if your system
uses that USB bus type), ehci (for USB2.0), usb (obvious), and umass.
The kicker is that you also need scbus, da, and possibly pass.
--
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |
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