On Fri, Oct 15, 2010 at 8:44 AM, Clemens Ladisch wrote:
There's nothing like knowing fully what one's talking about. Very
informative, Clemens, as usual. Thanks a lot!
One caveat, though: ehci_hcd is built into the stock kernel both in
Fedora Core 12 and Ubuntu Lucid. So, if you want to disable USB 2.0
for some of your devices you'll have to unbind them (and from the
darkness free them ;-) .)
# cd /sys/bus/pci/drivers/ehci_hcd/
# echo -n 0000:03:00.2 > unbind
Ta-dah! jackd through a 1.x-fied USB 2.0 hub.
OTPS: So what's with this worrying recurring fad of compiling modules
into the kernel? Ubuntu did it with acpi-cpufreq too and screwed with
the possibility of using linux-phc to undervolt your CPU and quieting
down your fans. :-(
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