Kernel 2.6.10 and later issues with USB

Magnus Therning magnus at therning.org
Wed Sep 7 20:30:49 BST 2005


On Wed, Sep 07, 2005 at 01:25:00PM -0500, thephotoman wrote:
>Magnus Therning wrote:
>>On Wed, Sep 07, 2005 at 01:22:02AM -0500, thephotoman wrote:
>>>Cybe R. Wizard wrote:
>>>>On Tue, 06 Sep 2005 21:05:54 -0500
>>>>thephotoman <rantman_2000 at yahoo.com> wrote:
>>>>>>That's the kernel I use, too.  Not using Gnome, though, I have to:
>>>>>>sudo gnome-volume-manager  <password>
>>>>>>in a terminal before plugging in my USB stuff and all is cool.
>>>>>>Cybe R. Wizard
>>>>>Nope,  Problem not fixed.
>>>>You do have hal installed?  Cybe R. Wizard
>>>Yeah.  I do.
>>I've had problems with USB storage devices not showing up. The problem
>>was that two host controllers where loaded. If 'lsmod|grep hcd' shows
>>both uhci_hcd and ehci_hcd then try sticking one of them in a file in
>>/etc/hotplug/blacklist.d/ (I chose to blacklist ehci_hcd). Hope it
>>helps.
>>/M
>Having some trouble blacklisting the services.  Could I get a pointer
>on that?

I created the file /etc/hotplug/blacklist.d/local with the following
content:

  # uhci_hcd is the host of choice
  ehci_hcd

I don't think a restart of hotplug will do the trick, you'll have to
reboot.

If you feel a little adventurous you can always use rmmod to remove the
module from a running kernel. I've heard that might cause problems even
though I've never had any, YMMV.

/M

-- 
Magnus Therning                    (OpenPGP: 0xAB4DFBA4)
magnus at therning.org
http://therning.org/magnus

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     -- Hector Louis Berlioz
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