linux-image-2.6.28-11-generic modularity

Andres Freund andres at
Mon Apr 6 10:58:58 BST 2009


On 04/05/2009 11:23 AM, Scott James Remnant wrote:
> On Fri, 2009-04-03 at 22:18 +0200, Nikias Bassen wrote:
>> I'm currently testing jaunty running kernel 2.6.28-11-generic. I'm having
>> some issues with my usb-2.0 hardware (hardware defect) so I wanted to unload
>> ehci-hcd (because usb1.1 is running flawlessly), but I noticed it's compiled
>> in. Is there a reason why *hci_hcd are compiled in? Would be nice if this
>> could be changed again like it was in previos ubuntu kernels.
> All of the USB Host Controller Drivers are compiled into the kernel
> because there are strict ordering requirements between them that can
> only be guaranteed by compiling in.
Any references?

This is a bit annoying because quite many laptops work fine without the 
*_hcd modules - and use quite a bit more power with them loaded (3-5w on 
my T500)
(Which by itself could be considered a bug...)


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