Bug#333052: uhci_hcd unknown symbol errors

["C.Y.M" <syphir@syphir.sytes.net>]

Marco d'Itri wrote:
> reassign 333052 linux-2.6
> retitle 333052 race in the modules loader?
> thanks
> 
> On Oct 10, "C.Y.M" <syphir@syphir.sytes.net> wrote:
> 
> 
>>When using udev with linux kernel 2.6.14-rc3, I get the following error during
>>system boot.  Plug and Play ACPI support in the kernel is loading uhci_hcd just
>>fine, but it appears udev is attempting to load it prior to ACPI causing the
>>unknown symbol errors.
> 
> This randomly happens for other modules too. Looks like some race is hit
> when you try to modprobe a lot of modules at the same time.
> 
> (BTW, can you clarify how ACPI is related to autoloading hcds?)
> 

The "Plug and Play ACPI" kernel config option allows the kernel to autodetect
built-in mainboard resources (including usb and parallel port).  When I
blacklist uhci_hcd in udev, the module is then loaded by the plug and play option.

Best Regards.