Re: Linux 2.6.5-rc2, hotplug and ohci-hcd issue

Prakash K. Cheemplavam
2004-03-20T19:12:34Z

Zilvinas Valinskas wrote:
> Exactly the same here on Debian/Unstable 2.6.5-rc2.
>
> Though I can't say it locks up on. Remove modules manually
> rmmod ehci_hcd
> rmmod ohci_hcd
>
> Usually it takes some time and eventually rmmod returns successfully
> removing modules !
[snip]

You could also try to run /etc/hotplug/usb.rc stop and
/etc/hotplug/usb.rc start in case you have those scripts.

> On Sat, Mar 20, 2004 at 11:21:08AM +0100, Prakash K. Cheemplavam wrote:
>>
>>it already started with 2.6.5-rc1: On shutdown/reboot when hotplug
>>service stops, it hangs. I found out that hotplug has trouble in
>>removing ohci-hcd module, ie, it doesn't seem to work. killall -9 rmmod
>>doesn't remove that process, neither. (Module unloading is in the kernel).

I maybe found something: I compiled "force module unloading" into
kernel, and now it doesn't seem to hang, though I don't understand why
it should make a difference, as nothing is forced. I have to test a bit
more.

Prakash