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

[Zilvinas Valinskas]

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 !

In my case when system boots up - USB mouse is not working. 
If I remove and reinstaer ehci_hcd and ohci_hcd - everything seems fine.

$ ps -C rmmod -o pid,uid,state,wchan=WIDE-WCHAN-COLUMN
  PID   UID S WIDE-WCHAN-COLUMN
 1844     0 D usb_disable_device
 2209     0 D rwsem_down_write_failed


Perhaps that will help ...

On Sat, Mar 20, 2004 at 11:21:08AM +0100, Prakash K. Cheemplavam wrote:
> Hi,
> 
> 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).
> 
> Which infos are needed furthermore?
> 
> Cheers,
> 
> Prakash
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