Re: BUG: 2.5.68 uhci: host controlled halted and then kills the kernel

[Greg KH]

On Fri, Apr 25, 2003 at 11:14:13PM +0200, Ricardo Galli wrote:
> Sorry, again me :-(
> 
> Playing aroung with the mouse, I've got the following error:
> 
> usb 1-1: USB disconnect, address 2
> drivers/usb/host/uhci-hcd.c: 8800: host controller halted. very bad
>                                                            ^^^^^^^^

Do you get this error when running 2.4.21-rc1 when using the uhci.o
driver?

> hub 1-0:0: debounce: port 1: delay 100ms stable 4 status 0x301
> ...
> 
> 
> The USB didn't wok anymore, then I stopped hotplug and the system died 
> just after the message "Stopping hotplug subsystem" appeared in the 
> konsole.

That's because there's a nasty bug you hit when unloading the usb host
controller driver.

> It's the same Dell Latitude X200.
> 
> BTW, the usb mouse doesn't work with ohci, altough the modules are loaded.

That's because you probably do not have the ohci hardware :)

thanks,

greg k-h