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

Max Krasnyansky (maxk@qualcomm.com)
Mon, 28 Apr 2003 11:49:42 -0700


At 09:35 PM 4/26/2003, Greg KH wrote:
>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?
btw I get that error too with Bluetooth device on my Compaq laptop.
2.4.21-rc1 works fine.

>> 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.
So you guys know about it. I was going sent a note on usb list.
'modprobe -r uhci-hcd' totally kills the machine.

Max

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