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

DISCUSSION Ricardo Galli 3 participants 3 messages Apr 25, 2003 – Apr 28, 2003

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#0 lore raw

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

                                                           ^^^^^^^^

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.

It's the same Dell Latitude X200.

BTW, the usb mouse doesn't work with ohci, altough the modules are loaded.

Also, the previously reported "psmouse.c: Lost synchronization" errors disappear by using /dev/input/mouse[01] instead of /dev/psaux and /dev/input/mice.

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  ricardo galli       GPG id C8114D34
#1 lore raw
Quoted 7 lines · Ricardo Galli

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?

Quoted 7 lines

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.

Quoted 3 lines

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

#2 lore raw
Quoted 11 lines · Greg KH
Quoted 7 lines · Ricardo Galli

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.

Quoted 10 lines
Quoted 7 lines

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