From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 9 May 2001 13:00:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 9 May 2001 13:00:14 -0400 Received: from Hell.WH8.TU-Dresden.De ([141.30.225.3]:52744 "EHLO Hell.WH8.TU-Dresden.De") by vger.kernel.org with ESMTP id ; Wed, 9 May 2001 13:00:03 -0400 Message-ID: <3AF9778F.B551ADFF@delusion.de> Date: Wed, 09 May 2001 18:59:59 +0200 From: "Udo A. Steinberg" Organization: Disorganized X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.4-ac6 i686) X-Accept-Language: en, de MIME-Version: 1.0 To: Linux Kernel Subject: USB Problem with reenabling hub Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I have an USB hub built into my monitor (Eizo T761) which disconnects and powers down the hub when the monitor gets switched off. After switching it back on, a problem occurs with reenabling the ports on that USB hub. The kernel output follows. Comments anyone? Regards, Udo. [Detect USB Ports on mainboard] usb.c: registered new driver usbdevfs usb.c: registered new driver hub PCI: Found IRQ 9 for device 00:04.2 PCI: The same IRQ used for device 00:04.3 PCI: The same IRQ used for device 00:09.0 PCI: The same IRQ used for device 00:09.1 PCI: The same IRQ used for device 00:0d.0 uhci.c: USB UHCI at I/O 0xd400, IRQ 9 usb.c: new USB bus registered, assigned bus number 1 hub.c: USB hub found hub.c: 2 ports detected PCI: Found IRQ 9 for device 00:04.3 PCI: The same IRQ used for device 00:04.2 PCI: The same IRQ used for device 00:09.0 PCI: The same IRQ used for device 00:09.1 PCI: The same IRQ used for device 00:0d.0 uhci.c: USB UHCI at I/O 0xd000, IRQ 9 usb.c: new USB bus registered, assigned bus number 2 hub.c: USB hub found hub.c: 2 ports detected [Detect USB HUB in monitor] hub.c: USB new device connect on bus1/1, assigned device number 2 hub.c: USB hub found hub.c: 5 ports detected hub.c: USB new device connect on bus1/1/1, assigned device number 3 usb.c: USB device 3 (vend/prod 0x56d/0x2) is not claimed by any active driver. hub.c: USB new device connect on bus2/2, assigned device number 2 hub.c: USB hub found hub.c: 4 ports detected [switch monitor off] usb.c: USB disconnect on device 2 usb.c: USB disconnect on device 3 [switch monitor back on] hub.c: USB new device connect on bus1/1, assigned device number 4 usb.c: USB device not accepting new address=4 (error=-110) hub.c: USB new device connect on bus1/1, assigned device number 5 usb.c: USB device not accepting new address=5 (error=-110)