linux-kernel - Re: dead USB devices after resume [mmotm 2009-02-10-16-35]

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Message-ID: <4992A040.6080302@gmail.com>
Date:	Wed, 11 Feb 2009 10:54:08 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
	Greg KH <gregkh@...e.de>, USB list <linux-usb@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-input@...r.kernel.org
Subject: Re: dead USB devices after resume [mmotm 2009-02-10-16-35]

On 02/11/2009 10:44 AM, Rafael J. Wysocki wrote:
> Please test current mainline, it may be a regression in there.

OK, will do.

> How exactly are the failing devices connected to the box?

There is a hub in the kbd. The mouse and kbd is behind it, I suppose:

/:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/3p, 12M
        |__ Port 1: Dev 3, If 0, Class=HID, Driver=usbhid, 12M
        |__ Port 1: Dev 3, If 1, Class=HID, Driver=usbhid, 12M
        |__ Port 2: Dev 4, If 0, Class=HID, Driver=usbhid, 1.5M
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M

There is also a wheel at 6.3 if 1...

Bus 006 Device 004: ID 045e:00f0 Microsoft Corp.
Bus 006 Device 003: ID 0458:004c KYE Systems Corp. (Mouse Systems) Slimstar Pro
Keyboard
Bus 006 Device 002: ID 04b4:2050 Cypress Semiconductor Corp.
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

I may try to plug the mouse directly to the root hub if it might help anyhow.
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