linux-kernel - Re: broken access to a USB HID device after suspend

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Message-ID: <Pine.LNX.4.44L0.0803181522180.18346-100000@netrider.rowland.org>
Date:	Tue, 18 Mar 2008 15:24:33 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Tino Keitel <tino.keitel@....de>
cc:	Jiri Kosina <jkosina@...e.cz>, <linux-kernel@...r.kernel.org>,
	<linux-usb@...r.kernel.org>
Subject: Re: broken access to a USB HID device after suspend

On Tue, 18 Mar 2008, Tino Keitel wrote:

> Hi again,
> 
> I now have CONFIG_USB_DEBUG enabled, and the bug occurred again. Here
> is the kernel log:
> 
> 2008-03-18_19:08:50.59598 kern.debug: usb usb3: usb auto-resume
> 2008-03-18_19:08:50.59606 kern.debug: usb usb3: wakeup_rh
> 2008-03-18_19:08:50.62971 kern.debug: hub 3-0:1.0: hub_resume
> 2008-03-18_19:08:50.62977 kern.debug: hub 3-0:1.0: state 7 ports 2 chg 0000 evt 0000
> 2008-03-18_19:08:50.62994 kern.debug: usb usb4: usb auto-resume
> 2008-03-18_19:08:50.62998 kern.debug: usb usb4: wakeup_rh
> 2008-03-18_19:08:50.66637 kern.debug: hub 4-0:1.0: hub_resume
> 2008-03-18_19:08:50.66644 kern.debug: hub 4-0:1.0: state 7 ports 2 chg 0000 evt 0000
> 2008-03-18_19:08:50.66662 kern.debug: usb usb2: usb auto-resume
> 2008-03-18_19:08:50.66666 kern.debug: usb usb2: wakeup_rh
> 2008-03-18_19:08:50.70342 kern.debug: hub 2-0:1.0: hub_resume
> 2008-03-18_19:08:50.70348 kern.debug: hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0000
> 2008-03-18_19:08:51.84851 kern.debug: usb usb3: suspend_rh (auto-stop)
> 2008-03-18_19:08:51.84858 kern.debug: usb usb4: suspend_rh (auto-stop)
> 2008-03-18_19:08:51.84862 kern.debug: usb usb2: suspend_rh (auto-stop)
> 2008-03-18_19:08:53.34640 kern.debug: hub 3-0:1.0: hub_suspend
> 2008-03-18_19:08:53.34646 kern.debug: usb usb3: bus auto-suspend
> 2008-03-18_19:08:53.34650 kern.debug: usb usb3: suspend_rh
> 2008-03-18_19:08:53.34654 kern.debug: hub 4-0:1.0: hub_suspend
> 2008-03-18_19:08:53.34658 kern.debug: usb usb4: bus auto-suspend
> 2008-03-18_19:08:53.34662 kern.debug: usb usb4: suspend_rh
> 2008-03-18_19:08:53.34666 kern.debug: hub 2-0:1.0: hub_suspend
> 2008-03-18_19:08:53.34670 kern.debug: usb usb2: bus auto-suspend
> 2008-03-18_19:08:53.34674 kern.debug: usb usb2: suspend_rh
> 2008-03-18_19:09:00.70316 kern.debug: usb 1-1.3: hidmon timed out on ep0in len=0/9
> 2008-03-18_19:09:00.70322 kern.debug: usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd hidmon rqt 129 rq 6 len 9 ret -110
> 2008-03-18_19:09:00.70339 kern.debug: usb 1-1.3: manual set_interface for iface 0, alt 0

This isn't enough.  I need the log starting from before the suspend,
including _all_ the kernel messages, not just the debugging messages.  
I also need the usbmon trace.

Alan Stern

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