linux-kernel - Re: linux-2.6.30rc1 mouse stuck with usb autosuspend enabled

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Date:	Sun, 19 Apr 2009 15:29:28 +0200
From:	Corrado Zoccolo <czoccolo@...il.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-usb@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
	oliver@...kum.name, Linux-Kernel <linux-kernel@...r.kernel.org>
Subject: Re: linux-2.6.30rc1 mouse stuck with usb autosuspend enabled

On Thu, Apr 16, 2009 at 3:43 PM, Oliver Neukum <oliver@...kum.org> wrote:
> Am Donnerstag 16 April 2009 14:45:12 schrieb Corrado Zoccolo:
> This is not the reliable way to check this. Please compile 2.6.29 with
> CONFIG_USB_DEBUG and post dmesg for a period of inactivity.

Oliver, you were right: 2.6.29 did not attempt at all to suspend the
mouse and its attached hum (2-x):
[   13.587023] uhci_hcd 0000:00:1d.0: reserve dev 2 ep81-INT, period
8, phase 4, 118 us
[   13.590044] uhci_hcd 0000:00:1d.0: release dev 2 ep81-INT, period
8, phase 4, 118 us
[   13.647022] uhci_hcd 0000:00:1d.0: reserve dev 2 ep81-INT, period
8, phase 4, 118 us
[   23.350008] eth0: no IPv6 routers present
[   47.177896] usb usb1: usb resume
[   47.177903] ehci_hcd 0000:00:1d.7: resume root hub
[   47.219020] hub 1-0:1.0: hub_resume
[   47.219368] usb usb3: usb resume
[   47.219375] usb usb3: wakeup_rh
[   47.219390] hub 1-0:1.0: state 7 ports 8 chg 0000 evt 0000
[   47.251011] hub 3-0:1.0: hub_resume
[   47.251162] usb usb4: usb resume
[   47.251165] usb usb4: wakeup_rh
[   47.251174] hub 3-0:1.0: state 7 ports 2 chg 0000 evt 0000
[   47.283014] hub 4-0:1.0: hub_resume
[   47.283155] usb usb5: usb resume
[   47.283159] usb usb5: wakeup_rh
[   47.283250] hub 4-0:1.0: state 7 ports 2 chg 0000 evt 0000
[   47.315013] hub 5-0:1.0: hub_resume
[   47.315273] hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0000
[   48.454020] usb usb3: suspend_rh (auto-stop)
[   48.454039] usb usb4: suspend_rh (auto-stop)
[   48.454055] usb usb5: suspend_rh (auto-stop)
[   49.704028] hub 1-0:1.0: hub_suspend
[   49.704039] usb usb1: bus auto-suspend
[   49.704043] ehci_hcd 0000:00:1d.7: suspend root hub
[   49.704069] hub 3-0:1.0: hub_suspend
[   49.704073] usb usb3: bus auto-suspend
[   49.704076] usb usb3: suspend_rh
[   49.704090] hub 4-0:1.0: hub_suspend
[   49.704093] usb usb4: bus auto-suspend
[   49.704095] usb usb4: suspend_rh
[   49.704108] hub 5-0:1.0: hub_suspend
[   49.704111] usb usb5: bus auto-suspend
[   49.704114] usb usb5: suspend_rh

2.6.30-rc2, instead:
[  189.705618] uhci_hcd 0000:00:1d.0: release dev 2 ep81-INT, period
8, phase 4, 118 us
[  189.708622] usb 2-1: usb auto-suspend
[  192.704031] hub 2-0:1.0: hub_suspend
[  192.704042] usb usb2: bus auto-suspend
[  192.704046] usb usb2: suspend_rh
* mouse click *
[  197.057083] usb usb2: usb resume
[  197.057088] usb usb2: wakeup_rh
[  197.089011] hub 2-0:1.0: hub_resume
[  197.089022] uhci_hcd 0000:00:1d.0: port 1 portsc 01a5,01
[  197.089028] hub 2-0:1.0: port 1: status 0303 change 0004
[  197.089043] hub 2-0:1.0: state 7 ports 2 chg 0002 evt 0000
[  197.089050] uhci_hcd 0000:00:1d.0: port 1 portsc 01a5,01
[  197.089056] usb 2-1: usb wakeup-resume
[  197.089063] usb 2-1: finish resume
[  197.096035] uhci_hcd 0000:00:1d.0: reserve dev 2 ep81-INT, period
8, phase 4, 118 us
[  197.096042] hub 2-0:1.0: resume on port 1, status 0
[  197.096046] hub 2-0:1.0: port 1, status 0303, change 0004, 1.5 Mb/s

Thanks,
Corrado

>
>        Regards
>                Oliver
>
>



-- 
__________________________________________________________________________

dott. Corrado Zoccolo                          mailto:czoccolo@...il.com
PhD - Department of Computer Science - University of Pisa, Italy
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