Re: Tool to enable USB power management

["Stephen J. Gowdy" <gowdy@xxxxxxx>]

No, I've not used it for a while. I did install drivers for it at first 
but I didn't find it dependable enough. You could see from the usbtree 
output there is/was no driver loaded for it.

On Wed, 25 Feb 2009, Sarah Sharp wrote:

> On Wed, Feb 25, 2009 at 01:47:53PM +0100, Stephen J. Gowdy wrote:
> > > Am Mittwoch 25 Februar 2009 13:31:31 schrieb Stephen J. Gowdy:
> > > > Okay, after setting that and upgrading to 2.6.28.7 these two devices;
> > > >
> > > >       1  Bus 001 Device 006: ID 03f0:2424 Hewlett-Packard LP1965 19"
> > > > Monitor Hub
> > > >       2  Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501
> > > > Fingerprint Sensor
> > > >
> > > > show;
> > > >
> > > > -----
> > > > Enabling auto-suspend.  Waiting for device activity to cease...
> > > >
> > > > Device still active, test inconclusive.
>
> Usually that means some other program is trying to use the device while
> you're running the test.  (Perhaps some message about "don't use this
> device yet" would be helpful?)
>
> In the case of the monitor hub, you have 3 USB devices attached whose
> drivers don't support autosuspend.  That hub will never auto-suspend
> because the devices below it in the tree are still active.  That doesn't
> matter much because we haven't found many hubs that break when
> auto-suspended.
>
> I'm not sure why the fingerprint reader doesn't autosuspend.  Do you
> have it set up to scan your print for things like lib-pam-ssh?  Or were
> you using it with a program like thinkfinger?
>
> Sarah Sharp
>
> > > > Other output that might be interesting (the HP Module was offered as a
> > > > test option before enabling USB_POWER);
> > > >
> > > > You will not be able to test these devices on your system:
> > > > Bus 001 Device 005: ID 058f:6362 Alcor Micro Corp. Hi-Speed 21-in-1
> > > > Flash
> > > > Card Reader/Writer (Internal/External)
> > > >            drivers without auto-suspend support:  usb-storage
> > > > Bus 001 Device 003: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640
> > > > USB-2.0 "TetraHub"
> > > >            drivers without auto-suspend support:  usb-storage
> > > > usb-storage
> > > >      Bus 001 Device 004: ID 057b:0000 Y-E Data, Inc. FlashBuster-U
> > > > Floppy
> > > >            drivers without auto-suspend support:  usb-storage
> > > > Bus 003 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth +
> > > > WLAN) Interface [Integrated Module]
> > > >            drivers without auto-suspend support:  btusb btusb
>
> > > Number #2 is odd. Can you post "lsusb -t"?
> > >
> > > 	Regards
> > > 		Oliver
> > [antonia] ~ > lsusb -t
> > Bus#  7
> > `-Dev#   1 Vendor 0x1d6b Product 0x0001
> > Bus#  6
> > `-Dev#   1 Vendor 0x1d6b Product 0x0001
> > Bus#  5
> > `-Dev#   1 Vendor 0x1d6b Product 0x0001
> >   `-Dev#   2 Vendor 0x08ff Product 0x2580
> > Bus#  4
> > `-Dev#   1 Vendor 0x1d6b Product 0x0001
> > Bus#  3
> > `-Dev#   1 Vendor 0x1d6b Product 0x0001
> >   `-Dev#   2 Vendor 0x03f0 Product 0x171d
> > Bus#  2
> > `-Dev#   1 Vendor 0x1d6b Product 0x0002
> > Bus#  1
> > `-Dev#   1 Vendor 0x1d6b Product 0x0002
> >   `-Dev#   3 Vendor 0x04b4 Product 0x6560
> >     |-Dev#   4 Vendor 0x057b Product 0x0000
> >     |-Dev#   5 Vendor 0x058f Product 0x6362
> >     `-Dev#   6 Vendor 0x03f0 Product 0x2424
> >
> > or similarly;
> >
> > [antonia] ~ > ./unix/htdocs/usbtree
> > /: Bus 07.Port 1: Dev 1, Class=root_hub, Drv=uhci_hcd/2p, 12M
> > /: Bus 06.Port 1: Dev 1, Class=root_hub, Drv=uhci_hcd/2p, 12M
> > /: Bus 05.Port 1: Dev 1, Class=root_hub, Drv=uhci_hcd/2p, 12M
> >     |_ Port 2: Dev 2, If 0, Prod=Fingerprint Sensor, Class=vend., Drv=none, 12M
> > /: Bus 04.Port 1: Dev 1, Class=root_hub, Drv=uhci_hcd/2p, 12M
> > /: Bus 03.Port 1: Dev 1, Class=root_hub, Drv=uhci_hcd/2p, 12M
> >     |_ Port 1: Dev 2, If 0, Prod=HP Integrated Module, Class=unk., Drv=btusb, 12M
> >     |_ Port 1: Dev 2, If 1, Prod=, Class=unk., Drv=btusb, 12M
> >     |_ Port 1: Dev 2, If 2, Prod=, Class=vend., Drv=none, 12M
> >     |_ Port 1: Dev 2, If 3, Prod=, Class=app., Drv=none, 12M
> > /: Bus 02.Port 1: Dev 1, Class=root_hub, Drv=ehci_hcd/6p, 480M
> > /: Bus 01.Port 1: Dev 1, Class=root_hub, Drv=ehci_hcd/4p, 480M
> >     |_ Port 2: Dev 3, If 0, Prod=, Class=hub, Drv=hub/4p, 480M
> >         |_ Port 1: Dev 4, If 0, Prod=USB Floppy Drive, Class=stor., Drv=usb-storage, 12M
> >         |_ Port 2: Dev 5, If 0, Prod=Mass Storage Device, Class=stor., Drv=usb-storage, 480M
> >         |_ Port 4: Dev 6, If 0, Prod=, Class=hub, Drv=hub/4p, 480M
> >
> >
> > On Wed, 25 Feb 2009, Oliver Neukum wrote:
> >
> > > Am Mittwoch 25 Februar 2009 13:31:31 schrieb Stephen J. Gowdy:
> > > > Okay, after setting that and upgrading to 2.6.28.7 these two devices;
> > > >
> > > >       1  Bus 001 Device 006: ID 03f0:2424 Hewlett-Packard LP1965 19"
> > > > Monitor Hub
> > > >       2  Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501
> > > > Fingerprint Sensor
> > > >
> > > > show;
> > > >
> > > > -----
> > > > Enabling auto-suspend.  Waiting for device activity to cease...
> > > >
> > > > Device still active, test inconclusive.
> > >
> > > Number #2 is odd. Can you post "lsusb -t"?
> > >
> > > 	Regards
> > > 		Oliver
> >
> > --
> >  /------------------------------------+-------------------------\
> > |Stephen J. Gowdy                     | CERN       Office: 8-1-11|
> > |http://cern.ch/gowdy/                | CH-1211 Geneva 23        |
> > |                                     | Switzerland              |
> > |EMail: gowdy@xxxxxxx                 | Tel: +41 76 487 2215     |
> >  \------------------------------------+-------------------------/

--
 /------------------------------------+-------------------------\
|Stephen J. Gowdy                     | CERN       Office: 8-1-11|
|http://cern.ch/gowdy/                | CH-1211 Geneva 23        |
|                                     | Switzerland              |
|EMail: gowdy@xxxxxxx                 | Tel: +41 76 487 2215     |
 \------------------------------------+-------------------------/