Re: USB device losing power

On 2/25/07, Alan Stern <[email protected]> wrote:
> On Sun, 25 Feb 2007, Guilherme Salgado wrote:
>
> > I had some problems with the 2.6.20 kernel on my distribution and so I
> > wasn't able to test the patch for some time. Fortunately, everything
> > is working now and I'm running 2.6.20 with the patch you provided, and
> > the "can't resume" problem is gone. I can easily reproduce it with the
> > unpatched module loaded, but it never occurred when I had the patched
> > module loaded.
>
> Great!  Can you post the dmesg output with the new patch applied, so I can
> see exactly what it does?
>

Sure thing; here it is.

[ 1036.840000] usb usb5: usb auto-resume
[ 1036.840000] usb usb5: finish resume
[ 1036.840000] hub 5-0:1.0: hub_resume
[ 1036.840000] ehci_hcd 0000:00:1d.7: resume root hub
[ 1036.860000] hub 5-0:1.0: state 7 ports 8 chg 0000 evt 0000
[ 1036.860000] usb usb3: usb auto-resume
[ 1036.860000] usb usb3: finish resume
[ 1036.860000] hub 3-0:1.0: hub_resume
[ 1036.860000] usb usb3: wakeup_rh
[ 1036.900000] hub 3-0:1.0: state 7 ports 2 chg 0000 evt 0000
[ 1036.900000] usb usb4: usb auto-resume
[ 1036.900000] usb usb4: finish resume
[ 1036.900000] hub 4-0:1.0: hub_resume
[ 1036.900000] usb usb4: wakeup_rh
[ 1036.940000] hub 4-0:1.0: state 7 ports 2 chg 0000 evt 0000
[ 1036.940000] usb 4-2: usb auto-resume
[ 1036.972000] uhci_hcd 0000:00:1d.3: ***PORT 2 RESUME ITERATIONS 0:1
[ 1036.972000] uhci_hcd 0000:00:1d.3: port 2 portsc 00a5,01
[ 1036.988000] usb 4-2: finish resume
[ 1036.988000] usb usb2: usb auto-resume
[ 1036.988000] usb usb2: finish resume
[ 1036.988000] hub 2-0:1.0: hub_resume
[ 1036.988000] usb usb2: wakeup_rh
[ 1037.028000] hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0000
[ 1037.028000] usb usb1: usb auto-resume
[ 1037.028000] usb usb1: finish resume
[ 1037.028000] hub 1-0:1.0: hub_resume
[ 1037.028000] usb usb1: wakeup_rh
[ 1037.068000] hub 1-0:1.0: state 7 ports 2 chg 0000 evt 0000
[ 1037.896000] usb usb3: suspend_rh (auto-stop)
[ 1038.024000] usb usb2: suspend_rh (auto-stop)
[ 1038.064000] usb usb1: suspend_rh (auto-stop)
[ 1038.860000] hub 5-0:1.0: hub_suspend
[ 1038.860000] usb usb5: usb auto-suspend
[ 1038.900000] hub 3-0:1.0: hub_suspend
[ 1038.900000] usb usb3: suspend_rh
[ 1038.900000] usb usb3: usb auto-suspend
[ 1038.988000] usb 4-2: usb auto-suspend
[ 1039.028000] hub 2-0:1.0: hub_suspend
[ 1039.028000] usb usb2: suspend_rh
[ 1039.028000] usb usb2: usb auto-suspend
[ 1039.068000] hub 1-0:1.0: hub_suspend
[ 1039.068000] usb usb1: suspend_rh
[ 1039.068000] usb usb1: usb auto-suspend
[ 1041.004000] hub 4-0:1.0: hub_suspend
[ 1041.004000] usb usb4: suspend_rh
[ 1041.004000] usb usb4: usb auto-suspend

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