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SubjectRe: USB disconnects every 30 seconds (2.6.27-rc8)
On Sun, 5 Oct 2008, Dave Hansen wrote:

> On Sat, 2008-10-04 at 14:12 -0400, Alan Stern wrote:
> > > Oct 3 16:01:59 nimitz kernel: [ 180.273883] usb usb7: opened by process 6485: hald-addon-usb-
> > > Oct 3 16:01:59 nimitz kernel: [ 180.273894] usb usb7: usbdev_ioctl: CONNECTINFO
> > > Oct 3 16:01:59 nimitz kernel: [ 180.273935] usb usb7: opened by process 6485: hald-addon-usb-
> > > Oct 3 16:01:59 nimitz kernel: [ 180.273940] usb usb7: usbdev_ioctl: IOCTL
> > > Oct 3 16:01:59 nimitz kernel: [ 180.392126] usb 3-4: opened by process 6485: hald-addon-usb-
> > > Oct 3 16:01:59 nimitz kernel: [ 180.393185] usb 3-4.3: USB disconnect, address 16
> > > Oct 3 16:01:59 nimitz kernel: [ 180.393191] usb 3-4.3.4: USB disconnect, address 17
> > > Oct 3 16:01:59 nimitz kernel: [ 180.437913] usb 3-4.3: new high speed USB device using ehci_hcd and address 18
> > > Oct 3 16:01:59 nimitz kernel: [ 180.494705] usb 3-4.3: configuration #1 chosen from 1 choice
> > > Oct 3 16:01:59 nimitz kernel: [ 180.495101] hub 3-4.3:1.0: USB hub found
> > > Oct 3 16:01:59 nimitz kernel: [ 180.495409] hub 3-4.3:1.0: 4 ports detected
> > > Oct 3 16:01:59 nimitz kernel: [ 180.600101] usb 3-4: usbdev_ioctl: CONNECTINFO
> > > Oct 3 16:01:59 nimitz kernel: [ 180.600144] usb usb3: opened by process 6485: hald-addon-usb-
> > > Oct 3 16:01:59 nimitz kernel: [ 180.600147] usb usb3: usbdev_ioctl: CONNECTINFO
> > > Oct 3 16:01:59 nimitz kernel: [ 180.600167] usb 3-4: opened by process 6485: hald-addon-usb-
> > > Oct 3 16:01:59 nimitz kernel: [ 180.600170] usb 3-4: usbdev_ioctl: IOCTL
> >
> > Without a usbmon log, I can't tell what may still be going wrong.
>
> This log should have recorded what was going on there. Was there
> something else that I should be capturing with usbmon that I missed?
>
> http://sr71.net/~dave/linux/1.mon.out

That file is the usbmon log from back on Friday. I need to see the
usbmon log you get with the timing fix installed. Was that not clear?
Without the log, I can't tell why the disconnects continue to occur
even though the timing fix should have eliminated them.

Alan Stern



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