[Voyage-linux] usb disconnect

[Mike Steinmann]

please check if the USB cable is shielded. try the best shielded, thickest
USB you can find and report whether or not you can reproduce the effect.

2010/1/31 Jon Meek <meekjt at gmail.com>

> That is certainly possible since the error message suggested EMI
> (Electromagnetic Interference):
>
> [25498.971441] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
>
> On Sat, Jan 30, 2010 at 9:29 PM, Johann Wolfgang Goethe
> <jgoethe at gmail.com> wrote:
> > hello,
> >
> > in november i asked for some help with my logitech z-5 loudspeakers
> > and voyage linux.
> > i had the problem that the usb device was disconnected from the bus. i
> > didn't use the alix 2c2 board since than. today i brought the board
> > and the speakers from my livingroom to work. since than it didn't
> > disconnect the usb speakers anymore. the only difference i can see is
> > that in my livingroot i had a basestation from my dect telefon near to
> > it.
> > could it be possible that the disconnect has something todo with the
> > dect phone next to it?
> >
> > thank you very much in advance for your help.
> >
> > [25388.082748] generic-usb 0003:046D:0A13.004E: input: USB HID v1.00
> > Device [Logitech Logitech Z-5 Speakers] on usb-0000:00:0f.4-1/input2
> > [25436.251122] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
> > [25436.252040] usb 2-1: USB disconnect, address 79
> > [25436.467851] usb 2-1: new full speed USB device using ohci_hcd and
> address 80
> > [25436.605078] usb 2-1: configuration #1 chosen from 1 choice
> > [25436.676864] input: Logitech Logitech Z-5 Speakers as
> /class/input/input79
> > [25436.677838] generic-usb 0003:046D:0A13.004F: input: USB HID v1.00
> > Device [Logitech Logitech Z-5 Speakers] on usb-0000:00:0f.4-1/input2
> > [25498.971441] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
> > [25498.972359] usb 2-1: USB disconnect, address 80
> > [25499.188171] usb 2-1: new full speed USB device using ohci_hcd and
> address 81
> > [25499.325339] usb 2-1: configuration #1 chosen from 1 choice
> > [25499.397019] input: Logitech Logitech Z-5 Speakers as
> /class/input/input80
> > [25499.397180] generic-usb 0003:046D:0A13.0050: input: USB HID v1.00
> > Device [Logitech Logitech Z-5 Speakers] on usb-0000:00:0f.4-1/input2
> >
> > _______________________________________________
> > Voyage-linux mailing list
> > Voyage-linux at list.voyage.hk
> > http://list.voyage.hk/mailman/listinfo/voyage-linux
> >
>
> _______________________________________________
> Voyage-linux mailing list
> Voyage-linux at list.voyage.hk
> http://list.voyage.hk/mailman/listinfo/voyage-linux
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://list.voyage.hk/pipermail/voyage-linux/attachments/20100201/e85bc806/attachment-0001.html>