On Fri, May 30, 2008 at 11:03 AM, NoOp <[EMAIL PROTECTED]> wrote: > On 05/30/2008 02:11 AM, Michael Thayer wrote: > > Hello NoOp, > > > > I'm afraid not, because Linux is not really used to handling the > > situation that drivers for a device "come and go", so it doesn't > > re-attach the old driver when VirtualBox (and the Windows driver inside > > of it) releases the printer. Unplugging and replugging the printer > > should also do the trick if that is any better for you than switching it > > on and off. > > > > Regards, > > > > Michael > > Interesting & thanks for the info. After a bit more experimenting I did > find that if I leave VB & the VM running, but just unchecking the device > via Devices|USB Devices and then turning the printer on/off, the port is > returned to use by linux. I can then do the reverse to return it to the > VM. So I have to wonder if there is something in the the VB code or > /etc/init.d/mountdevsubfs.sh that could possibly be modified to release > the port properly. Perhaps similar to ifup/ifdown etc for a networking > port.
This is because VirtualBox captures the USB device. Both the host and guest cannot share the printer. > > > > > > > NoOp wrote: > >> I have VB 1.5.6 running on Ubuntu 7.10 with a Win2KPro VM. USB is > >> working but I have one problem that hopefully there is an easy solution. > >> > >> I have a Canon USB MP750 printer that I use with Ubuntu. Works well, but > >> there are a few features that are not fully available w/linux. When I > >> connect the printer in VB/VM Windows 2KPro by enabling the printers USB > >> filter, the printer connnects and works just fine. > >> > >> Problem: As long VB is open, I can no longer access the printer from > >> linux & cups; print jobs are held. That's OK too & I guess to be > >> expected. But when I disconnect the USB port from within VB using > >> Devices|USB Devices (uncheck the box), VB does not release the USB port. > >> The device status box shows as unchecked/connected, but the port is not > >> getting released. The only way that I can get the port back in > >> linux/cups is to: 1) close down the VM, 2) exit VB, and then 3) turn the > >> printer on/off. > >> > >> Is there a workaround to get VB to release the USB port? > > > _______________________________________________ > vbox-users mailing list > [email protected] > http://vbox.innotek.de/mailman/listinfo/vbox-users > -- Seth Keiper @ C-WD.NET [EMAIL PROTECTED] http://www.c-wd.net http://c-wd.net/GetFireFox/
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