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On Sep 8, 2011, at 4:45 PM, Rance Hall <[email protected]> wrote: > On Thu, Sep 8, 2011 at 2:02 PM, James Collins <[email protected]> > wrote: >> Hello, >> Trying to use an external speech synthesizer with virtualbox. >> One thing I noticed. When my serial2usb adaptor is connected. And I look in >> /dev on my computer this is listed: >> >> cu.usbserial-FTKVMAFF >> >> But when I try to open my vm, I get an error: >> >> loctl failed for serial host device '/dev/cu.usbserial-FTKVMAFF' >> (VERR_DEV_IO_ERROR). The device will not work properly. >> > > I assume that the device node was created automagically by udev or > some other type service running on your mac. > > udev makes device nodes like this with specific permissions, and > sometimes they are restrictive because the device node is setup in > such a way that a normal user can not use the device. > > Check the perms on the device and see if the user account you run vbox > as can actually read and write to the device node. If the vbox user > can not use the device node issue a chmod command till the vbox user > can use the device. > > You may also have to chown the device to a new owner:group combination. > > Once you find a owner:group perm set that works with vbox then you > need to configure udev to always make the file node the "right" way. Thanks for the reply I have permission to write to /dev/cu.usbserial-FTKVMAFF I think? I used the cat and echo command to redirect output to /dev/cu.usbserial-FTKVMAFF Successfully? Or do you mean read and write permissions for virtualbox? > > >> And under details- >> >> Error ID:DrvHostSerialFail >> >> And when I look in /dev cu.usbserial-FTKVMAFF >> >> Is gone? >> >> And my settings for my vm are >> >> Ports-->Serial Ports-->Port 1--> >> >> Enable serial port, checked >> Port mode- host device >> Create pipe, unchecked >> Port/file path: /dev/cu.usbserial-FTKVMAFF >> > > Nothing wrong here that I can see. > > Just make sure that the usb device that creates the serial port is not > in a vbox usb filter setting. You want the host to control the usb > device and the guests to access the serial device created on the host. > > It will work with box, I have a similar usb-to-serial device and I got > it to work with vbox just fine. the device you plug into the serial > port really shouldn't matter all that much. > > HTH > > Rance > > ------------------------------------------------------------------------------ > Doing More with Less: The Next Generation Virtual Desktop > What are the key obstacles that have prevented many mid-market businesses > from deploying virtual desktops? How do next-generation virtual desktops > provide companies an easier-to-deploy, easier-to-manage and more affordable > virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/ > _______________________________________________ > VBox-users-community mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/vbox-users-community ------------------------------------------------------------------------------ Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/ _______________________________________________ VBox-users-community mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vbox-users-community
