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On 2017-02-06 12:02, timo.verhoeven via qubes-users wrote:
> Hi qubes-users!
>
> I'm trying to extract audio from a cd on my qubes (3.2) notebook. After
> reading thru the various pages of the docs section and searching the
> mailing-list, I thought the following setup would be my best option:
>
> * usb-dvd-drive attached to a USB 2 port
> * use a sys-usb vm
> * attach the drive-device via qvm-usb to a target appvm (fedora-24 based)
> * start "sound-juicer" in appvm to extract audio
>
> Unfortunately, I now have to following problem: When I insert a cd into the
> drive, qubes immediately takes control of it, so that sound-juicer can no
> longer access the drive.
>
> I can see, that a /dev/sr0 device pops up in the appvm, which the
> sound-juicer app then tries to access. But qubes attempts to expose the drive
> as a block device makes it unaccessible to sound-juicer.
>
> Is there a way to prevent this? E. g. prevent qubes from exposing a certain
> device in a certain appvm?
>
> Best regards,
> Timo
>
Not sure if this is an option for you, but have you tried running Sound
Juicer in sys-usb?
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Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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