[vbox-dev] HGCM for USB2.0 required?

[Klaus Espenlaub]

On 04.08.2011 19:43, Ribhi Kamal wrote:
> I applied the changes from http://www.virtualbox.org/changeset/37752
> and now it works, thanks!

This makes no sense to me... applying a tiny isolated fix and still 
going on without fixing the large number of much more severe ones we 
addressed later. What's preventing you from going to 4.0.12?

Klaus


> On Thu, Aug 4, 2011 at 1:24 PM, Klaus Espenlaub
> <klaus.espenlaub at oracle.com <mailto:klaus.espenlaub at oracle.com>> wrote:
>
>     On 04.08.2011 01:43, Ribhi Kamal wrote:
>
>         Is there a special compile-config option that I have to enable
>         inorder
>         to get USB 2.0 working? vboxmange list extpacks shows that my
>         extension
>         pack is installed and usable, and I'm not getting any runtime
>         errors or
>         even warnings.
>
>         I've been trouble shooting this problem for two days now and I only
>         managed to isolate the problem to VBoxC.dll. The only way I was
>         able to
>         get USB 2.0 to work is by replacing my VBoxC.dll with the one
>         packaged
>         with the virtualbox install.
>
>         Here is my info:
>         VirtualBox 4.0.4 -- Self Compiled
>         Windows 7 x64
>
>
>     Early VirtualBox 4.0 source code had a bug where a self-compiled
>     package would not be able to enable USB 2.0.
>
>     I suspect this is what happens here - 4.0.4 is quite old and has
>     this bug. Try 4.0.12.
>
>     Klaus
>
>
>         Thanks!
>
>         On Wed, Aug 3, 2011 at 5:54 AM, Vitali Pelenjow
>         <Vitali.Pelenjow at oracle.com <mailto:Vitali.Pelenjow at oracle.com>
>         <mailto:Vitali.Pelenjow at __oracle.com
>         <mailto:Vitali.Pelenjow at oracle.com>>> wrote:
>
>             No, HGCM is not required for USB2.0.
>
>             You get the HGCM error, because the services (SharedFolders,
>             GuestProperties) were not loaded.
>             But this does not affect USB 2.0 at all.
>
>             Vitali.
>
>             Ribhi Kamal wrote:
>
>                 Hi all,
>                 Is the HGCM service required in order for USB 2.0 to work?
>
>                 For some reason USB 2.0 doesn't work with my build and
>         the only
>                 error messages that I see in the machine log is the
>         following:
>                 00:09:31.144 ERROR [COM]: aRC=E_UNEXPECTED (0x8000ffff)
>                 aIID={515e8e8d-f932-4d8e-9f32-____79a52aead882}
>                 aComponent={Console} aText={The service call failed with the
>                 error VERR_HGCM_SERVICE_NOT_FOUND}, preserve=false
>                 Attached is the complete log.
>
>                 Thanks!
>                 --
>                 -- Ribhi
>
>
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>
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>         <http://vbox.innotek.de/__mailman/listinfo/vbox-dev>
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>
>
>
>
>
>         --
>         -- Ribhi
>
>
>
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>
>
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>
>
>
>
> --
> -- Ribhi


-- 
Oracle <http://www.oracle.com>
Dr. Klaus Espenlaub | Snr. Manager Software Development Desktop
Virtualization
Phone: +49 7151 60405 205 <tel:+49715160405205>
Oracle VM VirtualBox

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