On Thu, Jul 14, 2022 at 4:53 PM Mark Knecht <
[email protected]> wrote:
On Thu, Jul 14, 2022, 4:25 PM Wol <[email protected]> wrote:
On 14/07/2022 18:42, Mark Knecht wrote:
If instead I'm in Linux with a Win10 VM running I can run the same software in the VM, and it will always see the external DSP when first started, but at random times, generally 5-20 seconds but never more
than
5 minutes, the software will tell me the USB connection has been interrupted and I am forced in the software to reestablish a
connection.
I am always able to reconnect but I am so far unable to keep it
connected.
Is there a setting in VB to say "take over the USB port"? ISTR something
of the sort, which would basically let Win10 take over the port and
drive it, with linux out of the picture.
Don't trust me on this, I don't play with USB and it's ages since I stumbled across this, but it's worth taking a look.
Cheers,
Wol
Good questions. I'm not sure with USB. As I understand it there
are options in Virtualbox to pass through complete pieces of hardware.
I've read that people do this with complete graphics cards. In theory possibly it could be done with USB but my guess is it might be
difficult as most USB controllers are part of the chipset. Still, it's
worth
some study.
As this DSP processor is identified as an audio device I wondered
today if possibly pulseaudio might be trying to grab it. I intend to
look into configuring PA not to touch it.
There's also (possibly) blacklisting certain USB device IDs. In the
VM I configured it to understand the device ID and hook to it.
Possibly I can tell the Linux USB stack to ignore this device so that
PA or some other part of the system just stays away.
But being that the DSP device is an guitar amplifier modeler
and my new Tele came back from my guitar tech at lunchtime
I spent the afternoon playing the guitar! Nonproductive but fun!
Thanks for the ideas,
Mark
More or less solved this morning apparently. We'll see after more time
has elapsed.
My desktop environment is KDE. MY sound environment is then, by
default, pulseaudio. By disabling the DSP processor as a sound
device in KDE System Settings I've now been running the VM
and support software for about 90 minutes with only 1 disconnection
which came the very first time I did something in KDE (started a
new chrome window) after starting the control software in the VM.
Since then I have had no more disconnections.
I will have to see how it does over the rest of the day and weeks
ahead but it's certainly acting better right now.
Cheers,
Mark
<div dir="ltr"><br><br>On Thu, Jul 14, 2022 at 4:53 PM Mark Knecht <<a href="mailto:
[email protected]">
[email protected]</a>> wrote:<br>><br>><br>><br>><br>> On Thu, Jul 14, 2022, 4:25 PM Wol <<a href="mailto:antlists@
youngman.org.uk">
[email protected]</a>> wrote:<br>> ><br>> > On 14/07/2022 18:42, Mark Knecht wrote:<br>> > > If instead I'm in Linux with a Win10 VM running I can run the same<br>> > > software in the VM, and
it will always see the external DSP when first<br>> > > started, but at random times, generally 5-20 seconds but never more than<br>> > > 5 minutes, the software will tell me the USB connection has been<br>> > > interrupted and
I am forced in the software to reestablish a connection.<br>> > > I am always able to reconnect but I am so far unable to keep it connected.<br>> ><br>> > Is there a setting in VB to say "take over the USB port"? ISTR
something<br>> > of the sort, which would basically let Win10 take over the port and<br>> > drive it, with linux out of the picture.<br>> ><br>> > Don't trust me on this, I don't play with USB and it's ages since I<br>&
gt; > stumbled across this, but it's worth taking a look.<br>> ><br>> > Cheers,<br>> > Wol<br>><br>><br>> Good questions. I'm not sure with USB. As I understand it there<br>> are options in Virtualbox to pass
through complete pieces of hardware.<br>> I've read that people do this with complete graphics cards. In theory<br>> possibly it could be done with USB but my guess is it might be<br>> difficult as most USB controllers are part of the
chipset. Still, it's worth<br>> some study.<br>><br>> As this DSP processor is identified as an audio device I wondered<br>> today if possibly pulseaudio might be trying to grab it. I intend to<br>> look into configuring PA not to
touch it.<br>><br>> There's also (possibly) blacklisting certain USB device IDs. In the <br>> VM I configured it to understand the device ID and hook to it.<br>> Possibly I can tell the Linux USB stack to ignore this device so that<br>>
PA or some other part of the system just stays away.<br>><br>> But being that the DSP device is an guitar amplifier modeler<br>> and my new Tele came back from my guitar tech at lunchtime<br>> I spent the afternoon playing the guitar!
Nonproductive but fun!<br>><br>> Thanks for the ideas,<br>> Mark<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
</blockquote></div><div><br></div><div>More or less solved this morning apparently. We'll see after more time</div><div>has elapsed.</div><div><br></div><div>My desktop environment is KDE. MY sound environment is then, by</div><div>default,
pulseaudio. By disabling the DSP processor as a sound</div><div>device in KDE System Settings I've now been running the VM</div><div>and support software for about 90 minutes with only 1 disconnection</div><div>which came the very first time I did
something in KDE (started a </div><div>new chrome window) after starting the control software in the VM.</div><div><br></div><div>Since then I have had no more disconnections.</div><div><br></div><div>I will have to see how it does over the rest of the
day and weeks</div><div>ahead but it's certainly acting better right now.</div><div><br></div><div>Cheers,</div><div>Mark</div></div>
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