Re: Slow enumeration of Creative Sound Blaster G3

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On Mon, Nov 13, 2023 at 01:23:28PM -0500, Alan Stern wrote:
> On Sun, Nov 12, 2023 at 11:28:47AM -0500, Alan Stern wrote:
> > On Sun, Nov 12, 2023 at 12:03:42PM +0100, Andreas Kempf wrote:
> > > This whole issue is extremely confusing to me as I cannot really figure
> > > out a pattern. Today I tried the following:
> > > - I plugged the device in on Linux: issue occurred
> > > - I plugged the device into a different port on the same machine on
> > >   Linux: issue occurred.
> > > - I plugged the device into an Android phone: played audio immediately
> > > - I plugged the device into a Laptop running Arch on 6.6.1: played audio
> > >   immediately (?!)
> 
> > > - I booted the machine on Linux with the device already plugged in:
> > >   played audio immediately (?!)
> > > - I booted Windows and plugged in the device: played audio immediately
> > > - I plugged a keyboard and a mouse into the port: no issues
> > 
> > Yeah, it's really hard to tell what's happening.
> 
> Here's a thought: Maybe the problem is caused by insufficient power.  
> That could easily explain the odd behavior you see (some computers can 
> provide more USB power than others; the power available over a USB 
> connection may vary with time; the device's audio functions might 
> require more power than the simple USB functions used for enumeration).
> 
> Is the Sound Blaster card powered solely by its USB connection?  If it 
> is, you could try connecting to the computer via a powered hub.  A 
> powered hub should provide plenty of power over its downstream USB 
> ports.

It is solely powered by the USB port. Unfortunately, I do not have a
powered hub at hand. Maybe I can borrow one somewhere. Still, it seems
to work on Windows...

> 
> Alan Stern

Best regards,

Andreas




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