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SubjectRe: USB transfer_buffer allocations on 64bit systems
On Wed, 14 Apr 2010, Pedro Ribeiro wrote:

> The best way to trigger the issue is to connect a dib0700 based DVB
> adapter. All you need is to connect it. Since it polls for the remote
> control every 50 msec, it causes a constant interference. Beware that
> on 2.6.34 this behaviour has been corrected. Other DVB adapters may
> trigger the same issue if they also poll constatly for the rc.

Your computer has two EHCI controllers, doesn't it? Can you plug the
DVB into a different USB bus from the audio device? If you do, does
the interference still occur?

Alan Stern



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