lkml.org 
[lkml]   [2010]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: USB transfer_buffer allocations on 64bit systems
From
On 14 April 2010 19:23, Alan Stern <stern@rowland.harvard.edu> wrote:
> 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
>
>

It does not matter on which ports I plug into, even if in different
buses not sharing IRQ's.

Pedro
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-04-14 20:31    [W:0.121 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site