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From: Malcolm Priestley <tvboxspy@gmail.com>
To: Jason Hecker <jwhecker@gmail.com>
Cc: linux-media <linux-media@vger.kernel.org>
Subject: Re: Afatech AF9013
Date: Sun, 21 Aug 2011 19:00:34 +0100	[thread overview]
Message-ID: <1313949634.2874.13.camel@localhost> (raw)
In-Reply-To: <CAATJ+ft9HNqLA62ZZkkEP6EswXC1Jhq=FBcXU+OHCkXTKpqeUA@mail.gmail.com>

On Sun, 2011-08-21 at 11:51 +1000, Jason Hecker wrote:

> I have tried everything imaginable to nail down the problem but can't
> seem to fix it.  Even "options dvb-usb force_pid_filter_usage=1" seems
> to improve the problem somewhat but the errors are still there.  I
> have tried every firmware from 4.65 to 5.10, adjusting the PCI latency
> from 32 to 96, fed each card directly from the antenna (taking the
> splitter out of the loop), one card fitted, both cards fitted, kernel
> and system upgrades (Mythbuntu 10.04 to 11.04), mplayer vs MythTV but
> the results are always the same.  Tuner B is perfect, tuner A
> corrupts when Tuner B is used.  There are no errors or warnings in
> syslog or dmesg to
> suggest anything has failed.
I think there is a BUG, where on some systems, the frontends become
swapped between kernels 2.6.35 and 2.6.38 on dual tuners.

I haven't fully investigated the cause, but I think it's to do with
applying a later build of dvb-usb to an earlier kernel.

So, Tuner B on 2.6.38(11.04) is the old Tuner A.

Regards

Malcolm


  parent reply	other threads:[~2011-08-21 18:00 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAATJ+fu5JqVmyY=zJn_CM_Eusst_YWKG2B2MAuu5fqELYYsYqA@mail.gmail.com>
2011-08-21  1:51 ` Afatech AF9013 Jason Hecker
2011-08-21 15:06   ` Josu Lazkano
2011-08-21 18:00   ` Malcolm Priestley [this message]
2011-08-22  2:05     ` Jason Hecker
2011-08-22 12:01       ` Josu Lazkano
2011-08-23  0:59         ` Jason Hecker
2011-08-23  1:47           ` Jason Hecker
2011-08-23 21:43             ` [PATCH] Re: Afatech AF9013 [TEST ONLY] AF9015 stream buffer size aligned with max packet size Malcolm Priestley
2011-08-23 22:29               ` Jason Hecker
2011-08-29 18:40             ` Afatech AF9013 Josu Lazkano
2011-08-30 23:31               ` Malcolm Priestley
2011-08-15 13:34 Josu Lazkano
2011-08-15 22:07 ` Jose Alberto Reguero
2011-08-15 22:22   ` Josu Lazkano
2011-08-15 23:16     ` Jose Alberto Reguero
2011-08-16 16:37       ` Josu Lazkano
2011-08-16 20:27         ` Jose Alberto Reguero
2011-08-16 20:57           ` Antti Palosaari
2011-08-16 23:23             ` Jose Alberto Reguero
2011-08-17  7:36               ` Josu Lazkano
2011-08-17 20:36                 ` Antti Palosaari
2011-08-19 14:47                   ` Josu Lazkano
2011-08-17 16:15               ` Malcolm Priestley
2011-08-17 17:27                 ` Josu Lazkano
2011-08-17 21:09                   ` Malcolm Priestley

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