From: Steven Toth <stoth@linuxtv.org>
To: Devin Heitmueller <devin.heitmueller@gmail.com>
Cc: David Engel <david@istwok.net>,
linux-media@vger.kernel.org, V4L <video4linux-list@redhat.com>
Subject: Re: PVR x50 corrupts ATSC 115 streams
Date: Tue, 17 Feb 2009 17:29:52 -0500 [thread overview]
Message-ID: <499B3A60.90306@linuxtv.org> (raw)
In-Reply-To: <412bdbff0902171305j26827e3fp2852f3774a788a67@mail.gmail.com>
Devin Heitmueller wrote:
> On Tue, Feb 17, 2009 at 3:56 PM, David Engel <david@istwok.net> wrote:
>> I have anohter system, with only an ATSC 115 and a video card. It has
>> nearly identical numbers from femon as the system with the PVRs.
>
> Didn't the PVR-250/350 have some sort of PCI DMA issues? (I thought I
> remember reading that couple of years ago but I may be crazy). If
> so, then that wouldn't show up with femon, as the demod and tuner
> would be capturing fine, but then the packets would never make it back
> to the host.
>
> <Idle speculation mode off>
The driver is probably buggy. Either its really reporting pre-viterbi errors OR
it's reporting real post-viterbi errors - but in which case why aren't we also
measuring uncorrected blocks?
Regardless of Davids actual current problem, this sounds like a secondary
unrelated issue.
- Steve
next prev parent reply other threads:[~2009-02-17 22:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-17 15:53 PVR x50 corrupts ATSC 115 streams David Engel
2009-02-17 16:05 ` Steven Toth
2009-02-17 20:17 ` David Engel
2009-02-17 20:29 ` Steven Toth
2009-02-17 20:56 ` David Engel
2009-02-17 21:05 ` Devin Heitmueller
2009-02-17 22:29 ` Steven Toth [this message]
2009-02-17 22:38 ` Devin Heitmueller
2009-02-18 15:16 ` Steven Toth
2009-02-19 2:11 ` CityK
2009-02-19 15:26 ` Steven Toth
2009-02-18 5:19 ` David Engel
2009-02-18 8:25 ` Rudy Zijlstra
2009-02-18 15:29 ` David Engel
2009-02-18 14:56 ` Steven Toth
2009-02-18 15:34 ` David Engel
2009-02-19 16:28 ` David Engel
2009-02-19 16:44 ` Steven Toth
2009-02-22 19:35 ` CityK
2009-02-23 18:39 ` David Engel
2009-02-23 19:06 ` Steven Toth
2009-02-23 20:10 ` David Engel
2009-02-23 21:53 ` Steven Toth
2009-02-23 22:03 ` Devin Heitmueller
2009-02-23 22:48 ` David Engel
2009-02-23 22:58 ` Devin Heitmueller
2009-02-24 1:38 ` pat-lkml
2009-02-24 16:40 ` David Engel
2009-02-24 0:05 ` Andy Walls
2009-08-07 2:50 ` David Engel
-- strict thread matches above, loose matches on Subject: below --
2009-02-18 12:41 Andreas
2009-02-18 15:39 ` David Engel
2009-02-19 3:37 ` CityK
2009-02-19 13:30 ` Andreas
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