linux-kernel - Re: [Bug #13839] xc5000 no longer works with Myth-0.21-fixes branch

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Message-Id: <200907280046.13881.rjw@sisk.pl>
Date:	Tue, 28 Jul 2009 00:46:13 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Mark Lord <lkml@....ca>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Devin Heitmueller <dheitmueller@...nellabs.com>
Subject: Re: [Bug #13839] xc5000 no longer works with Myth-0.21-fixes branch

On Monday 27 July 2009, Mark Lord wrote:
> Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.30.  Please verify if it still should be listed and let me know
> > (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=13839
> > Subject		: xc5000 no longer works with Myth-0.21-fixes branch
> > Submitter	: Mark Lord <lkml@....ca>
> > Date		: 2009-07-19 15:15 (8 days old)
> > References	: http://marc.info/?l=linux-kernel&m=124814394016848&w=4
> > Handled-By	: Devin Heitmueller <dheitmueller@...nellabs.com>
> ..
> 
> There is definitely a regression, in that it doesn't work without
> config changes to Myth.  This is due to the new way that firmware uploads
> are implemented in xc5000:  slower, and more often than before.
> 
> But the MythTV workaround required is simple:
> 
> > 3. In mythtv-setup -> CaptureCards -> DVB:1 -> RecordingOptions
> > there is a tickbox for "Open DVB Card on Demand".  It was ticked,
> > so I un-ticked that box.  Everything now works!
> > 
> > When that tickbox was selected, the xc5000 took five (5) seconds to "open",
> > as it did the firmware upload every time.  This appeared to exceed some
> > timeout inside myth.
> > 
> > With the tickbox NOT ticked, myth just opens the tuner once at startup,
> > and keeps it open, so no more delay when it wants to use it. 
> 
> 
> Dunno what to say about this one.

Well, let's close it as 'documented'.

Thanks,
Rafael
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