On Sunday 23 September 2007 00:30:14 Steve MacLaren wrote:
> On 9/16/07, Hans Verkuil <[EMAIL PROTECTED]> wrote:
> > On Friday 07 September 2007 17:33:35 Steve MacLaren wrote:
> > > I am struggling with crashes several times a week that are
> > > preceded by a string of "ENC DMA ERROR"s in the message log (and
> > > also by a bunch of "ivtv driver not responding"s in
> > > mythbackend.log). I am using a PVR-150 with ivtv 0.10.1 under
> > > Ubunty Fiesty kernel 2.6.20-16.
> > >
> > > This thread
> > > http://www.gossamer-threads.com/lists/ivtv/users/36431
> > > offers an updated driver that sounds like it may fix the problem.
> > > I've downloaded the tarball, and I have a few questions:
> > >
> > > The README warns against using the update with kernel 2.6.20, but
> > > says it's OK with 2.6.20.2 and newer. Is 2.6.20-16 older or
> > > newer than 2.6.20.2?
> > >
> > > The README.install contains installation instructions, however, I
> > > have a question:
> > > "5. unload any old drivers" - is that the same as saying
> > > "modprobe -r ivtv"?
> > >
> > > Finally, this thread
> > > http://www.gossamer-threads.com/lists/ivtv/users/35602
> > > claims the updated driver from the specific error I am having
> > > much worse. Does anyone have any further info on the
> > > effectiveness of this update?
> > >
> > > Thanks-
> >
> > Use the v4l-dvb repository from www.linuxtv.org. It's the latest
> > and greatest and fixes the DMA errors completely. It turns out to
> > be broken DMA gather-scatter support of the cx23415/6 chip.
> >
> > This code will be in kernel 2.6.24.
> >
> > Regards,
> >
> > Hans
> >
> >
> > Hans,
>
> Thanks for the reply. I have been struggling with 2 issues:
> 1) how to uninstall my current ivtv version 0.10.1 - using the
> package manager in Ubuntu, I only see ivtv-utils. Removing that
> package apparently does not remove the driver - 0.10.1 always loads
> on modprobe ivtv
Normally you do not have to uninstall anything, installing the new
drivers will overwrite the old.
> 2) how to install the driver from linuxtv.org. Once
> I unpack the tarball, I cd to /linux/drivers/media/video/ivtv and do
> make:
> "make: *** No targets. Stop."
You should run make in the top level directory.
>
> Unfortunately, there are no installation instructions in
> /linux/Documentation/video4linux/README.ivtv.
>
> Can you give me any pointers on uninstall/install?
>
> Thanks-
Hope this helps (albeit almost three weeks late:-) )
Hans
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