[mythtv-users] ivtv: Unknown parameter `mpg_buffers'

Michael Rice mikerice1969 at gmail.com
Tue Jan 29 19:54:45 UTC 2008


On 1/29/08, Daniel Arfsten <darfsten at hotmail.com> wrote:
> Can anyone please help with this? I have a PVR-350 in my master backend
> running Feisty Fawn Ubuntu. It uses Mythtv 20.2-fixes. I get a bunch of
> errors in dmesg like this
> [958989.631007] ivtv0: All encoder MPEG stream buffers are full. Dropping
> data.
> [958989.631011] ivtv0: Cause: the application is not reading fast enough.
> [959650.647559] ivtv0: All encoder MPEG stream buffers are full. Dropping
> data.
> [959650.647563] ivtv0: Cause: the application is not reading fast enough.
>
> I read on the Mythtv wiki for PVR-350 that I am suppose to add some options
> for ivtv module to increase the buffers but it's not working. I added the
> options to /etc/modprobe.conf because the wiki says to add the options to
> /etc/mythtv/modules/ivtv but that file doesn't exist on ubuntu. So I added
> them to /etc/modprobe.conf and restarted the system. Now dmesg has the below
> listed errors and ivtv module isn't even being loaded at all after the
> machine reboot so obviously my card won't be there in mythweb.
> at first it was this:
> ivtv: Unknown parameter `yuv_buffers'
> then I didn't think I needed the yuv_buffers so I removed that but now it's
> this:
> ivtv: Unknown parameter `mpg_buffers'
>
>
> here's the contents of /etc/modprobe.conf
> alias char-major-61 lirc_serial
> options lirc_serial irq=3 io=0x2f8
> install lirc_serial /bin/setserial /dev/ttyS0 uart none ;\
> /sbin/modprobe --ignore-install lirc_serial
> options ivtv yuv_buffers=32 mpg_buffers=16 vbi_buffers=16 pcm_buffers=16
> dec_osd_buffers=2

I have this in my /etc/modprobe.conf:

options ivtv enc_mpg_buffers=16

Maybe the name of the module parameter changed at some point.


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