[mythtv-users] Do I have my tuner card properly installed for myth?
Alan Snyder
ax763 at yahoo.com
Tue Dec 9 11:48:57 EST 2003
I'm trying to track down my frontend freeze on live tv
and someone suggested that I look at my bttv
installation/configuration.
This is a Mandrake 9.1 system. My bt878 card was
recognized by the Mandrake installer, though I had to
hand-specify the tuner type since my cardid was not in
the cardlist used by the xawtv rpm.
Recording and playback work flawlessly. Problems
occur only in live tv.
/etc/modules loads the bttv driver:
# cat /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file should contain the names of kernel modules
that are
# to be loaded at boot time, one per line. Comments
begin with
# a `#', and everything on the line after them are
ignored.
bttv
-----
lsmod looks OK:
# lsmod | grep bttv
bttv 78496 0 [lirc_gpio]
videodev 7872 3 [bttv]
i2c-algo-bit 9064 1 [bttv]
i2c-core 21192 0 [tuner bttv
i2c-algo-bit]
soundcore 6276 0 [snd bttv]
----
modules.conf just adds the card type & tuner:
# cat /etc/modules.conf
alias char-major-61 lirc_gpio
probeall usb-interface usb-uhci
above snd-via82xx snd-pcm-oss
alias eth0 3c59x
alias sound-slot-0 snd-via82xx
options bttv card=78 tuner=2 radio=1 gbuffers=4
alias /dev/nvidia* nvidia
----
/etc/modules.devfs suggests adding an alias but I'm
not sure why:
#head -25 /etc/modules.devfs
# /etc/modules.devfs
# Richard Gooch <rgooch at atnf.csiro.au>
24-MAR-2002
#
# THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT
EDIT!!!
# THIS FILE WILL BE OVERWRITTEN EACH TIME YOU INSTALL
DEVFSD!!!
# Modify /etc/modules.conf instead.
# This file comes with devfsd-vDEVFSD-VERSION which is
available from:
# http://www.atnf.csiro.au/~rgooch/linux/
# or directly from:
#
ftp://ftp.atnf.csiro.au/pub/people/rgooch/linux/daemons/devfsd-vDEVFSD-VERSION.tar.gz
###############################################################################
# Sample configurations that you may want to place
in /etc/modules.conf
#
#alias sound-slot-0 sb
#alias /dev/v4l bttv
----
bttv devices are there:
# ls -l /dev/vi*
lr-xr-xr-x 1 root root 10 Dec 6
09:59 /dev/video -> v4l/video0
lr-xr-xr-x 1 root root 10 Dec 6
09:59 /dev/video0 -> v4l/video0
# ls -l /dev/v4l
total 0
crw------- 1 alan sys 81, 64 Dec 31
1969 radio0
crw------- 1 alan sys 81, 224 Dec 31
1969 vbi0
crw------- 1 alan sys 81, 0 Dec 31
1969 video0
Finally, I *think* the card is properly specified in
the database:
mysql> select * from capturecard;
yields cardid=1, videodevice=/dev/video,
audiodevice=/dev/dsp, cbidevice=/dev/vbi0,
cardtype=V4L, auddioratelimit=0, hostname=localhost,
dvb_swfilter=NULL, dvb_recordts=NULL
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