[mythtv-users] No TV after upgrade to .22 using PVR-350 TVOUT -help!

Craig Isdahl craig at dashsystems.com
Thu Nov 12 22:31:39 UTC 2009

> If I'm not mistaken, ivtvfb.ko is missing from the atrpms video4lan rpm.
> Run this command as root. If you get no output, the the framebuffer is
> not installed.
> find /lib/modules/`uname -r` -name ivtvfb.ko

----- ----- ----- ----- 
[root at mythtv ~]# /sbin/modinfo ivtvfb
license:        GPL
author:         Kevin Thayer, Chris Kennedy, Hans Verkuil, John Harvey, Ian
srcversion:     9F658B8FA3BC2C551F9654B
depends:        ivtv
vermagic:       2.6.18-164.6.1.el5.centos.plus SMP mod_unload 686 REGPARM
4KSTACKS gcc-4.1
parm:           ivtvfb_card_id:Only use framebuffer of the specified ivtv card
                        default -1: initialize all available framebuffers
parm:           debug:Debug level (bitmask). Default: errors only
                        (debug = 3 gives full debugging) (int)
parm:           osd_laced:Interlaced mode
                        default off (bool)
parm:           osd_depth:Bits per pixel - 8, 16, 32
                        default 8 (int)
parm:           osd_upper:Vertical start position
                        default 0 (Centered) (int)
parm:           osd_left:Horizontal start position
                        default 0 (Centered) (int)
parm:           osd_yres:Display height
                        default 480 (PAL)
                                400 (NTSC) (int)
parm:           osd_xres:Display width
                        default 640 (int)
----- ----- ----- -----

> If the framebuffer is there, you may be loading it incorrectly. What
> does your /etc/modprobe.conf look like?

----- ----- ----- -----
[root at mythtv ~]# cat /etc/modprobe.conf
alias eth0 e100
alias scsi_hostadapter sata_sil
alias snd-card-0 snd-intel8x0
# This is for WinTV PVR-350 IVTV
alias char-major-81 videodev
alias char-major-81-0 ivtv
#alias char-major-61 lirc_i2c
alias char-major-61 lirc_mceusb2
options snd-card-0 index=0
options snd-intel8x0 index=0
options ivtv-fb osd_compat=1
remove snd-intel8x0 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; };
/sbin/modprobe -r --ignore-remove snd-intel8x0
install ivtv /sbin/modprobe cx25840; /sbin modprobe wm8775; /sbin/modprobe
--ignore-install ivtv; /sbin/modprobe ivtv-fb
#install lirc_i2c /sbin/modprobe ivtv; /sbin/modprobe --ignore-install
----- ----- ----- -----

More information about the mythtv-users mailing list