[mythtv-users] LIRC and MythBuntu 10.10

Greg Hormann ghormann at alumni.indiana.edu
Fri Apr 15 11:28:41 UTC 2011

This is exactly myth related, but it is such a knowledgeable community....

I just seem to have no luck with LIRC blasting.  I have an HD-PVR and
initially setup HD-PVR to perform the blasting via lirc_zilog.
(Followed the procedure outlined in
 Unfortunately, the HD-PVR would lockup after a while with the
lirc_zilog loaded.  With the module unloaded, it seems fine.  (Too
bad, because ir blasting and the remote seemed to work fine!)

I then tried to configure using serial port.  I copied over the
lircd.conf file from the old server, setup hardware.conf and restarted
the service.  The lirc_serial module seems to correctly load, but the
it doesn't change the channels.  (Unfortunately this blaster doesn't
light up like the HD_PVR, so I can't see if a signal is actually being
sent, but if I plug it back into the old mythserver it still works..)

I found some notes suggesting there were some issues with serial
blasting in October and early January.


Im running MythBuntu 10.10, 2.6.35-28, and  lircd 0.8.7-pre3.  Any
suggestions on what to try next?
1) finding a combination of driver and lircd that works with hd-pvr
2) patching up lircd (not exactly sure how to do that now)
3) Wipe and install 10.4?
4) Gentoo? -- My old box is Gentoo, but MythBuntu just seems "easier"
at the time. :-)

I do remember when I built the old box years ago, that the major
version was important. I tried multiple combinations to get it to 61
on 10.10, but none worked so I gave up.  I see others have 250 in the
web, so I'm assuming that is no longer an issue....


ghormann at tvServer:/usr/local/bin$ dmesg | grep ttyS0
[    0.970480] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[    0.970721] 00:0b: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A

ghormann at tvServer:/usr/local/bin$ dmesg | grep lirc
[   18.302736] lirc_dev: IR Remote Control driver registered, major 250
[   18.389361] lirc_serial: module is from the staging directory, the
quality is unknown, you have been warned.
[   19.346762] lirc_serial: auto-detected active high receiver
[   19.346836] lirc_serial lirc_serial.0: lirc_dev: driver lirc_serial
registered at minor = 0

ghormann at tvServer:/usr/local/bin$ sudo modprobe -c | grep lirc
#alias char-major-61  lirc_dev
options lirc_serial irq=4 io=0x3f8
#options lirc_serial irq=3 io=0x2f8

ghormann at tvServer:/usr/local/bin$ lsmod | grep ir
lirc_serial            12654  0
lirc_dev               11209  1 lirc_serial

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