[mythtv-users] LIRCD problems with FC4

[R. Geoffrey Newbury]

On Mon, 21 Nov 2005 19:23:34 +0000, Nick wrote:

>On 05/09/05, Myth <myth at tacgun.com> wrote:
>>
>> Hauppauge PVR-350 (Brand new - series 991)
>> Running absolute latest version of Fedora Core
>> Following step-by-step instructions from http://wilsonet.com/mythtv/
>> When I get to the part that tells me to start LIRCD - nothing happens.
>> I check /var/log/messages and find the following:

<Big snip>
>> Sep  4 16:16:00 myth modprobe: FATAL: Error inserting bttv
>> (/lib/modules/2.6.12-1.1447_FC4/kernel/drivers/media/video/bttv.ko):
>> Unknown symbol in module, or unknown parameter (see dmesg)
>> Sep  4 16:16:00 myth kernel: bttv: Unknown symbol tveeprom_read
>> Sep  4 16:16:00 myth kernel: bttv: Unknown symbol tveeprom_hauppauge_analog
>> Sep  4 16:16:01 myth modprobe: WARNING: Error inserting cx88xx
>> (/lib/modules/2.6.12-1.1447_FC4/kernel/drivers/media/video/cx88/cx88xx.ko):
>> Unknown symbol in module, or unknown parameter (see dmesg)
>> Sep  4 16:16:01 myth modprobe: FATAL: Error inserting cx8800
>> (/lib/modules/2.6.12-1.1447_FC4/kernel/drivers/media/video/cx88/cx8800.ko):
>> Unknown symbol in module, or unknown parameter (see dmesg)
>> Sep  4 16:16:01 myth kernel: cx88xx: Unknown symbol tveeprom_read
>> Sep  4 16:16:01 myth kernel: cx88xx: Unknown symbol
>> tveeprom_hauppauge_analog
>> Sep  4 16:16:01 myth kernel: cx8800: Unknown symbol cx88_reset
>> Sep  4 16:16:01 myth kernel: cx8800: Unknown symbol cx88_call_i2c_clients

This bit implies that you are trying to load the cx8800 module but you do
not have a bttv card in the machine..


>> Sep  4 16:16:01 myth kernel: lirc_i2c: chip found @ 0x18 (Hauppauge IR)
>> Sep  4 16:16:01 myth kernel: ivtv: i2c attach [client=Hauppauge IR,ok]
>> Sep  4 16:16:01 myth kernel: lirc_dev: lirc_register_plugin: sample_rate: 10

This bit implies that you have:
modprobe lirc_i2c
modprobe lirc_dev
modprobe lirc_yourdriver

in modprobe,conf... so far so good if true.

>At this point, what does (as root):
>
>'service lircd status'
>
>give? If it says it's running, you should be good to go as long as you
>have a suitable lircd.conf file in /etc and have your receiver plugged
>into the correct plug on the back of the card. If it says 'lircd dead,
>but subsystem locked' it may likely be a udev issue related to device
>creation (lircd may be trying to use a device that doesn't exist)

OR, it failed without cleaning up after itself.
look in /var/log/subsys for a 'lircd' file.

OR udev created a file socket  /dev/lirc/0 for example but lircd is
looking for /dev/lirc
you need udev to create a symlink to /dev/lirc from /dev/lirc/0 if that is
the case. (Check the archives at gossamer-threads... I wrote something
about this this morning).

FINALLY, make sure that when lircd is started as a daemon that you call
the correct file socket... that is, call it with -d /dev/lirc or whatever,
to make sure where it is looking.

Note that if you do not have the correct permissions (including in init.d)
the init.d script will fail at "rm'ing" the file. The script does that if
it is run properly.

>To run irw, you need lircd running. To run irrecord (to see if
>anything is being received) you do not want lircd running.

Conversely and this can be a real gotcha, you cannot have lircd running to
test with mode2...The idea is to test with mode2 to see if the 'frontend'
hardware works, then start lircd and try the daemon backend.

Test both mode2 and irw with their -d /dev/lirc options. If those do but
something else does not, then you can guess what is not going on.

>Finally, check to see whether you have a /var/log/lircd.log file as
>this may give some useful info (I'm not sure if the atrmp binaries
>include the separate logging support built in).

If the rpm does not, consider compiling from source and exercise that
option..

Geoff

R. Geoffrey Newbury                          newbury at mandamus.org
Barrister and Solicitor                         Telephone: 905-271-9600                 
Mississauga,Ontario, Canada              Facsimile:   905-271-1638