[mythtv-users] Thanks and more questions *rolleyes*

Verteiler verteiler at juro.at
Sat Aug 28 16:59:49 EDT 2004


Ok, I got this driver to load - so the next problem arises (damn this is 
frustrating!). According to this article (thanks David) 
http://www.poptix.net/ivtv/Aug-2004/msg00352.html I have to use ivtvctl 
instead of test_ioctl, but I cannot find either of these programs ....

Verteiler wrote:

> Thank you, David. Seems to work fine (actually I did get an error 
> message regarding the "not used variable fd", but that wasn't a 
> problem ;) ) now, except that when I do a "/bin/dmesq | grep ivtv" 
> there is this error message:
>
> Unable to open '/lib/modules/ivtv-fw-enc.bin
> ivtv: falied loading encoder firmware
> ivtv: Error loading firmware!.....
>
> When doing a "ls /lib/modules" I do see the appropriate driver, so I 
> do not knoe where the problem is. Any ideas?
>
> -- Verteiler
>
> David George wrote:
>
>> Verteiler wrote:
>>
>>> Hi (again),
>>>
>>> Sorry for beeing such a bain-in-the-*** newbie regarding this, but I 
>>> just cannot get this thing working. I have installed the 
>>> ivtv-0.1.10-pre2-ck105k driver with everything working fine. Then I 
>>> adapted the /etc/modprobe.conf (which apparently replaces the 
>>> /etc/modules.conf in the 2.6 kernel) according to Jarod's and 
>>> Chris's Howto (http://67.18.1.101/~ckennedy/ivtv/HOWTO.ivtv-0.1.10) 
>>> but that is where my problems come in. This is what my 
>>> /etc/modprobe.conf looks like (the ivtv section anyway):
>>>
>>> alias char-major-81 videodev
>>> alias char-major-81-0 ivtv
>>
>>
>>
>> The above two lines are all that is needed in your /etc/modprobe.conf
>>
>>> options ivtv ivtv_debug=1 tuner=5 ivtv_std=2
>>> options msp3400 once=0 simpler=1 simple=0
>>
>>
>>
>> The ivtv driver can now automatically set a lot of reasonable 
>> defaults.  Try removing these two lines and see if it still works.  
>> Of course you may want to leav the options ivtv ivtv_debug=1.  You 
>> can modinfo ivtv for the autodetect and default settings.
>>
>>> add below ivtv msp3400 saa7115 tuner saa7127
>>
>>
>>
>> Remove this line.  Modprobe doesn't support the add option anymore.
>>
>>> Then I want to check the tuner type using "/sbin/modprobe tveeprom" 
>>> but I get this error:
>>> WARNING: /etc/modprobe.conf line 8: ignoring bad line starting with 
>>> 'add' (which is the last of the above lines).
>>> A "cat /var/log/dmesg | grep tuner" does not result in anything.
>>
>>
>>
>> Add below is no longer supported
>>
>>> I had this problem using the 2.4 kernel as well, so that I continued 
>>> with Jarod's howto. Next I loaded the ivtv driver using 
>>> "/sbin/depmod -a" which seemed to work When doing "/sbin/modprobe 
>>> v4l1-compat" I get the same warning regarding the "add" line and 
>>> doing a "modprobe ivtv" results in this fatal error:
>>> FATAL: Error inserting ivtv 
>>> (/lib/modules/2.6.8-1.521/extra/ivtv.ko): Unknown symbol in module, 
>>> or unknown parameter (see dmesg) .... there is no entry in 
>>> /var/log/dmesg
>>> I do get an output on my second console though:
>>> ivtv: Unknown symbol sys_close
>>> ivtv: Unknown symbol sys_lseek
>>> ivtv: Unknown symbol sys_read
>>> ivtv: Unknown symbol sys_open
>>>
>>> Can someone please tell me what I am doing wrong. I do quite a lot 
>>> with linux but have never delved too deep into drivers so this is 
>>> quite new to me.
>>> So I hope to read from you linux/ivtv-gurus soon!
>>
>>
>>
>> This happens with the Redhat (well Fedora) kernel.  A plain kernel 
>> from kernel.org doesn't have this issue.  Please take a look at this 
>> message from the ivtv list:
>>
>> http://www.poptix.net/ivtv/Aug-2004/msg00352.html
>>
>> Basically, sys_open et al are no longer to be used in kernel modules 
>> so Fedora disabled them to get people to update their drivers (much 
>> like they did with 4K stacks).  Not that I have a problem with this, 
>> it just forces people that are on the bleeding edge to make sure they 
>> don't keep old cruft around and gives other distributions time before 
>> introducing things that may break in the mainstream.
>>
>> HTH,
>> David
>>
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>
>
>
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