[mythtv-users] mythtvsetup can't see dvb cards after kernel update

[John Pilkington]

On 30/06/12 21:35, John Pilkington wrote:
> On 30/06/12 20:40, Michael T. Dean wrote:
>> On 06/30/2012 03:24 PM, John Pilkington wrote:
>>> Hi:  I'm running 0.24.3 from ATrpms with kernel 3.3.3-1,fc16.x86_64.
>>> During a brief upgrade to kernel 3.4.2-1 I had a failure in
>>> simultaneous recordings and various frontend hangups.  I wondered if
>>> my dvb cards had become out of order and ran mythtvsetup.  It 'could
>>> not get card info', reporting FE_GET_INFO ioctl failed,
>>> /dev/dvb/adapter3/frontend0, eno no such device.  dmesg | grep adapter
>>> showed all the cards had been registered, and in the expected order.
>>>
>>> I have reverted to kernel 3.3.3-1 and all seems ok again.
>>>
>>> I suppose the mythtvsetup failure looks as if could be a permissions
>>> problem.  Suggestions?  I'd like to try a later build of 0.25-fixes
>>> than the one I now have on the laptop before updating this box.
>>
>> ls -ld /dev/dvb/adapter*{,/*}
>>
>> Mike
>
> This is with the old kernel.  Will try to reboot tomorrow.  Thanks.
>
> $ ls -ld /dev/dvb/adapter*{,/*}
> drwxr-xr-x. 2 root root      120 Jun 30 17:24 /dev/dvb/adapter0
> crw-rw----. 1 root video 212,  0 Jun 30 17:24 /dev/dvb/adapter0/demux0
> crw-rw----. 1 root video 212,  1 Jun 30 17:24 /dev/dvb/adapter0/dvr0
> crw-rw----. 1 root video 212,  3 Jun 30 17:24 /dev/dvb/adapter0/frontend0
> crw-rw----. 1 root video 212,  2 Jun 30 17:24 /dev/dvb/adapter0/net0
> drwxr-xr-x. 2 root root      120 Jun 30 17:24 /dev/dvb/adapter1
> crw-rw----. 1 root video 212,  4 Jun 30 17:24 /dev/dvb/adapter1/demux0
> crw-rw----. 1 root video 212,  5 Jun 30 17:24 /dev/dvb/adapter1/dvr0
> crw-rw----. 1 root video 212,  7 Jun 30 17:24 /dev/dvb/adapter1/frontend0
> crw-rw----. 1 root video 212,  6 Jun 30 17:24 /dev/dvb/adapter1/net0
> drwxr-xr-x. 2 root root      120 Jun 30 17:24 /dev/dvb/adapter2
> crw-rw----. 1 root video 212,  9 Jun 30 17:24 /dev/dvb/adapter2/demux0
> crw-rw----. 1 root video 212, 10 Jun 30 17:24 /dev/dvb/adapter2/dvr0
> crw-rw----. 1 root video 212,  8 Jun 30 17:24 /dev/dvb/adapter2/frontend0
> crw-rw----. 1 root video 212, 11 Jun 30 17:24 /dev/dvb/adapter2/net0
> drwxr-xr-x. 2 root root      120 Jun 30 17:24 /dev/dvb/adapter3
> crw-rw----. 1 root video 212, 13 Jun 30 17:24 /dev/dvb/adapter3/demux0
> crw-rw----. 1 root video 212, 14 Jun 30 17:24 /dev/dvb/adapter3/dvr0
> crw-rw----. 1 root video 212, 12 Jun 30 17:24 /dev/dvb/adapter3/frontend0
> crw-rw----. 1 root video 212, 15 Jun 30 17:24 /dev/dvb/adapter3/net0
>
> -----------

Hmm.  After more reboots than expected (Leap Second; Firefox and mysqld 
running amok)  this looks identical in kernel 3.4.2-1
----------------
mythtvsetup output on selecting the first card listed:

2012-07-01 09:41:51.132 Connected to database 'mythconverg' at host: 
localhost
2012-07-01 09:41:51.163 Current MythTV Schema Version (DBSchemaVer): 1264
2012-07-01 09:42:22.977 Could not query inputs.
                         eno: Operation not supported (95)
2012-07-01 09:42:23.365 Could not query inputs.
                         eno: Operation not supported (95)
2012-07-01 09:42:24.141 Could not query inputs.
                         eno: Operation not supported (95)
2012-07-01 09:42:24.141 ProbeAudioInputs(/dev/dvb/adapter3/frontend0,HDPVR)
2012-07-01 09:42:24.141 ProbeV4LAudioInputs(/dev/dvb/adapter3/frontend0)
2012-07-01 09:42:24.917 FE_GET_INFO ioctl failed 
(/dev/dvb/adapter3/frontend0)
                         eno: No such device (19)
2012-07-01 09:42:25.011 FE_GET_INFO ioctl failed 
(/dev/dvb/adapter0/frontend0)
                         eno: No such device (19)
2012-07-01 09:42:25.305 FE_GET_INFO ioctl failed 
(/dev/dvb/adapter3/frontend0)
                         eno: No such device (19)
2012-07-01 09:42:25.308 DiSEqCDevTree, Warning: No device tree for cardid 1

An HDPVR is probed for.  There isn't one.
-------------------
$ dmesg | grep adapter
[    8.772628] DVB: registering new adapter (TwinHan AzureWave 
AD-TU700(704J))
[    8.886591] DVB: registering adapter 0 frontend 0 (Afatech AF9013)...
[    8.892507] DVB: registering new adapter (TwinHan AzureWave 
AD-TU700(704J))
[    9.104719] DVB: registering adapter 1 frontend 0 (Afatech AF9013)...
[   15.246032] DVB: registering new adapter (saa7133[0])
[   15.246038] DVB: registering adapter 2 frontend 0 (Philips TDA10046H 
DVB-T)...
[   15.648153] DVB: registering new adapter (saa7133[1])
[   15.648156] DVB: registering adapter 3 frontend 0 (Philips TDA10046H 
DVB-T)...

Deleting all cards and rescanning is rather a pain, so I haven't tried 
it.  I'll just go back to the old kernel again.

John P