[mythtv-users] UDEV rules

Wed Jan 8 18:18:44 UTC 2014

Greetings Mythizens, On the possibility of getting a third card
working I've put it back in the box, but I need help setting up the
UDEV rules. From a "lspci -vv" command the three cards are:

02:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885
PCI Video and Audio Decoder (rev 04)
Subsystem: Hauppauge computer works Inc. Device 7911
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at fe800000 (64-bit, non-prefetchable) [size=2M]
Capabilities: <access denied>
Kernel driver in use: cx23885
Kernel modules: cx23885

04:00.0 Multimedia controller: Philips Semiconductors
SAA7131/SAA7133/SAA7135 Video Broadcast Decoder (rev d1)
Subsystem: KWorld Computer Co. Ltd. Device a135
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (63750ns min, 63750ns max)
Interrupt: pin A routed to IRQ 20
Region 0: Memory at febff800 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: saa7134
Kernel modules: saa7134

04:01.0 Multimedia video controller: Internext Compression Inc iTVC16
(CX23416) Video Decoder (rev 01)
Subsystem: Hauppauge computer works Inc. WinTV PVR 150
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (32000ns min, 2000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
Capabilities: <access denied>
Kernel driver in use: ivtv
Kernel modules: ivtv

As per the wiki when I run the command " udevadm info -a -p $(udevadm
info -q path -n /dev/video0)" I can't identify the Philips card
(04:00.0) I've had it in and out of two boxes and see no difference
from this command:

daryl at daryl-A780L3C:~$ udevadm info -a -p $(udevadm info -q path -n /dev/video0)

Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

  looking at device
'/devices/pci0000:00/0000:00:14.4/0000:04:01.0/video4linux/video0':
    KERNEL=="video0"
    SUBSYSTEM=="video4linux"
    DRIVER==""
    ATTR{name}=="ivtv0 encoder MPG"
    ATTR{index}=="0"

  looking at parent device '/devices/pci0000:00/0000:00:14.4/0000:04:01.0':
    KERNELS=="0000:04:01.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="ivtv"
    ATTRS{irq}=="21"
    ATTRS{subsystem_vendor}=="0x0070"
    ATTRS{broken_parity_status}=="0"
    ATTRS{class}=="0x040000"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000007"
    ATTRS{device}=="0x0016"
    ATTRS{msi_bus}==""
    ATTRS{local_cpulist}=="0-2"
    ATTRS{vendor}=="0x4444"
    ATTRS{subsystem_device}=="0x8801"
    ATTRS{numa_node}=="0"

  looking at parent device '/devices/pci0000:00/0000:00:14.4':
    KERNELS=="0000:00:14.4"
    SUBSYSTEMS=="pci"
    DRIVERS==""
    ATTRS{irq}=="0"
    ATTRS{subsystem_vendor}=="0x0000"
    ATTRS{broken_parity_status}=="0"
    ATTRS{class}=="0x060401"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000007"
    ATTRS{device}=="0x4384"
    ATTRS{msi_bus}=="1"
    ATTRS{local_cpulist}=="0-2"
    ATTRS{vendor}=="0x1002"
    ATTRS{subsystem_device}=="0x0000"
    ATTRS{numa_node}=="0"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

Nor from this command:

daryl at daryl-A780L3C:~$ udevadm info -a -p $(udevadm info -q path -n
/dev/dvb/adapter0/dvr0)

Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

  looking at device
'/devices/pci0000:00/0000:00:04.0/0000:02:00.0/dvb/dvb0.dvr0':
    KERNEL=="dvb0.dvr0"
    SUBSYSTEM=="dvb"
    DRIVER==""

  looking at parent device '/devices/pci0000:00/0000:00:04.0/0000:02:00.0':
    KERNELS=="0000:02:00.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="cx23885"
    ATTRS{irq}=="16"
    ATTRS{subsystem_vendor}=="0x0070"
    ATTRS{broken_parity_status}=="0"
    ATTRS{class}=="0x040000"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000007"
    ATTRS{device}=="0x8852"
    ATTRS{msi_bus}==""
    ATTRS{local_cpulist}=="0-2"
    ATTRS{vendor}=="0x14f1"
    ATTRS{subsystem_device}=="0x7911"
    ATTRS{numa_node}=="0"

  looking at parent device '/devices/pci0000:00/0000:00:04.0':
    KERNELS=="0000:00:04.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="pcieport"
    ATTRS{irq}=="41"
    ATTRS{subsystem_vendor}=="0x1019"
    ATTRS{broken_parity_status}=="0"
    ATTRS{class}=="0x060400"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000007"
    ATTRS{device}=="0x9604"
    ATTRS{msi_bus}=="1"
    ATTRS{local_cpulist}=="0-2"
    ATTRS{vendor}=="0x1022"
    ATTRS{subsystem_device}=="0x2285"
    ATTRS{numa_node}=="0"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

I'm running Mythtv 0.27 fixes in an Ubuntu 12.04 desktop combined FE/BE.
Direction for sorting this out will be greatly appreciated.

Daryl