RE: udev problem DVB-S/T Cards

["Razza" <rjames31@btopenworld.com>]

Matthias Schwarzott wrote on 02 May 2007 13:37:
> Some time ago I also tried this. But it will end up like persistent-net
> then.
> You need good criteria to name the devices. Else it will only be chaos.
> And most apps does not work with holes in the numbering as they just
> open
> devices starting from 0, until open fails.
> 
------------------8< SNIP! >8------------------
> 
> But this is untested.

The DVB section of my /etc/udev/rules.d/50-udev.rules is now as follows:

# DVB
KERNEL="dvb",                  MODE="0660"
SUBSYSTEM!="dvb", GOTO="dvb_end"
ACTION!="add", GOTO="dvb_end"

GROUP="video"
import{PROGRAM}="/bin/sh -c 'K=%k; K=$${K#dvb}; echo
ID_DVB_ADAPTER_KERNEL=$${K%%%%.*}; echo ID_DVB_DEVICE=$${K#*.}'"

IMPORT{program}="path_id %p"

#Here set ID_DVB_ADAPTER to be persistent # example:
ENV{ID_PATH}="pci-0000:01:08.0", ENV{ID_DVB_ADAPTER}="3"
ENV{ID_PATH}="pci-0000:01:06.0", ENV{ID_DVB_ADAPTER}="2"

# fallback-number
ENV{ID_DVB_ADAPTER_KERNEL}="?*", ENV{ID_DVB_ADAPTER}!="?*",
ENV{ID_DVB_ADAPTER}="$env{ID_DVB_ADAPTER_KERNEL}"

# Create device
ENV{ID_DVB_ADAPTER}="?*", ENV{ID_DVB_DEVICE}="?*",
NAME="dvb/adapter$env{ID_DVB_ADAPTER}/$env{ID_DVB_DEVICE}"

LABEL="dvb_end"

So, i'm assuming with the changes the nodes should be /dev/dvb/adapter2/ and
/dev/dvb/adapter3/ ?
Unfortunately they are still being loaded as /dev/dvb/adapter0/ and
/dev/dvb/adapter1/

udevinfo -a -p $(udevinfo -q path -n /dev/dvb/adapter0/frontend0) gives the
following:

login as: root
root@192.168.10.138's password:
Last login: Wed May  2 22:28:32 2007 from 192.168.10.188
[root@MythBE ~]# udevinfo -a -p $(udevinfo -q path -n
/dev/dvb/adapter0/frontend0)

udevinfo starts with the device the node belongs to and then walks up the
device chain, to print for every device found, all possibly useful
attributes
in the udev key format.
Only attributes within one device section may be used together in one rule,
to match the device for which the node will be created.

  looking at device '/class/dvb/dvb0.frontend0':
    KERNEL="dvb0.frontend0"
    SUBSYSTEM="dvb"
    SYSFS{dev}="212:3"

  looking at device '/devices/pci0000:00/0000:00:10.0/0000:01:08.0':
    ID="0000:01:08.0"
    BUS="pci"
    DRIVER="budget dvb"
    SYSFS{msi_bus}=""
    SYSFS{broken_parity_status}="0"
    SYSFS{enable}="1"
    SYSFS{modalias}="pci:v00001131d00007146sv000013C2sd00001005bc04sc80i00"
    SYSFS{local_cpus}="1"
    SYSFS{irq}="21"
    SYSFS{class}="0x048000"
    SYSFS{subsystem_device}="0x1005"
    SYSFS{subsystem_vendor}="0x13c2"
    SYSFS{device}="0x7146"
    SYSFS{vendor}="0x1131"

  looking at device '/devices/pci0000:00/0000:00:10.0':
    ID="0000:00:10.0"
    BUS="pci"
    DRIVER=""
    SYSFS{msi_bus}="1"
    SYSFS{broken_parity_status}="0"
    SYSFS{enable}="1"
    SYSFS{modalias}="pci:v000010DEd0000026Fsv00000000sd00000000bc06sc04i01"
    SYSFS{local_cpus}="1"
    SYSFS{irq}="0"
    SYSFS{class}="0x060401"
    SYSFS{subsystem_device}="0x0000"
    SYSFS{subsystem_vendor}="0x0000"
    SYSFS{device}="0x026f"
    SYSFS{vendor}="0x10de"

  looking at device '/devices/pci0000:00':
    ID="pci0000:00"
    BUS=""
    DRIVER=""

udevinfo -a -p $(udevinfo -q path -n /dev/dvb/adapter1/frontend0) gives the
following:

  looking at device '/class/dvb/dvb1.frontend0':
    KERNEL="dvb1.frontend0"
    SUBSYSTEM="dvb"
    SYSFS{dev}="212:67"

  looking at device '/devices/pci0000:00/0000:00:10.0/0000:01:06.0':
    ID="0000:01:06.0"
    BUS="pci"
    DRIVER="budget_ci dvb"
    SYSFS{msi_bus}=""
    SYSFS{broken_parity_status}="0"
    SYSFS{enable}="1"
    SYSFS{modalias}="pci:v00001131d00007146sv000013C2sd00001017bc04sc80i00"
    SYSFS{local_cpus}="1"
    SYSFS{irq}="20"
    SYSFS{class}="0x048000"
    SYSFS{subsystem_device}="0x1017"
    SYSFS{subsystem_vendor}="0x13c2"
    SYSFS{device}="0x7146"
    SYSFS{vendor}="0x1131"

  looking at device '/devices/pci0000:00/0000:00:10.0':
    ID="0000:00:10.0"
    BUS="pci"
    DRIVER=""
    SYSFS{msi_bus}="1"
    SYSFS{broken_parity_status}="0"
    SYSFS{enable}="1"
    SYSFS{modalias}="pci:v000010DEd0000026Fsv00000000sd00000000bc06sc04i01"
    SYSFS{local_cpus}="1"
    SYSFS{irq}="0"
    SYSFS{class}="0x060401"
    SYSFS{subsystem_device}="0x0000"
    SYSFS{subsystem_vendor}="0x0000"
    SYSFS{device}="0x026f"
    SYSFS{vendor}="0x10de"

  looking at device '/devices/pci0000:00':
    ID="pci0000:00"
    BUS=""
    DRIVER=""

Have I missed something?


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