Re: udev weirdness

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Mikkel L. Ellertson wrote:
> Konstantin Svist wrote:
>   
>> Mikkel L. Ellertson wrote:
>>     
>>> Konstantin Svist wrote:
>>>   
>>>       
>>>> Hi,
>>>>
>>>> Using the tutorial at http://reactivated.net/writing_udev_rules.html,
>>>> I've written a custom udev rule for my Zalman HD135 case - specifically,
>>>> for the built-in VFD + IR receiver. The rule looks something like this:
>>>>
>>>> ACTION=="add", SUBSYSTEMS=="usb", ATTRS{idVendor}=="0403",
>>>> ATTRS{idProduct}=="6001", SYMLINK+="lcd lcd-zalman-hd135"
>>>>
>>>> The problem is, sometimes (at reboot) it creates the symlinks to ttyUSB0
>>>> (as it's supposed to) -- but other times to usbdev[...]. When it links
>>>> to usbdev*, lirc and lcdproc don't work. If I run udevtrigger after the
>>>> system is up, the symlinks are created correctly every time.
>>>>
>>>> My question is, why does this happen? It's almost as if ttyUSB0 is not
>>>> created in time and the symlink gets assigned to the parent (as defined
>>>> by udevinfo). Unfortunately, udev doesn't seem to allow me to write a
>>>> rule that would match the final ttyUSB0 device...
>>>>
>>>>         
>>     
> One more dumb question - is that SUBSYSTEMS or SUBSYSTEM? It should
> be SUBSYSTEM, but you posted SUBSYSTEMS
>
> Mikkel
>   

Actually udevinfo shows both. The end device indeed says "SUBSYSTEM",
but the parents have "SUBSYSTEMS" instead

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