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List:       linux-hotplug
Subject:    udev: USB Printers not printing [solved]
From:       Max Euer <m.euer () zonnet ! nl>
Date:       2016-04-19 16:38:02
Message-ID: 57165EEA.20701 () zonnet ! nl
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Dear Sirs!
I am no computer expert at all, only an ordinary Linux user for 16 years.
I noticed that with the introduction of udev a couple of years ago some things 
stopped working:
notably my USB printer: lpq: queue-name:no daemon present.
This was not the case when udev was prevented from starting at boot time.
Well, you may say 'Why's he clinging on to this old dilapidated lpr thingy?'
I won't bore you with the reason why.
I could not find a solution on the internet but a hint in the udev documentation 
made me do this:
creating a device-node usblp0 in /lib/udev/devices/ did the trick.

I might also mention that even the cd-player device did not work with an 
ordinary program like alsaplayer for the same reason: /dev/cdrom not being present.
[udev created a cdrom1 but it is not used]

Remains the question of how to create those device-nodes.
I could only do it by booting without udev by doing
cp -a /dev/usblp0{cdrom} /lib/udev/devices/
[MAKEDEV refuses to run when udev is on]
I won't mention other strange behaviours like udev renaming my only eth card 
from eth0 to eth1 but that was easy to fix.[pardon me for having it mentioned 
anyway]

Hoping this information has been of mild interest to you but for an ordinary 
user those common devices not working are a real pain in the ass;
I remain, with compliments
Yours truly

-- 
Max Euer - Oud Lemiers 18 - NL6295AT Lemiers -
T (NL 06)1840 3128 - F (NL 084)716 4118 - E  m.euer@zonnet.nl

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