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Old 12-05-2012, 04:35 PM   #1
stf92
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Registered: Apr 2007
Location: Buenos Aires.
Distribution: Slackware
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Link /dev/mouse -> /dev/ttyS0 undone at reboot.


Hi:

I have
Code:
$ ls -l /dev/mouse
lrwxrwxrwx 1 root root 10 2012-12-05 11:33 /dev/mouse -> input/mice
$
I do
Code:
$ rm /dev/mouse
$ ln -s /dev/ttyS0 /dev/mouse
$ ls -l /dev/mouse
lrwxrwxrwx 1 root root 10 2012-12-05 11:33 /dev/mouse -> ttyS0
$
Now I reboot. The result is
Code:
$ ls -l /dev/mouse
lrwxrwxrwx 1 root root 10 2012-12-05 11:33 /dev/mouse -> input/mice
$
What is undoing the link? It happens at boot time.

kernel 2.6.21.5, Slackware 12.0
 
Old 12-05-2012, 05:29 PM   #2
ljb643
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The whole /dev tree is maintained by the udev system, and you can't do anything to it directly that will persist across reboots. You must use udev rules.

The /dev/mouse link is created by the rule /lib/udev/rules.d/40-slackware.rules
 
1 members found this post helpful.
Old 12-05-2012, 09:54 PM   #3
stf92
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Registered: Apr 2007
Location: Buenos Aires.
Distribution: Slackware
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Original Poster
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I see. However I do not change the link myself but I use pkgtool>Setup>mouse. After exiting pkgtool, /dev/mouse is pointing to /dev/ttyS0. If now, rebooting causes a udev rule to undo the link, then what is the use of pkgtool?
 
Old 12-06-2012, 03:50 PM   #4
ljb643
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pkgtool is useful for installing and removing packages. pkgtool can also run setup scripts. One of those setup scripts is setup.mouse, which (as you have discovered) seems to be obsolete and should have been removed from Slackware when udev was introduced. (But this is a problem with the "gpm" package in slackware, not with pkgtool itself.)
 
Old 12-07-2012, 06:37 PM   #5
stf92
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Registered: Apr 2007
Location: Buenos Aires.
Distribution: Slackware
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Original Poster
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OK. Well, what I did to have mouse in the text consoles was to replace, in /etc/rc.d/rc.gpm, the line '/usr/sbin/gpm -m /dev/mouse -t ms3' with '/usr/sbin/gpm -m /dev/ttyS0 -t ms3'.

In this way I don't mind where /dev/mouse points to.
 
  


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