udev 070 and coldplugged usb mice

udev 070 and coldplugged usb mice

[Anthony Awtrey]

I have a tablet device with an internally connected usb mouse pointer
running Debian unstable. I'm using linux kernel version 2.6.13.2 and
Marco's debian unstable package udev-0.070-3. That udev package
conflicts out the hotplug package completely which may have done the
coldplugging correctly before.

Neither the usb driver for the mouse, nor the general PS/2 mousedev
driver load automatically at boot time. I've gotten around this by
running an ugly hack coldplug catchup script as the last run-level S script:

  for i in /sys/bus/*/*/*/modalias
  do
    modprobe `cat $i`
  done
  modprobe mousedev

I see udevsynthesize is running during the udev init script and the
devices are showing up as expected under the /sys/bus/* directories even
when the usb modules don't loading automatically. Should udev
automatically load all drivers via udevsynthesize without some kind of
additional coldplugging hack? Or is this expected behaviour?

T
-- 
Anthony L. Awtrey
Chief Technology Officer
[T]  407.999.9870 x13
[F]  407.999.9850

I.D.E.A.L. Technology Corporation
http://www.idealcorp.com

"The Leader in Linux and Open Source Solutions"



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Re: udev 070 and coldplugged usb mice

[Marco d'Itri]

On Sep 29, Anthony Awtrey <tony@idealcorp.com> wrote:

> Neither the usb driver for the mouse, nor the general PS/2 mousedev
> driver load automatically at boot time. I've gotten around this by
This is not expected to happen. You are the only tester reporting this.
Please check that /etc/udev/rules.d/z55_hotplug.rules exists.

-- 
ciao,
Marco


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Re: udev 070 and coldplugged usb mice

[Anthony Awtrey]

On 09/29/2005 12:51 PM, Marco d'Itri wrote:
> On Sep 29, Anthony Awtrey <tony@idealcorp.com> wrote:
> 
> 
>>Neither the usb driver for the mouse, nor the general PS/2 mousedev
>>driver load automatically at boot time. I've gotten around this by
> 
> This is not expected to happen. You are the only tester reporting this.
> Please check that /etc/udev/rules.d/z55_hotplug.rules exists.
> 

I manually created that link to /etc/udev/hotplug.rules and now I see
the usb driver for the mouse.

It looks like your udev.preinst script does not run the 'check_version'
function if doing a clean install and the udev.postinst does not create
that link like the other ones in the create_rules_symlink functions.

If I manually install the mousedev driver at this point, then
/dev/input/mice gets created and all the usb mice show up as
/dev/input/mouse* as expected. Shouldn't the usb mice depend on the
mousedev driver?

T
--
Anthony L. Awtrey
Chief Technology Officer
[T]  407.999.9870 x13
[F]  407.999.9850

I.D.E.A.L. Technology Corporation
http://www.idealcorp.com

"The Leader in Linux and Open Source Solutions"



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Re: udev 070 and coldplugged usb mice

[Marco d'Itri]

On Sep 29, Anthony Awtrey <tony@idealcorp.com> wrote:

> function if doing a clean install and the udev.postinst does not create
> that link like the other ones in the create_rules_symlink functions.
Correct.

> If I manually install the mousedev driver at this point, then
> /dev/input/mice gets created and all the usb mice show up as
> /dev/input/mouse* as expected. Shouldn't the usb mice depend on the
> mousedev driver?
I don't remember. On sane systems mousedev is static anyway.

-- 
ciao,
Marco


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