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Old 06-16-2009, 05:51 PM   #1
dchou4u
LQ Newbie
 
Registered: Nov 2004
Distribution: Fedora Core 2
Posts: 12

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Smile udev modprobes taking a LOONG time...


My boot process is taking about 40secs and 20secs of it was due to udev modprobing some modules in my system. These modules are driver modules which the kernel had already probed and loaded on boot.

I tried to edit modprobe.conf to 'install ABC /bin/true' to have it hopefully skip modprobing these modules, but it still waits for 20 secs before saying that the module is not found.

I even tried blacklisting using modprobe.d/blacklist, but it still does not skip it.

How do I resolve this problem? By the way, these modules are not compiled into the kernel as modules, but are actually linked in.

This is 2.6.19 on an ARM platform...

Thanks
 
Old 06-18-2009, 01:47 AM   #2
JZL240I-U
Senior Member
 
Registered: Apr 2003
Location: Germany
Distribution: openSuSE Tumbleweed-KDE, Mint 21, MX-21, Manjaro
Posts: 4,588

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I'm not sure I understand. Normally modules are loaded from /etc/rc.d/rc<#>.d where <#> is the number of the runlevel and consists of links to /etc/rc.d (or some such directory structure). Simply deleting the links for your runlevel should do the trick -- or just rename the proper directory.
 
Old 06-18-2009, 08:27 AM   #3
dchou4u
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Registered: Nov 2004
Distribution: Fedora Core 2
Posts: 12

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It is taking a long time in /etc/rc.d/init.d/udev and the command in this file is udevsynthesize. I think it is trying to populate the /dev devices.

Thanks
 
Old 06-18-2009, 08:31 AM   #4
JZL240I-U
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Registered: Apr 2003
Location: Germany
Distribution: openSuSE Tumbleweed-KDE, Mint 21, MX-21, Manjaro
Posts: 4,588

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Well, move it to somewhere else and look what happens. Rationale: What is not contained in your /etc/rc.d/init.d can't get started...
 
Old 06-18-2009, 08:32 AM   #5
dchou4u
LQ Newbie
 
Registered: Nov 2004
Distribution: Fedora Core 2
Posts: 12

Original Poster
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If I move the udev from /etc/rc.d/init.d, then my /dev devices are not populated... It's just the udevsynthesize command in that file...

I tried to remove the udevsynthesize command and my /dev devices are not populated as well...

Last edited by dchou4u; 06-18-2009 at 08:34 AM.
 
Old 06-18-2009, 08:34 AM   #6
JZL240I-U
Senior Member
 
Registered: Apr 2003
Location: Germany
Distribution: openSuSE Tumbleweed-KDE, Mint 21, MX-21, Manjaro
Posts: 4,588

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You just said that already?!?
 
  


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