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Linux From Scratch This Forum is for the discussion of LFS.
LFS is a project that provides you with the steps necessary to build your own custom Linux system.

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Old 07-27-2007, 12:20 PM   #1
Vitalie Ciubotaru
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Registered: Dec 2005
Location: Osaka, Japan
Distribution: Ubuntu Trinity
Posts: 153

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Question RNG not detected


Hi everybody,

This is not a real problem, but it's sorta annoying...
During the loading-kernel-modules stage of LFS bootup I get the following message
Code:
hw_random: RNG not detected
modprobe: FATAL: Error inserting module hw_random (/lib/modules/blablabla/hw_random.ko): No such device
I know that the motherboard doesn't contain a random number generator chip. I also know that neither /etc/modprobe.conf not /etc/modules.conf contain anything that would force hw_random.ko to get loaded. So why on the earth does it display this message?
Anybody encountered this type of problem?

P.S.: I searched for similar threads, but with no luck.
 
Old 07-28-2007, 12:52 AM   #2
reccaX
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Registered: Apr 2007
Location: DKI Jakarta
Distribution: ubuntu
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Hi, maybe this problem cause your kernel wasn't made in that computer so any other informations about that kernel was missing. Whether this problem appears in your computer that compiled that kernel?? I had found this problem too when i copied my lfs to other computer.. Hmm but, any body knew about the meaning this message??????

trims..
 
Old 08-05-2007, 05:57 PM   #3
Vitalie Ciubotaru
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Registered: Dec 2005
Location: Osaka, Japan
Distribution: Ubuntu Trinity
Posts: 153

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Yeah, it is definitely because of a recent motherboard change. I understand the message. I don't get WHY it is there...
New hardware is detected, a kernel module is loaded and /dev entries appear. No hardware - no request for a module, right? Wrong...
 
Old 08-05-2007, 06:11 PM   #4
jschiwal
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Check the /etc/modprobe.conf and the /etc/modprobe.d/* files. You may have a line for hw_random.
 
Old 08-08-2007, 08:36 AM   #5
Vitalie Ciubotaru
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Registered: Dec 2005
Location: Osaka, Japan
Distribution: Ubuntu Trinity
Posts: 153

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Rep: Reputation: 30
Quoting myself
Quote:
I also know that neither /etc/modprobe.conf not /etc/modules.conf contain anything that would force hw_random.ko to get loaded
BLFS doesn't include /etc/modprobe.d directory

Vitalie Ciubotaru
 
  


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