[lfs-support] LFS 7.0 - No Devices in /dev on boot up - Kernel then shuts off PC

Ken Moffat zarniwhoop at ntlworld.com
Mon Jan 9 13:57:45 PST 2012


On Mon, Jan 09, 2012 at 02:13:37PM -0700, jasonpsage at jegas.com wrote:
> I have been reading how Bruce Dubbs had this same problem and how ken
> said to compile the Kernel with:
> 
> CONFIG_DEVTMPFS=y and CONFIG_DEVTMPFS_MOUNT=y
> 
> This solved Bruce's problem. I found the closest matches for these
> settings in the Kernel Configuration screen and they are on by default.
> 
> Bummer is it was looking so hopeful when the kernel started to boot
> until I got hit with the colored [FAILS]
> 
> And as best as I could tell (scrolls up pretty fast) it was device not
> existant.
> 
> I'll keep hammering, but any ideas are welcome.
> 
> --Jason
> 
 I suggested it to someone, but I'm fairly sure wasn't Bruce!  I got
it from Andy (probably back in October).

 The DEVTMPFS was, for me, a workaround where '/' was mounted but
none of the other filesystems (particularly, my separate /home)
existed because of non-present device nodes (bad kernel config - I'd
left in the legacy CONFIG_SYSFS_DEPRECATED).

 Without knowing which bootscript failed - can you login, or does it
shutdown when you press enter ?  It seems you have started userspace
(i.e. init runs the bootscripts), so perhaps try init=/bin/bash and
then step through the scripts in order (rcS.d first).

ĸen
-- 
das eine Mal als Tragödie, das andere Mal als Farce



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