Jean-Philippe MENGUAL wrote:
> Hi,
>
> As I finished a lfs 7.1 before 7.2 release, I try finishing before
> updating. And I have a boot problem.
> 1. My tmpfs entry in fstab is good. My dev entry too.
> 2. CONFIG_TMPFS=y
> 3. I have a /run dir
>
> 1st thing strange: I don't understand, in the book, "ln
> -s /run/lock /var/lock" (chap6.5) which creates a broken symlink ( /run
> is empty). Moreover, at boot, I get a message: "cannot find /dev in
> fstab" then "can't find /run/var/bootlog".
>
> Could it be a kernel problem? A bootscript problem? Can I workaround or
> fix?
There are a couple of things. What are the contents of your fstab?
/run and /dev should be specified as
tmpfs /run tmpfs defaults 0 0
devtmpfs /dev devtmpfs mode=0755,nosuid 0 0
I'd suggest updating the LFS bootscripts to the latest version. Thy
won't break anything and we can be specific about what is happening.
In any case, mountvirtfs is the first script. It should mount /run as a
tmpfs and then create /run/{var,shm,lock}.
mountvirtfs also mounts /proc, /sys, and /dev if needed (the kernel
should have already done that).
Also note that the kernel must have devtmpfs enabled. See Chapter 8.3.
At this point you can also make temporary changes to mountvirtfs and add
some relevant echo or ls statements to try to understand what is happening.
-- Bruce
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