[systemd-devel] Failed to start up manager. Freezing execution.

[Caeri Tech]

To  *run Linux from RAM *I have a hook that copies the contents of the root
device to a zram device.  Here is a snip from the hook:

      mkdir /real_root/
      mount ${root} /real_root/
      modprobe zram
      zRAM__DEV=$(zramctl -f -fs $(free -m | awk '/Mem/ {print
int($2*2)"M"}') -a lzo -t $(nproc))
      mkfs.ext2 -q ${zRAM__DEV}
      .
      .
      .
      mount --type auto ${zRAM__DEV} /new_root/
      .
      .
      .
   rsync \
   --archive \
   --acls \
   --exclude boot \
   --exclude dev \
   --exclude mnt \
   --exclude proc \
   --exclude run \
   --exclude sys \
   --exclude tmp \
   --exclude lost+found \
   --verbose \
   --xattrs \
   --hard-links \
   \
   /real_root/ \
   /new_root/ \
   .
   .
   .
      umount /real_root/

When I remove quiet from the boot parameters and activate the hook the only
addition to the Freezing message is:

*:: running cleanup hook [udev]*

*Welcome to Arch Linux!*

But it still freezes execution.

The rescue and emergency shells do not start if I activate the hook and
again it freezes.    The shells do start, however, when the hook is not
activated.

On Mon, 24 Apr 2023 at 11:41, Lennart Poettering <lennart at poettering.net>
wrote:

> On Fr, 21.04.23 18:36, Caeri Tech (caeritech at gmail.com) wrote:
>
> > I've been running Linux from RAM for a couple years without issue.
> > However, since the upgrade from 252 to 253 the load to RAM fails and the
> > computer hangs with the message below:
> >
> > [!!!!!!] Failed to start up manager.
> > [  439.264894] systemd[1]: Freezing execution.
> >
> > What does this message mean and what new systemd 253 requirements do I
> > need to satisfy for the load to RAM to work as it did before?
>
> I am not sure "what running Linux from RAM" is precisely supposed to
> mean, but I am pretty sure the above message has little to do with
> amount of memory required. Enable debug output if output is too terse.
>
>
> https://freedesktop.org/wiki/Software/systemd/Debugging/#diagnosingbootproblems
>
> Lennart
>
> --
> Lennart Poettering, Berlin
>
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