On 7/7/26 1:56 PM, Alessandro Vesely via Dng wrote:
> Hi all,
>
> after a (successful) boot, dmesg shows lines like the following:
>
> [    1.037451] udevd[225]: starting version 3.2.14
> [    2.041066] random: crng init done
> [    2.042598] udevd[227]: starting eudev-3.2.14
>
> That middle log is printed by random.c:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/char/random.c#n738
>
>
> The udevd init file stays at /etc/rcS.d/S02udev.
>
> Unsuccessful boots hang at the first line shown above. Alt-SysRq-b to
> try again.  Usually after a few trials it succeeds.  Yesterday,
> however, it took hours to do 30+ attempts. This bug is described here:
> https://unix.stackexchange.com/questions/442698/when-i-log-in-it-hangs-until-crng-init-done#answer-442744
>
>
> I had installed haveged; to no avail, since no init script was
> installed.  Now I reported this:
> https://bugs.devuan.org/cgi/bugreport.cgi?bug=968
>
> However, after manually installing the init script provided in the
> package, it does not get linked in rcS.d.  If I insert an "S" before
> "2 3 4 5" of Default-Start, I get some warnings:
>
> Script haveged requires $remote_fs, which is not provided directly at
> level SS
> Script haveged optionally requires $syslog, which is not provided
> directly at level SS
> Script haveged requires $local_fs, which is not provided directly at
> level SS
> Script haveged optionally requires mountnfs, provided by mountnfs.sh,
> which is not enabled at S level S
> Script haveged optionally requires mountnfs-bootclean, provided by
> mountnfs-bootclean.sh, which is not enabled at S level S
> Script haveged optionally requires umountnfs, provided by
> umountnfs.sh, which is not enabled at S level S
> Script haveged optionally requires sendsigs, provided by sendsigs,
> which is not enabled at S level S
> Script haveged optionally requires rsyslog, provided by rsyslog, which
> is not enabled at S level S
> Script haveged optionally requires sysklogd, which is not provided at
> level SS
> Script haveged optionally requires syslog-ng, which is not provided at
> level SS
> Script haveged optionally requires dsyslog, which is not provided at
> level SS
> Script haveged optionally requires inetutils-syslogd, which is not
> provided at level SS
> Script haveged optionally requires mountall, provided by mountall.sh
> (at order 10) at level SS
> Script haveged optionally requires mountall-bootclean, provided by
> mountall-bootclean.sh (at order 11) at level SS
> Script haveged optionally requires mountoverflowtmp, which is not
> provided at level SS
> Script haveged optionally requires umountfs, provided by umountfs,
> which is not enabled at S level S
>
>
> Perhaps I should create a custom script that runs haveged once to
> generate some entropy before running udev?
>
>
> Best
> Ale

Did you place the script in /etc/init.d and run *update-rc.d haveged
defaults*?