Re: [OE-core][PATCH] rng-tools: Replace obsolete "wants systemd-udev-settle"

[Drew Moseley <drew.moseley@gmail.com>]

On 7/26/22 9:17 AM, drew.moseley@gmail.com wrote:

> From: Drew Moseley <drew@moseleynet.net>
>
> The systemd-udev-settle service is listed as obsolete and does in
> some cases result in a significant boot time.  Replace that with
> "after systemd-modules-load" to allow the random source hardware
> to be loaded in the proper sequence.
>
> Before this change:
>
>     Startup finished in 4.025s (kernel) + 2min 13.236s (userspace) = 2min 17.262s
>     multi-user.target reached after 2min 8.153s in userspace
>
> After this change:
>
>     Startup finished in 3.956s (kernel) + 13.294s (userspace) = 17.250s
>     multi-user.target reached after 9.522s in userspace
>
> Signed-off-by: Drew Moseley <drew@moseleynet.net>
> ---
>   meta/recipes-support/rng-tools/rng-tools/rngd.service | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta/recipes-support/rng-tools/rng-tools/rngd.service b/meta/recipes-support/rng-tools/rng-tools/rngd.service
> index 568686e80e..e818cfcf78 100644
> --- a/meta/recipes-support/rng-tools/rng-tools/rngd.service
> +++ b/meta/recipes-support/rng-tools/rng-tools/rngd.service
> @@ -3,7 +3,7 @@ Description=Hardware RNG Entropy Gatherer Daemon
>   DefaultDependencies=no
>   After=systemd-udev-settle.service
>   Before=sysinit.target shutdown.target
> -Wants=systemd-udev-settle.service
> +After=systemd-modules-load.service
>   Conflicts=shutdown.target
>   
>   [Service]


Hi Khem, Claudius,

Any thoughts on this change? Obviously I cannot verify if the original 
hardware combination issue is resolved and unfortunately it sounds like 
you cannot either but I'm using this successfully to work around the 
delayed boots I was seeing here.

Drew

-- 
mailto:drew@moseleynet.net