Hi Claudius,
On 19.08.2022 12:36, Claudius Heine wrote:
[Please note: This e-mail is from an EXTERNAL e-mail address]
Hi Dew.
On 2022-08-15 20:25, drew.mose...@gmail.com wrote:
From: Drew Moseley <d...@moseleynet.net>
The previous change to remove the dependency on systemd-udev-settle
caused boot delays at least on qemu. It seems that change required
a hwrng device but that's not necessarily available on all platforms.
This changes the "Requires" to a "WantedBy" as modeled after the
version of this file on Ubuntu 20.04.
Signed-off-by: Drew Moseley <d...@moseleynet.net>
---
meta/recipes-support/rng-tools/rng-tools/rng-tools.service | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git
a/meta/recipes-support/rng-tools/rng-tools/rng-tools.service
b/meta/recipes-support/rng-tools/rng-tools/rng-tools.service
index 0f50890dcb..b013d95932 100644
--- a/meta/recipes-support/rng-tools/rng-tools/rng-tools.service
+++ b/meta/recipes-support/rng-tools/rng-tools/rng-tools.service
@@ -3,8 +3,6 @@ Description=Hardware RNG Entropy Gatherer Daemon
DefaultDependencies=no
After=systemd-udev-settle.service
Before=sysinit.target shutdown.target
-Requires=dev-hwrng.device
-After=dev-hwrng.device
Conflicts=shutdown.target
[Service]
@@ -32,3 +30,4 @@ SystemCallFilter=@system-service
[Install]
WantedBy=sysinit.target
+WantedBy=dev-hwrng.device
This looses the order. Have you tried just replacing `Requires` with
`Wants`. So something like this:
```
Before=sysinit.target shutdown.target
Wants=dev-hwrng.device
After=dev-hwrng.device
Conflicts=shutdown.target
```
If that still would cause the long waiting time on qemu?
I haven't investigated the qemu issue, but maybe qemu just doesn't
provide a hardware random source? If it doesn't provide a hardware
random source, then installing rng-tools on there might also not make
sense.
Alternatively maybe just adding a start timeout might solve it?
regards,
Claudius
I've tested the patch on a NUC7, results are the same as with qemu:
- increased boot time
- timeout for rng-tools.service
[ TIME ] Timed out waiting for device /dev/hwrng.
[DEPEND] Dependency failed for Hard…e RNG Entropy Gatherer Daemon.
Regards,
Dragos
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