On Fri, Aug 19, 2022 at 8:22 AM Alexander Kanavin <alex.kana...@gmail.com> wrote: > > So which recent patch? Can you link to it please? >
https://patchwork.yoctoproject.org/project/oe-core/patch/20220813170156.4040589-1-raj.k...@gmail.com/ but this needs to remove sysinit from target, I have meant to send a v2 but had no time to do so far. > Alex > > > On Fri, 19 Aug 2022 at 17:13, Drew Moseley <drew.mose...@gmail.com> wrote: > > > > > > On 8/19/22 11:07 AM, Dragos-Marian Panait wrote: > > > > > > On 19.08.2022 17:34, Drew Moseley wrote: > > > > [Please note: This e-mail is from an EXTERNAL e-mail address] > > > > > > On 8/19/22 8:50 AM, Dragos-Marian Panait wrote: > > > > 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 > > > > > > Interesting. I guess this patch should definitely be ignored and the patch > > from Khem that removes both the dev-hwrng and systemd-udev-settle depencies > > is the right approach. That means that the original problem that adding > > systemd-udev-settle was meant to solve, is no longer solved but it seems > > that the proposed solutions here have adverse effects elsewhere. > > > > Simply removing the systemd-udev-settle dependency fixes the issue that my > > customer has that caused me to start investigating here. > > > > Drew > > > > -- > > mailto:d...@moseleynet.net > > > > Sorry for the confusion, I did not test any additional patches/changes that > > have been suggested in this email thread. > > My test was performed on current Yocto master sources. No additional > > patches. > > I just wanted to inform that the boot delay is also observed on real hw, > > not just qemu. > > Again, sorry for the confusion. > > > > Dragos > > > > > > Sorry for adding to the confusion. My point was intended to be that I am > > fairly certain the recent patch submitted by Khem will resolve the boot > > delay issue you are having as well as the original boot delay caused by > > systemd-udev-settle. > > > > Drew > > > > -- > > mailto:d...@moseleynet.net > > > > > > > >
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