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<fotte>
Hi everyone. Not really yocto related, but maybe someone knows something.. I have an i.MX6 ULL SOC, which is a cortex A7 core - does this support the 'Arm accelerated cryptographic algorithms' that can be compiled into the kernel?
<pretec>
I was explaining a team where to find the releases and information about the yoctoproject and then we stumbled over the wrong information.
<pretec>
In case anyone with write access to the website is reading here: Can we fix this? :-)
<rber__>
@mbulut the only caveat with bitbake-getvar is that it only shows you the order in which operators show up in the sources, which is not necessary the order in which they are applied. Take care with :append :prepend :remove since they are applied after parsing
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<mbulut>
rber__, good point, yes
<mbulut>
thx for the heads-up
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<RP>
pretec: could you email helpdesk@yoctoproject.org and mention that please?
<pretec>
@RP, yes, will do
<RP>
pretec: thanks
<mbulut>
is there anything handy in bb.utils for space separated list operations?
<mbulut>
things like join, filter, etc?
<mbulut>
or better use vanilla python?
<RP>
mbulut: doesn't standard python work?
<RP>
right :)
<mbulut>
:)
<mbulut>
i was just thinking maybe there's sth like the cmake list functions for recurring things
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<Guest74>
Hello
<Guest74>
did anyone tried to use read-only rootfs with systemd and had problem with systemd-hostnamed service?
<Guest74>
We need to change hostname in runtime while having whole rootfs mounted as ro
<Guest74>
then, when trying to change hostname with hostnamectl we run into following issue
<Guest74>
# hostnamectl set-hostname a
<Guest74>
Could not set static hostname: /etc/hostname is in a read-only filesystem.
<Guest74>
Hint: use --transient option when /etc/machine-info or /etc/hostname cannot be modified (e.g. located in read-only filesystem).
<Guest74>
our idea was to create a symlink for /etc/hostname to some persistent partition
<Guest74>
so now we are able to write to it e.g. `echo a > /etc/hostname`
<Guest74>
but using hostnamectl still fails
<mbulut>
you could put an overlay on your ro rootfs
<wojci>
Guest74, You probably need to use an overlay FS which would allow you to write to /etc if configured so.
<Guest74>
any idea why?
<Guest74>
thanks, we thought about overlay fs but is it safe? if whole etc has writeable overlay then anything there can be changed, custom config failes, services drop-ins..
<rfs613>
khem: no changes to pressure settings, using distro defaults (ubuntu-20.04 fwiw)
<mbulut>
you don't need to have an overlay over everything
<mbulut>
you can do it on folder granularity
<Guest74>
understood, but still, if I want to have `/etc/hostname` as an overlay then whole `/etc` needs to have overlay
<Guest74>
and as I said, then everything in `/etc` can be changed
<Guest74>
or maybe there is a way to only allow /etc/hostname to be writeable? we tried with `mount --bind` and event `mount` returns that /etc/hostname is rw, hostnamectl still return that read-only error
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<wojci>
OVERLAYFS_WRITABLE_PATHS looks like it can be used to specify directories .. I don't know if this can be used to specify a list of files that can be changed.
<mbulut>
Guest74, have you tried running hostnamectl with strace to see what files it accesses? maybe it takes a different route or touches additional files...
<mbulut>
and how -- maybe it doesn't follow symlinks?
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<Guest74>
wojci thanks, I will look into that, I did not know this
<Guest74>
mbulut yes, I did run it with strace as I was also thinking that I will find something there, but TBH I did not get anything out of it... And yes, it does look like it doesn't follow symlink but I have no idea how I could prove that
<mbulut>
hmm.. maybe check source code?
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<DvorkinDmitry>
Using Scarthgap. how can I change the CLANG version in meta-clang? v 18.1.6 is too new
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<khem>
rfs613: interesting, I would suggest to build some large package e.g. say webkit or llvm, using old SSD and then the NVME one and see if that also has similar outcome
<khem>
atleast you can remove the complexity a tad bit and see if the PCIE lanes are not too crowded for that much of data to pass through
<rfs613>
khem: how about rust? that's one of the biggest ones, part of the builds I was doing.
<khem>
sometimes things do not work as advertized :)
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<rfs613>
it takes a good half hour to build that one...
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<JaMa>
rust is slow, but a lot less parallelized build compared to nodejs or chromium
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<khem>
yeah half an hour build will give you stark difference in numbers if it exists
<khem>
yeah chromium might be a better one for benchmarking disk performance
<khem>
or webkit perhaps will be even better since it wont take hours like chromium to build
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