Is it possible to use a stream for initrd=

Tobias Powalowski tobias.powalowski at googlemail.com
Wed Feb 9 01:32:24 PST 2022


Sorry you misunderstood, I don't want to create the initrd.img file.
I want to pass the zstd directly to kexec initrd= option.
greetings
tpowa

Am Mi., 9. Feb. 2022 um 10:28 Uhr schrieb Baoquan He <bhe at redhat.com>:
>
> On 02/09/22 at 10:16am, Tobias Powalowski wrote:
> > Hi,
> > I have a tmp directory with all files placed in:
> > find . -mindepth 1 -printf '%P\0' | sort -z | LANG=C bsdtar --uid 0
> > --gid 0 --null -cnf - -T - |\
> >     LANG=C bsdtar --null -cf - --format=newc @- | zstd -T0 > /initrd.img
> >
> > and this initrd.img I want to write into kexec without creating the initrd file.
> >
> > kexec -l /vmlinuz-linux --initrd=/initrd.img --reuse-cmdline
> >  systemctl kexec
>
> See manpage of kexec, the EXAMPLE part:
>
> kexec -l /boot/vmlinux  --initrd=/boot/initrd --reuse-cmdline
> kexec -e
>


-- 
Tobias Powalowski
Archlinux Developer & Package Maintainer (tpowa)
https://www.archlinux.org
tpowa at archlinux.org

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Herzog-Georg-Str. 25
89415 Lauingen
https://www.st-martin-apo.de
info at st-martin-apo.de



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