[systemd-devel] systemd-nspawn container not starting on RHEL9.0

[Lennart Poettering]

On Di, 09.08.22 12:40, Thomas Archambault (toma at TPArchambault.com) wrote:

> Thank you Lennart for the follow-up.
>
> There does appear to be mostly filesystem operations prior to my manually
> killing nspawn as you suggested. I only let it run about 3 minutes prior to
> sending a signal given that the strace output = ~25M.
>
> One obvious issue is the non-zero return from an ioctl call with the
> BTRFS_IOC_SUBVOL_CREATE arg at line 410, in the snippet below from my
> RHEL9.0 strace capture; this is occurring right after the initial blast of
> debug log messages. I'm trying to get a stack trace for that error
> currently.
>
>
> 410-2064 ioctl(5</>, BTRFS_IOC_SUBVOL_CREATE, {fd=0</dev/pts/0>,
> name=".#machine.c8578d59f810b73d"}) = -1 ENOTTY (Inappropriate ioctl for
> device)

That's the btrfs subvolume ioctl. It's expected to fail on non-btrfs
with ENOTTY, and given you have xfs this is behaving as it should.

It then starts copying things manually, which is slow. i.e. it's then
basically doing what "cp -a" does.

Lennart

--
Lennart Poettering, Berlin