[systemd-devel] sys-module-fuse.device: Failed to enqueue SYSTEMD_WANTS= job, ignoring: Unit modprobe at fuse.service is masked

Reindl Harald h.reindl at thelounge.net
Tue Feb 9 11:17:04 UTC 2021



Am 08.02.21 um 23:42 schrieb Mike Gilbert:
> On Mon, Feb 8, 2021 at 2:31 PM Reindl Harald <h.reindl at thelounge.net> wrote:
>>> I think removing this symlink would prevent /sys/fs/fuse/connections
>>> from being mounted and the fuse module from being loaded
>>> unconditionally on boot
>>
>> no
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=1909805#c6
> 
> It almost works for me on Gentoo Linux.
> To test, I first had to reconfigure my kernel to build FUSE as a
> module (I normally have it built-in).
> I then removed the sys-fs-fuse-connections.mount symlink from
> sysinit.target.wants.
> After rebooting with the new kernel, the FUSE module is not loaded and
> /sys/fs/fuse/connections is not mounted.
> 
> Unfortunately, mounting FUSE-based file systems does not work until I
> manually run "modprobe fuse".
> It seems that my kernel does not auto-load the module, despite the
> static /dev/fuse node. The kernel is probably missing a call to
> __request_module().
> 
> Given that the kernel doesn't auto-load the module on demand, leaving
> the sysinit.target.wants symlink in place seems like the safe thing to
> do.

but for sure not on a stripped down machine running a iptables-nft 
ruleset, a socket-activated sshd and nohting else

if it's me for server setups the "fuse" kernel-module could be in 
"kernel-modules" which is not installed and needed for virtualized guests

the point is that all this setups where happy without fuse loaded from 
2008 to 2021 and you can't even avoid it with F33 at all, no matter what 
you delete or mask

a active masked unit - seriously? :-)

[root at rawhide ~]# systemctl status sys-module-fuse.device 
sys-fs-fuse-connections.mount
● sys-module-fuse.device - /sys/module/fuse
      Loaded: masked (Reason: Unit sys-module-fuse.device is masked.)
      Active: active (plugged) since Mon 2021-02-08 19:33:18 CET; 1min 
42s ago
      Device: /sys/module/fuse


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