[systemd-bugs] [Bug 80495] /sys/fs/cgroup mounted as read-only [breaks userspace]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80495

Neil Horman <nhorman at tuxdriver.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|NOTABUG                     |---

--- Comment #3 from Neil Horman <nhorman at tuxdriver.com> ---
This still seems to be a problem, in that it assume that all cgroups are part
of the monolithic file system.  Several cgroups (net_cls and net_prio), can be
built as modules, and so their presence may not be noted until some arbitrary
time after boot.  Systemd needs to be able to handle that case.  I'd recommend
that it not mount the fs heirarchy read-only until after it has interrogated
/etc/modules-load.d.  That way loading of the requisite modules to register
those cgroups can just be mandated prior to read-only mounting.

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