On 2. 3. 2020 1:54, Julio Faracco wrote: > This commit share host Real Time Clock device (rtc) into LXC containers > to support hardware clock. This should be available setting up a `rtc` > timer under clock section. Since this option is not emulated, it should > be available only for `localtime` clock. This option should be readonly > due to security reasons. > > Before: > root# hwclock --verbose > hwclock from util-linux 2.32.1 > System Time: 1581877557.598365 > Trying to open: /dev/rtc0 > Trying to open: /dev/rtc > Trying to open: /dev/misc/rtc > No usable clock interface found. > hwclock: Cannot access the Hardware Clock via any known method. > > Now: > root# hwclock > 2020-02-16 18:23:55.374134+00:00 > root# hwclock -w > hwclock: ioctl(RTC_SET_TIME) to /dev/rtc to set the time failed: > Permission denied > > Signed-off-by: Julio Faracco <jcfaracco@xxxxxxxxx> > --- > docs/formatdomain.html.in | 2 +- > src/lxc/lxc_cgroup.c | 33 ++++++++++++++++++++ > src/lxc/lxc_controller.c | 66 +++++++++++++++++++++++++++++++++++++++ > 3 files changed, 100 insertions(+), 1 deletion(-) On my system, the /dev/rtc is just a symlink to /dev/rtc0. Should we create the symlink too or is it okay to just create /dev/rtc? Otherwise looking good. Michal