Hi Michal, /dev/rtc symlink is created by udev default rules. Maybe we can check for both: /dev/rtc and /dev/rtc0. -- Julio Cesar Faracco Em seg., 16 de mar. de 2020 às 15:16, Michal Prívozník <mprivozn@xxxxxxxxxx> escreveu: > > 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 >
