On 07/29/13 at 09:08am, Harald Hoyer wrote:
> On 06/06/2013 11:56 AM, WANG Chao wrote:
> > Currently in initrd, hardware clock is always considered to use UTC time
> > format and system time zone is also UTC. Thus system time isn't correct
> > if hw clock is localtime or we're using other time zone in real root.
> >
> > To fix this, install /etc/adjtime and /etc/localtime to initrd. If not
> > using systemd, install /usr/sbin/hwclock for dracut init to setup system
> > time.
> >
> > Signed-off-by: WANG Chao <chaowang@xxxxxxxxxx>
> > Signed-off-by: Harald Hoyer <harald@xxxxxxxxxx>
> > ---
> > modules.d/99base/init.sh | 9 +++++++++
> > modules.d/99base/module-setup.sh | 11 +++++++++++
> > 2 files changed, 20 insertions(+)
> >
> > diff --git a/modules.d/99base/init.sh b/modules.d/99base/init.sh
> > index 880a2c0..c72129b 100755
> > --- a/modules.d/99base/init.sh
> > +++ b/modules.d/99base/init.sh
> > @@ -55,6 +55,15 @@ if ! ismounted /dev; then
> > exit 1
> > fi
> >
> > +# setup system time
> > +if [ -f /etc/adjtime ]; then
> > + if strstr "$(cat /etc/adjtime)" LOCAL; then
> > + hwclock --hctosys --localtime
> > + else
> > + hwclock --hctosys --utc
> > + fi
> > +fi
> > +
> > # prepare the /dev directory
> > [ ! -h /dev/fd ] && ln -s /proc/self/fd /dev/fd >/dev/null 2>&1
> > [ ! -h /dev/stdin ] && ln -s /proc/self/fd/0 /dev/stdin >/dev/null 2>&1
> > diff --git a/modules.d/99base/module-setup.sh b/modules.d/99base/module-setup.sh
> > index 4955b7b..77ba79c 100755
> > --- a/modules.d/99base/module-setup.sh
> > +++ b/modules.d/99base/module-setup.sh
> > @@ -28,6 +28,17 @@ install() {
> > egrep '^root:' "$initdir/etc/passwd" 2>/dev/null || echo 'root:x:0:0::/root:/bin/sh' >> "$initdir/etc/passwd"
> > egrep '^nobody:' /etc/passwd >> "$initdir/etc/passwd"
> >
> > + # install /etc/adjtime and time zone data
> > + if [[ $hostonly ]]; then
> > + dracut_install -o /etc/adjtime \
> > + /etc/localtime
> > + fi
> > +
> > + # Our init.sh script needs hwclock to set system time
> > + if [[ $hostonly ]] && ! dracut_module_included "systemd"; then
> > + dracut_install -o hwclock
> > + fi
> > +
> > # install our scripts and hooks
> > inst_script "$moddir/init.sh" "/init"
> > inst_script "$moddir/initqueue.sh" "/sbin/initqueue"
> >
>
> Hmm, people do not like it :-/
>
> Bug 981617 - please take /etc/adjtime out of the initramfs so it doesn't
> override the existing file system version
>
> https://bugzilla.redhat.com/show_bug.cgi?id=981617
I read through the whole bz. It's not a good idea to rebuild normal boot
initrd every time when time zone changed.
Please revert it as you like. I can apply this feature in our kdump case
only.
Thanks,
WANG Chao
>
>
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