so here the fixed code, seems the above did hit a race where date was
still finishing while fsck already started, so date needed to have 1 min
added to the last mount time ... also the check for the year limits to
only certain usecases so i dropped it. the code below works reliable now
(together with /usr/share/initramfs-tools/hooks/fixclock from above and
indeed fixrtc needs to be set permanently on the cmdline) :
o...@ubuntu:~$ cat /usr/share/initramfs-tools/scripts/local-premount/fixrtc
#!/bin/sh -e
# initramfs init-top script for fixrtc
PREREQ=""
# Output pre-requisites
prereqs()
{
echo "$PREREQ"
}
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
# use the fixrtc cmdline option in your bootloader to
# automatically set the hardware clock to the date of
# the last mount of your root filesystem to avoid fsck
# to get confused by the superblock being in the future
BROKEN_CLOCK=""
for x in $(cat /proc/cmdline); do
case ${x} in
root=*)
UUID=${x#*=}
UUID="${UUID#*=}"
;;
fixrtc)
BROKEN_CLOCK=1
;;
esac
done
if [ "$BROKEN_CLOCK" ];then
ROOTDISK=$(readlink -f /dev/disk/by-uuid/$UUID)
TIMESTR=$(dumpe2fs -h $ROOTDISK 2>/dev/null|grep "Last mount time")
TIME=${TIMESTR#*:}
date --set="${TIME} 1 minute"
hwclock --systohc
fi
--
Ignoring a broken clock results in infinite reboots; not ignoring results in
fsck failure; no solution to this problem
https://bugs.launchpad.net/bugs/563618
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