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Diffstat (limited to 'sys-utils/hwclock.8.in')
| -rw-r--r-- | sys-utils/hwclock.8.in | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys-utils/hwclock.8.in b/sys-utils/hwclock.8.in index 5df95e761..3c021bfe0 100644 --- a/sys-utils/hwclock.8.in +++ b/sys-utils/hwclock.8.in @@ -19,6 +19,19 @@ periodically to add or subtract time from the Hardware Clock to compensate for systematic drift (where the clock consistently loses or gains time at a certain rate when left to run). +Since v2.26 +.B hwclock +does not update Hardware Clock's drift factor in @ADJTIME_PATH@ by default. +It's necessary to use \fB\-\-update-drift\fR with \fB\-\-set\fR or +\fB\-\-systohc\fR to force drift factor update. + +Since v2.26 +.B hwclock +automatically compensates Hardware Clock to account for systematic drift before +using it to set the System Clock by \fB\-\-hctosys\fR. It means that +\fB\-\-adjust\fR is no more necessary during boot. This functionality makes +hwclock usable early in boot process when the root filesystem is read-only. + .SH FUNCTIONS You need exactly one of the following options to tell .B hwclock |