path: root/README.debugging
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1 files changed, 6 insertions, 0 deletions
diff --git a/README.debugging b/README.debugging
index 76be415..47c756a 100644
--- a/README.debugging
+++ b/README.debugging
@@ -21,6 +21,12 @@ End-user customization and debugging:
environment variable to have that module removed when the system
suspends and reloaded when the system wakes up.
+* If your clock drifts across a sleep/wake cycle, you can use
+ NEED_CLOCK_SYNC="true" to force pm-utils to synchronize clocks.
+ This is a change in the default behaviour of pm-utils -- and earlier
+ always synchronized clocks, but doing so is slow and most hardware stays in
+ sync without assistance.
* To find out what parameters can be passed to pm-suspend and friends, run them
with '--help' as the first parameter as root. This will print out the
options that it supports and which hooks or modules handle those options.