Public bug reported:
Binary package hint: gnome-panel
I filed this bug using the PID of the clock-applet and ubuntu bug, but I think
the clock-applet only shows a symptom, Here is
a description :
Expected Behaviour :
Clock-applet displays the correct time,
Observed Behaviour :
Displayed time is drifting
How to reproduce :
If I get away from my computer for some times, the time displayed by the
clock applet drifts. But the date command also show the wrong time.
Moreover, sleep interval also get wrong. To debug this, I tested the
following script :
#!/bin/bash
while [[ true ]]
do
date >> clocktest.log
hwclock >> clocktest.log
sleep 300
done
Must be run as root because of hwclock.
Il launched it : ./clocktest.sh &
and got away from my computer
Here is the output log :
1 mardi 17 août 2010, 12:42:12 (UTC+0200)
2 mar. 17 août 2010 12:42:13 CEST -0.346882 secondes
3 mardi 17 août 2010, 12:47:13 (UTC+0200)
4 mar. 17 août 2010 12:57:13 CEST -0.080965 secondes
5 mardi 17 août 2010, 12:52:13 (UTC+0200)
6 mar. 17 août 2010 13:02:14 CEST -1.002776 secondes
7 mardi 17 août 2010, 12:57:18 (UTC+0200)
8 mar. 17 août 2010 13:07:18 CEST -0.063633 secondes
9 mardi 17 août 2010, 13:02:18 (UTC+0200)
10 mar. 17 août 2010 13:12:19 CEST -0.361501 secondes
11 mardi 17 août 2010, 13:07:19 (UTC+0200)
12 mar. 17 août 2010 13:17:20 CEST -0.987434 secondes
Line 1 and 2 show the first time through the loop.
Line 3 and 4 show the bug :
while date (and sleep) thinks 5 minutes have elapsed, hwclock shows that 15
minutes have elapsed.
Line 5 to 12 shows normal behaviour, except now date is late by 10 minutes.
Behaviour is normal because I was back at my desk using the computer.
Having clock applet displaying the wrong time is one thing, but having
the whole system time wrong (since sleep gets confused too) is a major
bug.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gnome-panel 1:2.30.2-0ubuntu0.2
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Wed Aug 18 09:43:59 2010
ExecutablePath: /usr/lib/gnome-panel/clock-applet
ProcEnviron:
LANG=fr_FR.utf8
PATH=(custom, user)
SHELL=/bin/bash
SourcePackage: gnome-panel
XsessionErrors:
(polkit-gnome-authentication-agent-1:1990): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
(gnome-terminal:2235): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion
`entry != NULL && entry->lock_count > 0' failed
(<unknown>:2763): Gdk-WARNING **: XID collision, trouble ahead
(<unknown>:2763): Gdk-WARNING **: XID collision, trouble ahead
** Affects: gnome-panel (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
--
Clock drifts during inactivity
https://bugs.launchpad.net/bugs/619677
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