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https://bugs.launchpad.net/bugs/1410582
Title:
[Trusty / Unity] Desktop got unlocked on its own.
Status in Unity:
In Progress
Status in Unity 7.2 series:
In Progress
Status in unity package in Ubuntu:
Fix Released
Bug description:
I have a user reporting an incidence that trusty unity desktop got
unlocked on its own:
"In the morning, after coming to my desk, I just pressed the space bar
on my desktop to get the monitors woken up. The monitors came up with
the locked screen and then after a while it got unlocked to my
surprise!"
There was compiz crash file on his system at that time. However, I
don't have the right debug symbols to which file (or function) it
crashed into. Here is the top part of the stack trace when I ran
apport-retrace -s on his crash file:
---------------------------------------------------------------------------------------------------------------
--- stack trace ---
#0 0x00007ff17ed06608 in ?? () from
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#1 0x00007ff17ed06cf3 in ?? () from
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#2 0x00007ff17ed04e2d in ?? () from
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#3 0x00007ff17f3fdd02 in g_settings_backend_read (backend=<optimized out>,
key=key@entry=0xab011c0 "/org/gnome/desktop/lockdown/disable-lock-screen",
expected_type=0x7ff1877135a0 <g_variant_type_info_basic_chars>,
default_value=default_value@entry=0) at
/build/buildd/glib2.0-2.40.2/./gio/gsettingsbackend.c:701
value = <optimized out>
#4 0x00007ff17f401c7b in g_settings_read_from_backend
(settings=settings@entry=0x7ff13800a570, key=key@entry=0x7fffdde9c920,
user_value_only=user_value_only@entry=0, default_value=default_value@entry=0)
at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1052
value = <optimized out>
fixup = <optimized out>
path = 0xab011c0 "/org/gnome/desktop/lockdown/disable-lock-screen"
#5 0x00007ff17f402e7a in g_settings_get_value (settings=0x7ff13800a570,
key=0x2087618 "disable-lock-screen") at
/build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1092
skey = {schema = 0x7ff13c017a80, name = 0x4b2fa7c
"disable-lock-screen", is_flags = 0, is_enum = 0, strinfo = 0x0, strinfo_length
= 0, unparsed = 0x0, lc_char = 0 '\000', type = 0x7ff1877135a0
<g_variant_type_info_basic_chars>, minimum = 0x0, maximum = 0x0, default_value
= 0xb9c5b30, ref_count = 0}
value = <optimized out>
__FUNCTION__ = "g_settings_get_value"
-----------------------------------------------------------------------------------------------------------------
The top part of the trash file when viewed in TextEdit has the information
:
-------------------------------------------------
ProblemType: Crash
Architecture: amd64
CrashCounter: 1
CurrentDesktop: Unity
Date: Fri Dec 12 10:16:52 2014
DistroRelease: Ubuntu 14.04
ExecutablePath: /usr/bin/compiz
ExecutableTimestamp: 1405349348
ProcCmdline: compiz
--------------------------------------------------
His system is Ubuntu trusty 14.04.1 LTS. Unity installed
7.2.3+14.04.20140826-0ubuntu1.0.1 .
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