Public bug reported:
Binary package hint: gdm
Quite frequently, when the screensaver kicks it, the system can not be
unlocked. When returning to the system, only a blank screen is displayed, with
no mouse cursor.
The following line is usually found in syslog:
Feb 18 10:04:57 ubuntu gnome-session[2140]: WARNING: Detected that
screensaver has left the bus
DISTRIB_DESCRIPTION="Ubuntu 10.04.2 LTS" (fully patched)
Current kernel (but this happens with the 2.6.32 series as well):
beaty@ubuntu:~$ uname -a
Linux ubuntu 2.6.35-23-generic #41~lucid1-Ubuntu SMP Thu Dec 2 22:30:17 UTC
2010 i686 GNU/Linux
This is a Dell Latitude M6510
beaty@ubuntu:~$ lspci
00:00.0 Host bridge: Intel Corporation Core Processor DMI (rev 11)
00:03.0 PCI bridge: Intel Corporation Core Processor PCI Express Root Port 1
(rev 11)
00:08.0 System peripheral: Intel Corporation Core Processor System Management
Registers (rev 11)
00:08.1 System peripheral: Intel Corporation Core Processor Semaphore and
Scratchpad Registers (rev 11)
00:08.2 System peripheral: Intel Corporation Core Processor System Control and
Status Registers (rev 11)
00:08.3 System peripheral: Intel Corporation Core Processor Miscellaneous
Registers (rev 11)
00:10.0 System peripheral: Intel Corporation Core Processor QPI Link (rev 11)
00:10.1 System peripheral: Intel Corporation Core Processor QPI Routing and
Protocol Registers (rev 11)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
Chipset HECI Controller (rev 06)
00:16.3 Serial controller: Intel Corporation 5 Series/3400 Series Chipset KT
Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network
Connection (rev 05)
00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High
Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 2 (rev 05)
00:1c.2 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 3 (rev 05)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 4 (rev 05)
00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface
Controller (rev 05)
00:1f.2 IDE interface: Intel Corporation 5 Series/3400 Series Chipset 4 port
SATA IDE Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller
(rev 05)
00:1f.5 IDE interface: Intel Corporation 5 Series/3400 Series Chipset 2 port
SATA IDE Controller (rev 05)
01:00.0 VGA compatible controller: nVidia Corporation NVS 3100M (rev a2)
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev
a1)
03:00.0 Network controller: Intel Corporation WiFi Link 6000 Series (rev 35)
04:00.0 CardBus bridge: Ricoh Co Ltd Device e476 (rev 02)
04:00.1 SD Host controller: Ricoh Co Ltd Device e822 (rev 03)
04:00.4 FireWire (IEEE 1394): Ricoh Co Ltd Device e832 (rev 03)
3f:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture
Generic Non-Core Registers (rev 04)
3f:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture
System Address Decoder (rev 04)
3f:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 04)
3f:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 04)
3f:03.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller (rev 04)
3f:03.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Target Address Decoder (rev 04)
3f:03.4 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Test Registers (rev 04)
3f:04.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Control Registers (rev 04)
3f:04.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Address Registers (rev 04)
3f:04.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Rank Registers (rev 04)
3f:04.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Thermal Control Registers (rev 04)
3f:05.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Control Registers (rev 04)
3f:05.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Address Registers (rev 04)
3f:05.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Rank Registers (rev 04)
3f:05.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Thermal Control Registers (rev 04)
beaty@ubuntu:~$
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gdm 2.30.2.is.2.30.0-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-23.41~lucid1-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Feb 18 10:08:28 2011
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gdm
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
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https://bugs.launchpad.net/bugs/721327
Title:
Unable to unlock gnome screensaver
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