Thanks for your help. It took me a while as this problem is kind of erratic and does not always happen. Here is the output of my lspci -vvnn and I attach the /var/log/Xorg.0.log file
[EMAIL PROTECTED]:~$ lspci -vvnn 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03) Subsystem: Toshiba America Info Systems Unknown device [1179:0001] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- Latency: 0 Capabilities: <access denied> 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller]) Subsystem: Toshiba America Info Systems Unknown device [1179:0001] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0 Interrupt: pin A routed to IRQ 10 Region 0: Memory at ffd80000 (32-bit, non-prefetchable) [size=512K] Region 1: I/O ports at cff8 [size=8] Region 2: Memory at e0000000 (32-bit, prefetchable) [size=256M] Region 3: Memory at ffd40000 (32-bit, non-prefetchable) [size=256K] Capabilities: <access denied> 00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03) Subsystem: Toshiba America Info Systems Unknown device [1179:0001] Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Region 0: Memory at 88000000 (32-bit, non-prefetchable) [disabled] [size=512K] Capabilities: <access denied> 00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 02) Subsystem: Toshiba America Info Systems Unknown device [1179:0001] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0, Cache Line Size: 32 bytes Interrupt: pin A routed to IRQ 23 Region 0: Memory at 88080000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> 00:1c.0 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 [8086:27d0] (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0, Cache Line Size: 32 bytes Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000b000-0000bfff Memory behind bridge: ffc00000-ffcfffff Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: <access denied> 00:1c.2 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 [8086:27d4] (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0, Cache Line Size: 32 bytes Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 Memory behind bridge: ffa00000-ffafffff Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: <access denied> 00:1d.0 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 [8086:27c8] (rev 02) (prog-if 00 [UHCI]) Subsystem: Toshiba America Info Systems Unknown device [1179:0001] Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0 Interrupt: pin A routed to IRQ 20 Region 4: I/O ports at afe0 [size=32] ** Attachment added: "alobo_Xorg.0.log" http://launchpadlibrarian.net/19667989/alobo_Xorg.0.log -- icons unexpectly disappears from desktop in gnome https://bugs.launchpad.net/bugs/175534 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs