<p>I can report a similar behaviour, but actually the screen defreezes after some, sometimes long, time.</p>
<div class="gmail_quote">Il giorno 26/Mag/2013 05:42, "Tianming Xie" <<a href="mailto:tm_ex_00@sina.com">tm_ex_00@sina.com</a>> ha scritto:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Package: gnome-shell<br>
Version: 3.4.2-7+b1<br>
Followup-For: Bug #709806<br>
<br>
Dear Maintainer,<br>
<br>
Hardware info about my machine is listed below:<br>
<br>
cpuinfo:<br>
processor : 0<br>
vendor_id : GenuineIntel<br>
cpu family : 6<br>
model : 23<br>
model name : Intel(R) Core(TM)2 Duo CPU P7350 @ 2.00GHz<br>
stepping : 10<br>
microcode : 0xa07<br>
cpu MHz : 1596.000<br>
cache size : 3072 KB<br>
physical id : 0<br>
siblings : 2<br>
core id : 0<br>
cpu cores : 2<br>
apicid : 0<br>
initial apicid : 0<br>
fpu : yes<br>
fpu_exception : yes<br>
cpuid level : 13<br>
wp : yes<br>
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm tpr_shadow vnmi flexpriority<br>
bogomips : 3980.47<br>
clflush size : 64<br>
cache_alignment : 64<br>
address sizes : 36 bits physical, 48 bits virtual<br>
power management:<br>
<br>
processor : 1<br>
vendor_id : GenuineIntel<br>
cpu family : 6<br>
model : 23<br>
model name : Intel(R) Core(TM)2 Duo CPU P7350 @ 2.00GHz<br>
stepping : 10<br>
microcode : 0xa07<br>
cpu MHz : 1596.000<br>
cache size : 3072 KB<br>
physical id : 0<br>
siblings : 2<br>
core id : 1<br>
cpu cores : 2<br>
apicid : 1<br>
initial apicid : 1<br>
fpu : yes<br>
fpu_exception : yes<br>
cpuid level : 13<br>
wp : yes<br>
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm tpr_shadow vnmi flexpriority<br>
bogomips : 3979.94<br>
clflush size : 64<br>
cache_alignment : 64<br>
address sizes : 36 bits physical, 48 bits virtual<br>
power management:<br>
<br>
<br>
lspci -nn:<br>
00:00.0 Host bridge [0600]: NVIDIA Corporation MCP79 Host Bridge [10de:0a82] (rev b1)<br>
00:00.1 RAM memory [0500]: NVIDIA Corporation MCP79 Memory Controller [10de:0a88] (rev b1)<br>
00:03.0 ISA bridge [0601]: NVIDIA Corporation MCP79 LPC Bridge [10de:0aae] (rev b3)<br>
00:03.1 RAM memory [0500]: NVIDIA Corporation MCP79 Memory Controller [10de:0aa4] (rev b1)<br>
00:03.2 SMBus [0c05]: NVIDIA Corporation MCP79 SMBus [10de:0aa2] (rev b1)<br>
00:03.3 RAM memory [0500]: NVIDIA Corporation MCP79 Memory Controller [10de:0a89] (rev b1)<br>
00:03.4 RAM memory [0500]: NVIDIA Corporation Device [10de:0a98] (rev b1)<br>
00:03.5 Co-processor [0b40]: NVIDIA Corporation MCP79 Co-processor [10de:0aa3] (rev b1)<br>
00:04.0 USB controller [0c03]: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller [10de:0aa5] (rev b1)<br>
00:04.1 USB controller [0c03]: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller [10de:0aa6] (rev b1)<br>
00:06.0 USB controller [0c03]: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller [10de:0aa7] (rev b1)<br>
00:06.1 USB controller [0c03]: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller [10de:0aa9] (rev b1)<br>
00:08.0 Audio device [0403]: NVIDIA Corporation MCP79 High Definition Audio [10de:0ac0] (rev b1)<br>
00:09.0 PCI bridge [0604]: NVIDIA Corporation MCP79 PCI Bridge [10de:0aab] (rev b1)<br>
00:0a.0 Ethernet controller [0200]: NVIDIA Corporation MCP79 Ethernet [10de:0ab0] (rev b1)<br>
00:0b.0 SATA controller [0106]: NVIDIA Corporation MCP79 AHCI Controller [10de:0ab9] (rev b1)<br>
00:10.0 PCI bridge [0604]: NVIDIA Corporation MCP79 PCI Express Bridge [10de:0aa0] (rev b1)<br>
00:15.0 PCI bridge [0604]: NVIDIA Corporation MCP79 PCI Express Bridge [10de:0ac6] (rev b1)<br>
00:16.0 PCI bridge [0604]: NVIDIA Corporation MCP79 PCI Express Bridge [10de:0ac7] (rev b1)<br>
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation C79 [GeForce 9400M G] [10de:0866] (rev b1)<br>
03:00.0 Network controller [0280]: Atheros Communications Inc. AR9300 Wireless LAN adaptor [168c:0030] (rev 01)<br>
04:00.0 FireWire (IEEE 1394) [0c00]: LSI Corporation FW533 [TrueFire] PCIe 1394a Controller [11c1:5903] (rev 07)<br>
<br>
<br>
lsusb:<br>
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub<br>
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub<br>
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub<br>
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub<br>
Bus 001 Device 002: ID 05ac:8300 Apple, Inc. Built-in iSight (no firmware loaded)<br>
Bus 003 Device 002: ID 05ac:8242 Apple, Inc. Built-in IR Receiver<br>
Bus 003 Device 003: ID 05ac:0217 Apple, Inc. Internal Keyboard/Trackpad (ANSI)<br>
Bus 004 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)<br>
Bus 004 Device 003: ID 05ac:8215 Apple, Inc. Built-in Bluetooth 2.0+EDR HCI<br>
<br>
Thanks for your attention.<br>
<br>
-- System Information:<br>
Debian Release: jessie/sid<br>
APT prefers testing<br>
APT policy: (900, 'testing'), (500, 'testing-proposed-updates'), (500, 'unstable')<br>
Architecture: amd64 (x86_64)<br>
Foreign Architectures: i386<br>
<br>
Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)<br>
Locale: LANG=zh_CN.UTF-8, LC_CTYPE=zh_CN.UTF-8 (charmap=UTF-8)<br>
Shell: /bin/sh linked to /bin/dash<br>
<br>
Versions of packages gnome-shell depends on:<br>
ii dconf-gsettings-backend [gsettings-backend] 0.12.1-3<br>
ii gconf-service 3.2.5-1+build1<br>
ii gir1.2-accountsservice-1.0 0.6.30-2<br>
ii gir1.2-caribou-1.0 0.4.4-1<br>
ii gir1.2-clutter-1.0 1.10.8-2<br>
ii gir1.2-folks-0.6 0.6.9-1+b1<br>
ii gir1.2-freedesktop 1.36.0-2+b1<br>
ii gir1.2-gconf-2.0 3.2.5-1+build1<br>
ii gir1.2-gcr-3 3.4.1-3<br>
ii gir1.2-gkbd-3.0 3.4.0.2-1<br>
ii gir1.2-glib-2.0 1.36.0-2+b1<br>
ii gir1.2-gmenu-3.0 3.4.2-7<br>
ii gir1.2-gnomebluetooth-1.0 3.4.2-1<br>
ii gir1.2-gtk-3.0 3.4.2-6<br>
ii gir1.2-mutter-3.0 3.4.1-6<br>
ii gir1.2-networkmanager-1.0 0.9.8.0-5<br>
ii gir1.2-pango-1.0 1.30.0-1<br>
ii gir1.2-polkit-1.0 0.105-3<br>
ii gir1.2-soup-2.4 2.38.1-2<br>
ii gir1.2-telepathyglib-0.12 0.18.2-2<br>
ii gir1.2-telepathylogger-0.2 0.4.0-1<br>
ii gir1.2-upowerglib-1.0 0.9.17-1<br>
ii gjs 1.32.0-5+b1<br>
ii gnome-bluetooth 3.4.2-1<br>
ii gnome-icon-theme-symbolic 3.4.0-2<br>
ii gnome-settings-daemon 3.4.2+git20121218.7c1322-3<br>
ii gnome-shell-common 3.4.2-7<br>
ii gnome-themes-standard 3.4.2-2.1<br>
ii gsettings-desktop-schemas 3.4.2-3<br>
ii libatk1.0-0 2.8.0-2<br>
ii libc6 2.17-3<br>
ii libcairo-gobject2 1.12.14-4<br>
ii libcairo2 1.12.14-4<br>
ii libcanberra0 0.28-6<br>
ii libclutter-1.0-0 1.10.8-2<br>
ii libcogl-pango0 1.10.2-7<br>
ii libcogl9 1.10.2-7<br>
ii libcroco3 0.6.6-2<br>
ii libdbus-1-3 1.6.10-1<br>
ii libdbus-glib-1-2 0.100.2-1<br>
ii libebook-1.2-13 3.4.4-3<br>
ii libecal-1.2-11 3.4.4-3<br>
ii libedataserver-1.2-16 3.4.4-3<br>
ii libedataserverui-3.0-1 3.4.4-3<br>
ii libfolks25 0.6.9-1+b1<br>
ii libgck-1-0 3.4.1-3<br>
ii libgconf-2-4 3.2.5-1+build1<br>
ii libgcr-3-1 3.4.1-3<br>
ii libgdk-pixbuf2.0-0 2.28.1-1<br>
ii libgee2 0.6.4-2<br>
ii libgirepository-1.0-1 1.36.0-2+b1<br>
ii libgjs0b [libgjs0-libmozjs185-1.0] 1.32.0-5+b1<br>
ii libgl1-mesa-glx [libgl1] 8.0.5-4<br>
ii libglib2.0-0 2.36.1-2build1<br>
ii libgnome-keyring0 3.4.1-1<br>
ii libgnome-menu-3-0 3.4.2-7<br>
ii libgstreamer0.10-0 0.10.36-1.2<br>
ii libgtk-3-0 3.4.2-6<br>
ii libical0 0.48-2<br>
ii libjson-glib-1.0-0 0.14.2-1<br>
ii libmozjs185-1.0 1.8.5-1.0.0+dfsg-4+b1<br>
ii libmutter0 3.4.1-6<br>
ii libnm-glib4 0.9.8.0-5<br>
ii libnm-util2 0.9.8.0-5<br>
ii libnspr4 2:4.9.6-1<br>
ii libnspr4-0d 2:4.9.6-1<br>
ii libp11-kit0 0.12-3<br>
ii libpango1.0-0 1.30.0-1<br>
ii libpolkit-agent-1-0 0.105-3<br>
ii libpolkit-gobject-1-0 0.105-3<br>
ii libpulse-mainloop-glib0 2.0-6.1<br>
ii libpulse0 2.0-6.1<br>
ii libsoup2.4-1 2.38.1-2<br>
ii libstartup-notification0 0.12-1<br>
ii libtelepathy-glib0 0.18.2-2<br>
ii libtelepathy-logger2 0.4.0-1<br>
ii libx11-6 2:1.5.0-1<br>
ii libxcomposite1 1:0.4.3-2<br>
ii libxdamage1 1:1.1.3-2<br>
ii libxext6 2:1.3.1-2<br>
ii libxfixes3 1:5.0-4<br>
ii libxi6 2:1.6.1-1<br>
ii libxml2 2.8.0+dfsg1-7+nmu1<br>
ii python 2.7.3-5<br>
ii telepathy-mission-control-5 1:5.12.3-1<br>
<br>
Versions of packages gnome-shell recommends:<br>
ii gkbd-capplet 3.4.0.2-1<br>
ii gnome-contacts 3.4.1-1+b1<br>
ii gnome-control-center 1:3.4.3.1-2<br>
ii gnome-session-fallback 3.4.2.1-4<br>
ii gnome-user-guide 3.4.2-1+build1<br>
ii unzip 6.0-9<br>
<br>
gnome-shell suggests no packages.<br>
<br>
-- no debconf information<br>
<br>
</blockquote></div>