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karnaf 11-16-2011 03:04 AM

Finding out why Ubuntu desktop with Gnome2 freezes
 
Hi all,

Lately my desktop just freezes, completely. No keyboard response, no mouse response, nothing but hard-reboot helps. I can't even SSH it from another machine to try and analyze or gdm restart it.

Can you suggest where to start looking?

Running Gnome 2.32.1 on Ubuntu 11.04 (Natty)

Hardware details (lshw -short)
Code:

H/W path              Device      Class          Description
=============================================================
                                  system        System Product Name (To be filled by O.E.M.)
/0                                bus            P8H61-M LE/CSM
/0/0                              memory        64KiB BIOS
/0/4                              processor      Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
/0/4/5                            memory        256KiB L1 cache
/0/4/6                            memory        1MiB L2 cache
/0/4/7                            memory        8MiB L3 cache
/0/22                              memory        4GiB System Memory
/0/22/0                            memory        2GiB DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
/0/22/1                            memory        2GiB DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
/0/100                            bridge        2nd Generation Core Processor Family DRAM Controller
/0/100/1                          bridge        2nd Generation Core Processor Family PCI Express Root Port
/0/100/2                          display        2nd Generation Core Processor Family Integrated Graphics Controller
/0/100/16                          communication  6 Series Chipset Family MEI Controller #1
/0/100/1a                          bus            6 Series Chipset Family USB Enhanced Host Controller #2
/0/100/1b                          multimedia    6 Series Chipset Family High Definition Audio Controller
/0/100/1c                          bridge        6 Series Chipset Family PCI Express Root Port 1
/0/100/1c.1                        bridge        6 Series Chipset Family PCI Express Root Port 2
/0/100/1c.2                        bridge        6 Series Chipset Family PCI Express Root Port 3
/0/100/1c.2/0          eth0        network        RTL8111/8168B PCI Express Gigabit Ethernet controller
/0/100/1c.3                        bridge        6 Series Chipset Family PCI Express Root Port 4
/0/100/1c.4                        bridge        82801 PCI Bridge
/0/100/1c.4/0                      bridge        PCI bridge
/0/100/1c.5                        bridge        6 Series Chipset Family PCI Express Root Port 6
/0/100/1d                          bus            6 Series Chipset Family USB Enhanced Host Controller #1
/0/100/1f                          bridge        6 Series Chipset Family LPC Controller
/0/100/1f.2            scsi0      storage        6 Series Chipset Family 4 port SATA IDE Controller
/0/100/1f.2/0.0.0      /dev/sda    disk          500GB WDC WD5000AAKX-0
/0/100/1f.2/0.0.0/1    /dev/sda1  volume        476MiB EXT4 volume
/0/100/1f.2/0.0.0/2    /dev/sda2  volume        954MiB Linux swap / Solaris partition
/0/100/1f.2/0.0.0/3    /dev/sda3  volume        464GiB Extended partition
/0/100/1f.2/0.0.0/3/5  /dev/sda5  volume        18GiB Linux filesystem partition
/0/100/1f.2/0.0.0/3/6  /dev/sda6  volume        445GiB Linux filesystem partition
/0/100/1f.3                        bus            6 Series Chipset Family SMBus Controller
/0/100/1f.5            scsi3      storage        6 Series Chipset Family 2 port SATA IDE Controller
/0/100/1f.5/0.0.0      /dev/cdrom  disk          CDDVDW SH-S223C
/1                                power          To Be Filled By O.E.M.
/2                                power          To Be Filled By O.E.M.

Thanks!
karnaf

fortran 11-16-2011 03:30 AM

Does it work in recovery mode?
Try to fix broken packages.

halovivek 11-16-2011 03:52 AM

Go to Terminal and give the command
sudo dpkg --configure -a
sudo apt-get install -f

karnaf 11-16-2011 07:42 AM

Well, most of the time the desktop works well in regular mode, for example, today it hasn't frozen (yet :-) ) so I haven't tried running it in recovery mode.

I've tried fixing broken packages, but there aren't any...
Code:

karnaf@myhost:~$ sudo dpkg --configure -a
[sudo] password for karnaf:
karnaf@myhost:~$ sudo apt-get install -f
Reading package lists... Done
Building dependency tree     
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.

When it gets stuck, is there a chance I can find anything in any log after restarting it?

Thanks for the help!
karnaf


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