My PC Hangs for no reason!

[happyguy]

I have just installed linux and got over boot loading problem but now when i am using my pc linux mint (maya) seems to hang for no reason.... it has happened for about 4 time now, it happens suddenly even when i have not open any apps. I have tried to press all keys (such as ctrl+ alt + delete,etc) the mouse is moving but nothing else is responding. This problem doesn't happen continuously when i restart linux mint then i see no error about improper shutdown(as I force shut down my pc after waiting some time) , then upon starting again its all normal then later after a couple of hours it hangs again!
I have no idea what is happening and why is it happening!

[schtufbox]

This may seem a daft question...
Are you using LightDM as the login manager or the default MDM? I ask because I was having similar issues, and I'd switched to using LightDM as soon as I installed mint. On a whim I switched back to MDM the other day and have been crash free since.

[happyguy]

I am using the defalt MDM , yet again my pc crashed today for no reason.

[srivo]

I recommend you read that thread:
http://forums.linuxmint.com/viewtopic.php?f=18&t=83444

You need to give us a little more info about your system and the edition of Mint you are running. Type the following command on a terminal and post it here:

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inxi -Fc 0

This will help us help you!

[happyguy]

this is what I get .....


safiulla@safiulla-System-Product-Name ~ $ inxi -Fc 0
System: Host: safiulla-System-Product-Name Kernel: 3.2.0-23-generic i686 (32 bit)
Desktop: Gnome Distro: Linux Mint 13 Maya
Machine: Mobo: ASUSTeK model: M2N68-AM SE2 version: Rev X.0x Bios: American Megatrends version: 0212 date: 01/16/2009
CPU: Dual core AMD Athlon 64 X2 4400+ (-MCP-) cache: 1024 KB flags: (lm nx sse sse2 sse3 svm)
Clock Speeds: 1: 1000.00 MHz 2: 1000.00 MHz
Graphics: Card: NVIDIA C61 [GeForce 7025 / nForce 630a]
X.Org: 1.11.3 drivers: nouveau (unloaded: fbdev,vesa) Resolution: 1600x900@60.0hz
GLX Renderer: Gallium 0.4 on NV4C GLX Version: 2.1 Mesa 8.0.2
Audio: Card: NVIDIA MCP61 High Definition Audio driver: snd_hda_intel Sound: ALSA ver: 1.0.24
Network: Card: NVIDIA MCP61 Ethernet driver: forcedeth
IF: eth0 state: up speed: 100 Mbps duplex: full mac: 00:24:8c:50:d9:fc
Drives: HDD Total Size: 500.1GB (5.2% used) 1: /dev/sda ST3500418AS 500.1GB
Partition: ID: / size: 461G used: 25G (6%) fs: ext4 ID: swap-1 size: 5.00GB used: 0.00GB (0%) fs: swap
Sensors: System Temperatures: cpu: 47.0C mobo: 42.0C gpu: 6912.0
Fan Speeds (in rpm): cpu: 3214
Info: Processes: 133 Uptime: 2:47 Memory: 437.7/1886.6MB Client: Shell inxi: 1.7.33

[squeezy]

Oh there's a reason your PC is hanging up. You're using a distro based on Ubuntu 12.04. Lots and lots of lockup threads both here and on the Ubuntu forums re: 12.04.

[srivo]

Have you tried the NVIDIA driver instead of the nouveau driver? Also, is there a reason why you use a 32 bit edition on a 64 bit machine?

[BoingoInsanity]

This may seem a daft question...
Are you using LightDM as the login manager or the default MDM? I ask because I was having similar issues, and I'd switched to using LightDM as soon as I installed mint. On a whim I switched back to MDM the other day and have been crash free since.

I have this same exact problem since installing LightDM, sometimes it freezes on the login screen, sometimes shortly after loading the desktop, no problems before LightDM. When it hangs, the mouse freezes and keyboard is unresponsive... Sometimes I can run for a few days straight (without rebooting or logging out) and it runs like a top! I think I'm going to switch back to MDM for the time being, until I hear more about the situation... I'm running Mint 13 MATE x64...

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$ inxi -Fc 0
System:    Host: Nightmare-Mint Kernel: 3.2.0-32-generic x86_64 (64 bit) Desktop: N/A Distro: Linux Mint 13 Maya
Machine:   Mobo: MICRO-STAR model: P35 Platinum(MS-7345) version: 1.0
           Bios: American Megatrends version: V1.12 date: 12/30/2009
CPU:       Quad core Intel Core2 Quad CPU Q6600 (-MCP-) cache: 4096 KB flags: (lm nx sse sse2 sse3 ssse3 vmx)
           Clock Speeds: 1: 1603.00 MHz 2: 1603.00 MHz 3: 1603.00 MHz 4: 1603.00 MHz
Graphics:  Card: NVIDIA G80 [GeForce 8800 Ultra]
           X.Org: 1.11.3 drivers: nvidia (unloaded: nouveau,vesa,fbdev) Resolution: 1280x1024@75.0hz, 1680x1050@60.0hz
           GLX Renderer: GeForce 8800 Ultra/PCIe/SSE2 GLX Version: 3.3.0 NVIDIA 304.43
Audio:     Card-1: Creative Labs [SB X-Fi Xtreme Audio] CA0110-IBG driver: snd_hda_intel Sound: ALSA ver: 1.0.24
           Card-2: Logitech driver: USB Audio
Network:   Card-1: Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller driver: r8169
           IF: eth0 state: up speed: 100 Mbps duplex: half mac: 00:19:db:b1:d7:fe
           Card-2: Atheros AR5212/AR5213 Wireless Network Adapter driver: ath5k
           IF: wlan0 state: up mac: 00:0f:3d:ad:4e:df
Drives:    HDD Total Size: 524.0GB (53.1% used) 1: /dev/sda ST3320620AS 320.1GB
           2: /dev/sdb Maxtor_6L200R0 203.9GB
Partition: ID: / size: 19G used: 7.1G (41%) fs: ext4 ID: /boot size: 230M used: 122M (56%) fs: ext4
           ID: /home size: 161G used: 18G (12%) fs: ext4
Sensors:   System Temperatures: cpu: 28.0C mobo: 53.0C gpu: 73C
           Fan Speeds (in rpm): cpu: 1278 fan-2: 0 fan-3: 2097 fan-4: 0
Info:      Processes: 204 Uptime: 3:11 Memory: 3691.3/7986.5MB Client: Shell inxi: 1.7.33

[BoingoInsanity]

I know with my system it's not a fan, temp, or psu issue, I replaced the psu awhile back when the old one started giving me problems, and it ran like a total champ until installing lightdm, and since I switched back to mdm the problem went away completely. Can't speak for the original poster, but here's my numbers:

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$ sensors -f
coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +107.6°F  (high = +179.6°F, crit = +212.0°F)
Core 1:      +109.4°F  (high = +179.6°F, crit = +212.0°F)
Core 2:       +98.6°F  (high = +179.6°F, crit = +212.0°F)
Core 3:      +100.4°F  (high = +179.6°F, crit = +212.0°F)

f71882fg-isa-0a00
Adapter: ISA adapter
+3.3V:        +3.39 V 
in1:          +1.14 V  (max =  +2.04 V)
in2:          +0.93 V 
in3:          +0.64 V 
in4:          +0.96 V 
in5:          +1.13 V 
in6:          +0.89 V 
3VSB:         +3.39 V 
Vbat:         +3.34 V 
fan1:        1276 RPM
fan2:           0 RPM  ALARM
fan3:        2097 RPM
fan4:           0 RPM  ALARM
temp1:        +82.4°F  (high = +185.0°F, hyst = +177.8°F)
                       (crit = +212.0°F, hyst = +204.8°F)  sensor = transistor
temp2:       +129.2°F  (high = +185.0°F, hyst = +177.8°F)
                       (crit = +212.0°F, hyst = +204.8°F)  sensor = transistor
temp3:          FAULT  (high = +158.0°F, hyst = +154.4°F)
                       (crit = +185.0°F, hyst = +181.4°F)  sensor = transistor