There is a similar thread re Intel CPU Ivy Bridge here
http://forums.linuxmint.com/viewtopic.php?f=47&t=112543
What happens is that everything at random just freezes, cannot move the mouse, pressing Num Lock does nothing, cannot type anything. Only thing I can do is press Alt + SysRq + {in sequence} R E I S U B and then it reboots the PC.
Here is the output about my hardware from typing
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inxi -F
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System: Host: mintstudio Kernel: 3.2.0-32-generic x86_64 (64 bit) Desktop: N/A Distro: Linux Mint 13 Maya
Machine: Mobo: Gigabyte model: GA-MA790FX-DS5 Bios: Award version: F2 date: 11/23/2007
CPU: Dual core AMD Athlon 64 X2 4800+ (-MCP-) cache: 1024 KB flags: (lm nx sse sse2 sse3 svm)
Clock Speeds: 1: 1000.00 MHz 2: 1000.00 MHz
Graphics: Card: Advanced Micro Devices [AMD] nee ATI Device 683f
X.Org: 1.11.3 driver: fglrx Resolution: 1152x864@50.0hz, 1152x864@60.0hz
GLX Renderer: AMD Radeon HD 7700 Series GLX Version: 4.2.11627 - CPC
Audio: Card-1: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) driver: snd_hda_intel
Card-2: Advanced Micro Devices [AMD] nee ATI Device aab0
Sound: Advanced Linux Sound Architecture ver: 1.0.24
Network: Card: Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller driver: r8169
IF: eth0 state: up speed: 1000 Mbps duplex: full mac: 00:1a:4d:5d:44:4f
Drives: HDD Total Size: 7001.4GB (74.8% used) 1: /dev/sda Hitachi_HDS72105 500.1GB
2: /dev/sdb SAMSUNG_HD501LJ 500.1GB 3: /dev/sdc WDC_WD20EARX 2000.4GB
4: /dev/sdd SAMSUNG_HD203WI 2000.4GB 5: /dev/sde WDC_WD10EADS 1000.2GB
6: /dev/sdj HDS721010DLE630 1000.2GB
Partition: ID: / size: 29G used: 7.6G (28%) fs: ext4 ID: /home size: 71G used: 38G (56%) fs: ext4
ID: swap-1 size: 4.56GB used: 0.00GB (0%) fs: swap ID: swap-2 size: 4.24GB used: 0.00GB (0%) fs: swap
ID: swap-3 size: 4.90GB used: 0.00GB (0%) fs: swap
Sensors: System Temperatures: cpu: 27.0C mobo: N/A
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 239 Uptime: 1:21 Memory: 3278.7/7986.1MB Client: Shell inxi: 1.7.33