It seem that i got the same kind of freezing as you. And we are not alone http://arstechnica.com/civis/viewtopic.php?f=16&t=1174039

$ sudo lshw -short
Chemin matériel     Périphérique  Classe         Description
===============================================================
                                     system         MS-7752 (To be filled by O.E.M.)
/0                                   bus            Z77A-G45 (MS-7752)
/0/0                                 memory         64KiB BIOS
/0/3c                                memory         1MiB L2 cache
/0/3d                                memory         128KiB L1 cache
/0/3e                                memory         8MiB L3 cache
/0/3f                                memory         16GiB Mémoire Système
/0/3f/0                              memory         4GiB DIMM DDR3 Synchrone 1333 MHz (0.8 ns)
/0/3f/1                              memory         4GiB DIMM DDR3 Synchrone 1333 MHz (0.8 ns)
/0/3f/2                              memory         4GiB DIMM DDR3 Synchrone 1333 MHz (0.8 ns)
/0/3f/3                              memory         4GiB DIMM DDR3 Synchrone 1333 MHz (0.8 ns)
/0/40                                processor      Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
/0/100                               bridge         Ivy Bridge DRAM Controller
/0/100/2                             display        Ivy Bridge Graphics Controller
/0/100/14                            bus            Panther Point USB xHCI Host Controller
/0/100/16                            communication  Panther Point MEI Controller #1
/0/100/1a                            bus            Panther Point USB Enhanced Host Controller #2
/0/100/1b                            multimedia     Panther Point High Definition Audio Controller
/0/100/1c                            bridge         Panther Point PCI Express Root Port 1
/0/100/1c.1                          bridge         Panther Point PCI Express Root Port 2
/0/100/1c.1/0        eth0            network        RTL8111/8168B PCI Express Gigabit Ethernet controller
/0/100/1d                            bus            Panther Point USB Enhanced Host Controller #1
/0/100/1f                            bridge         Panther Point LPC Controller
/0/100/1f.2          scsi0           storage        Panther Point 6 port SATA Controller [AHCI mode]
/0/100/1f.2/0        /dev/sda        disk           120GB INTEL SSDSC2CW12
/0/100/1f.2/0/1      /dev/sda1       volume         1906MiB Linux swap volume
/0/100/1f.2/0/2      /dev/sda2       volume         18GiB EXT4 volume
/0/100/1f.2/0/3      /dev/sda3       volume         91GiB EXT4 volume
/0/100/1f.2/1        /dev/sdb        disk           3TB ST3000DM001-9YN1
/0/100/1f.2/1/1      /dev/sdb1       volume         2794GiB Linux RAID partition
/0/100/1f.2/2        /dev/cdrom      disk           DVD-RAM GH22NS30
/0/100/1f.2/3        /dev/sdc        disk           1TB ST31000528AS
/0/100/1f.2/3/1      /dev/sdc1       volume         3812MiB Linux raid autodetect partition
/0/100/1f.2/3/2      /dev/sdc2       volume         23GiB EXT4 volume
/0/100/1f.2/3/3      /dev/sdc3       volume         904GiB EXT4 volume
/0/100/1f.2/0.0.0    /dev/sdd        disk           3TB ST3000DM001-9YN1
/0/100/1f.2/0.0.0/1  /dev/sdd1       volume         2794GiB Linux RAID partition
/0/100/1f.3                          bus            Panther Point SMBus Controller
/0/1                 scsi6           storage        
/0/1/0.0.0           /dev/sde        disk           1TB FreeAgent GoFlex
/0/1/0.0.0/1         /dev/sde1       volume         931GiB Windows NTFS volume
/0/2                 scsi7           storage        
/0/2/0.0.0           /dev/sdf        disk           SCSI Disk
/0/2/0.0.1           /dev/sdg        disk           SCSI Disk
/0/2/0.0.2           /dev/sdh        disk           SCSI Disk
/0/2/0.0.3           /dev/sdi        disk           SCSI Disk
/0/2/0.0.4           /dev/sdj        disk           SCSI Disk
/1                                   power          To Be Filled By O.E.M.