I started to suffer from this bug during this week. Last time I was
listening to music and suddenly the music started to loop the last 0.5-1
secs and everything else just froze. This has happened to only one of my
computers, running Ubuntu 12.04 64-bit and Intel hardware:

$ uname -a:
3.2.0-35-generic #55-Ubuntu SMP Wed Dec 5 17:42:16 UTC 2012 x86_64 x86_64 
x86_64 GNU/Linux

$ lspci -v:

-- clip --

00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio 
Controller (rev 04)
        Subsystem: Giga-byte Technology Device a014
        Flags: bus master, fast devsel, latency 0, IRQ 53
        Memory at f7f10000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd-hda-intel

00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics 
Controller (rev 09) (prog-if 00 [VGA controller])
        Subsystem: Giga-byte Technology Device d000
        Flags: bus master, fast devsel, latency 0, IRQ 51
        Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at f000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

-- clip --

I didn't see anything related in the kernel log.

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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/993187

Title:
  ubuntu 12.04 completely freezes frequently.

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