Public bug reported:

itdept@toolbox:~$ lsb_release -rd
Description:    Ubuntu 12.04.2 LTS
Release:        12.04

itdept@toolbox:/var/log$ apt-cache policy linux
linux:
  Installed: (none)
  Candidate: 3.2.0.45.54
  Version table:
     3.2.0.45.54 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 
Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 
Packages
     3.2.0.23.25 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages

itdept@toolbox:/var/log$ apt-cache policy linux-generic-lts-quantal
linux-generic-lts-quantal:
  Installed: 3.5.0.32.39
  Candidate: 3.5.0.32.39
  Version table:
 *** 3.5.0.32.39 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 
Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 
Packages
        100 /var/lib/dpkg/status

Following a clean install of 12.04 Server, I was experiencing seemingly
random 'hard LOCKUP's on my machine. The computer would become
unresponsive for several minutes at a time, and something like this
would show up in dmesg:

[1509353.540014] ------------[ cut here ]------------
[1509353.540014] WARNING: at 
/build/buildd/linux-lts-quantal-3.5.0/kernel/watchdog.c:242 
watchdog_overflow_callback+0x9a/0xc0()
[1509353.540014] Hardware name:         
[1509353.540014] Watchdog detected hard LOCKUP on cpu 1
[1509353.540014] Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 
hfsplus hfs minix ntfs msdos jfs xfs reiserfs radeon snd_hda_codec_realtek 
snd_hda_intel snd_hda_codec ttm snd_hwdep drm_kms_helper snd_pcm drm snd_timer 
snd ext2 soundcore i2c_algo_bit i2c_piix4 snd_page_alloc serio_raw shpchp 
microcode mac_hid ppdev parport_pc lp parport hid_generic usbhid 8139too hid 
8139cp sata_sil pata_atiixp
[1509353.540014] Pid: 21317, comm: kworker/1:0 Tainted: G        W    
3.5.0-30-generic #51~precise1-Ubuntu
[1509353.540014] Call Trace:
[1509353.540014]  <NMI>  [<ffffffff81052c8f>] warn_slowpath_common+0x7f/0xc0
[1509353.540014]  [<ffffffff81052d86>] warn_slowpath_fmt+0x46/0x50
[1509353.540014]  [<ffffffff810e1d2a>] watchdog_overflow_callback+0x9a/0xc0
[1509353.540014]  [<ffffffff8111f79c>] __perf_event_overflow+0x9c/0x220
[1509353.540014]  [<ffffffff8111c854>] ? perf_event_update_userpage+0x24/0x110
[1509353.540014]  [<ffffffff8111fe84>] perf_event_overflow+0x14/0x20
[1509353.540014]  [<ffffffff81027225>] p4_pmu_handle_irq+0x125/0x210
[1509353.540014]  [<ffffffff8169e711>] perf_event_nmi_handler+0x21/0x30
[1509353.540014]  [<ffffffff8169de51>] nmi_handle.isra.0+0x51/0x80
[1509353.540014]  [<ffffffff8169df68>] default_do_nmi+0x58/0x240
[1509353.540014]  [<ffffffff8169e1e0>] do_nmi+0x90/0xd0
[1509353.540014]  [<ffffffff8169d47c>] end_repeat_nmi+0x1a/0x1e
[1509353.540014]  [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30
[1509353.540014]  [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30
[1509353.540014]  [<ffffffff8139a819>] ? acpi_os_write_port+0x1e/0x30
[1509353.540014]  <<EOE>>  [<ffffffff8153248d>] do_drv_write+0x2d/0x70
[1509353.540014]  [<ffffffff81532721>] acpi_cpufreq_target+0x251/0x2a0
[1509353.540014]  [<ffffffff8152b5a2>] __cpufreq_driver_target+0x42/0x50
[1509353.540014]  [<ffffffff8152f68f>] dbs_check_cpu+0x28f/0x330
[1509353.540014]  [<ffffffff8152f7d1>] do_dbs_timer+0xa1/0x110
[1509353.540014]  [<ffffffff81071af7>] process_one_work+0x127/0x470
[1509353.540014]  [<ffffffff81072d35>] worker_thread+0x165/0x370
[1509353.540014]  [<ffffffff81072bd0>] ? manage_workers.isra.29+0x130/0x130
[1509353.540014]  [<ffffffff81077cd3>] kthread+0x93/0xa0
[1509353.540014]  [<ffffffff816a6524>] kernel_thread_helper+0x4/0x10
[1509353.540014]  [<ffffffff81077c40>] ? flush_kthread_worker+0xb0/0xb0
[1509353.540014]  [<ffffffff816a6520>] ? gs_change+0x13/0x13
[1509353.540014] ---[ end trace 31bbfa84b207ef07 ]---

Following installation of a BIOS update, the logged lockups are less
frequent (twice in 20 days, as opposed to several times per day) and far
more brief (haven't caught one in progress since, as opposed to being
unable to do anything but wait for 5-10 minutes per occurrence) but are
still occurring.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "output of "ubuntu-bug linux""
   
https://bugs.launchpad.net/bugs/1189565/+attachment/3699994/+files/apport.linux-image-3.5.0-30-generic.PBCuIZ.apport

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https://bugs.launchpad.net/bugs/1189565

Title:
  Random CPU hard locks on Intel D101GGC w/12.04 Server

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