Is it possible the same bug exists in 3.8.5 or that the changes in this bug are the cause of my crashes at boot. I also have the GPU Hang in 3.5 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426870] ------------[ cut here ]------------ Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426916] WARNING: at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:1028 intel_wait_for_pipe_off+0x1aa/0x1c0 [i915]() Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426917] Hardware name: Latitude E6520 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426917] pipe_off wait timed out Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426946] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq uvcvide o snd_timer videobuf2_core snd_seq_device coretemp lib80211_crypt_tkip i915 videodev rfcomm kvm_intel videobuf2_vmalloc bnep wl(POF) bluetooth psmouse kvm drm_kms_helper snd drm mei dell_laptop dcdbas dell_wmi sou ndcore sparse_keymap ghash_clmulni_intel videobuf2_memops snd_page_alloc cryptd ppdev wmi i2c_algo_bit joydev lib80211 lp video serio_raw parport_pc lpc_ich microcode mac_hid parport binfmt_misc hid_logitech_dj us bhid hid ahci libahci firewire_ohci e1000e firewire_core sdhci_pci sdhci crc_itu_t [last unloaded: ipmi_msghandler] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426949] Pid: 61, comm: kworker/3:1 Tainted: PF O 3.8.5-030805-generic #201303281651 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426950] Call Trace: Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426957] [] warn_slowpath_common+0x7f/0xc0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426959] [] warn_slowpath_fmt+0x46/0x50 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426969] [] intel_wait_for_pipe_off+0x1aa/0x1c0 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426978] [] intel_disable_pipe+0x8e/0xa0 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426986] [] ironlake_crtc_disable+0xbd/0x260 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426996] [] intel_set_mode+0x1c6/0x3f0 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427006] [] intel_crtc_set_config.part.45+0x265/0x310 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427015] [] intel_crtc_set_config+0x3c/0x50 [i915] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427019] [] drm_fb_helper_pan_display+0x89/0xd0 [drm_kms_helper] Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427022] [] fb_pan_display+0xbd/0x170 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427025] [] bit_update_start+0x29/0x60 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427027] [] fbcon_switch+0x3b2/0x560 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427030] [] redraw_screen+0x179/0x240 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427032] [] complete_change_console+0x4b/0xf0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427034] [] change_console+0x63/0xb0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427036] [] console_callback+0xd3/0x140 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427038] [] process_one_work+0x141/0x490 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427040] [] worker_thread+0x168/0x400 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427041] [] ? manage_workers+0x120/0x120 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427043] [] kthread+0xc0/0xd0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427046] [] ? flush_kthread_worker+0xb0/0xb0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427049] [] ret_from_fork+0x7c/0xb0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427051] [] ? flush_kthread_worker+0xb0/0xb0 Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427052] ---[ end trace 02242d9b10156ca7 ]---