Comment 114 for bug 1140716

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] [<ffffffff8105990f>] warn_slowpath_common+0x7f/0xc0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426959] [<ffffffff81059a06>] warn_slowpath_fmt+0x46/0x50
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426969] [<ffffffffa034265a>] intel_wait_for_pipe_off+0x1aa/0x1c0 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426978] [<ffffffffa03426fe>] intel_disable_pipe+0x8e/0xa0 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426986] [<ffffffffa0342e5d>] ironlake_crtc_disable+0xbd/0x260 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.426996] [<ffffffffa0347f36>] intel_set_mode+0x1c6/0x3f0 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427006] [<ffffffffa03483c5>] intel_crtc_set_config.part.45+0x265/0x310 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427015] [<ffffffffa03484ac>] intel_crtc_set_config+0x3c/0x50 [i915]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427019] [<ffffffffa01a0879>] drm_fb_helper_pan_display+0x89/0xd0 [drm_kms_helper]
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427022] [<ffffffff813aac6d>] fb_pan_display+0xbd/0x170
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427025] [<ffffffff813bba99>] bit_update_start+0x29/0x60
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427027] [<ffffffff813bb292>] fbcon_switch+0x3b2/0x560
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427030] [<ffffffff814331e9>] redraw_screen+0x179/0x240
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427032] [<ffffffff8142880b>] complete_change_console+0x4b/0xf0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427034] [<ffffffff8142a053>] change_console+0x63/0xb0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427036] [<ffffffff81434d43>] console_callback+0xd3/0x140
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427038] [<ffffffff81078c31>] process_one_work+0x141/0x490
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427040] [<ffffffff81079b08>] worker_thread+0x168/0x400
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427041] [<ffffffff810799a0>] ? manage_workers+0x120/0x120
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427043] [<ffffffff8107eff0>] kthread+0xc0/0xd0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427046] [<ffffffff8107ef30>] ? flush_kthread_worker+0xb0/0xb0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427049] [<ffffffff816f532c>] ret_from_fork+0x7c/0xb0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427051] [<ffffffff8107ef30>] ? flush_kthread_worker+0xb0/0xb0
Apr 9 08:06:44 jason-ubuntu kernel: [ 37.427052] ---[ end trace 02242d9b10156ca7 ]---