Additional info:
WARNING: at drivers/gpu/drm/i915/intel_display.c:1046 intel_wait_for_pipe_off+0x15c/0x190 [i915]()
Hardware name: HP Compaq dc7100 CMT(PC926A)
pipe_off wait timed out
Modules linked in: i915(+) video i2c_algo_bit drm_kms_helper drm i2c_core wmi
Pid: 161, comm: systemd-udevd Not tainted 3.8.5-201.fc18.i686.PAE #1
Call Trace:
 [<c044d882>] warn_slowpath_common+0x72/0xa0
 [<ed8c463c>] ? intel_wait_for_pipe_off+0x15c/0x190 [i915]
 [<ed8c463c>] ? intel_wait_for_pipe_off+0x15c/0x190 [i915]
 [<c044d953>] warn_slowpath_fmt+0x33/0x40
 [<ed8c463c>] intel_wait_for_pipe_off+0x15c/0x190 [i915]
 [<ed8c4772>] intel_disable_pipe+0x102/0x190 [i915]
 [<ed8c4c1d>] ? intel_disable_plane+0x2d/0x80 [i915]
 [<ed8c4d2c>] i9xx_crtc_disable+0xbc/0x180 [i915]
 [<ed8cc0ba>] intel_set_mode+0x34a/0x9d0 [i915]
 [<ed8ccd8e>] intel_crtc_set_config+0x64e/0x880 [i915]
 [<ed716bbc>] drm_fb_helper_set_par+0x5c/0xd0 [drm_kms_helper]
 [<c06dbd42>] fbcon_init+0x482/0x4d0
 [<c074801e>] visual_init+0x9e/0x100
 [<c074a3f1>] do_bind_con_driver+0x111/0x2d0
 [<c074a669>] do_take_over_console+0x49/0x60
 [<c06da44f>] do_fbcon_takeover+0x5f/0xc0
 [<c06ddaaf>] fbcon_event_notify+0x58f/0x690
 [<c0998108>] ? mutex_lock+0x18/0x40
 [<c099dbf3>] notifier_call_chain+0x43/0x60
 [<c0473aa1>] __blocking_notifier_call_chain+0x41/0x80
 [<c0473aff>] blocking_notifier_call_chain+0x1f/0x30
 [<c06cf816>] fb_notifier_call_chain+0x16/0x20
 [<c06d1916>] register_framebuffer+0x1a6/0x2d0
 [<ed716d95>] drm_fb_helper_single_fb_probe+0x165/0x2d0 [drm_kms_helper]
 [<ed71709f>] drm_fb_helper_initial_config+0x19f/0x200 [drm_kms_helper]
 [<c054be7f>] ? __kmalloc+0x1df/0x220
 [<c054c049>] ? kmem_cache_alloc_trace+0x189/0x1c0
 [<ed715f90>] ? drm_fb_helper_init+0xb0/0x180 [drm_kms_helper]
 [<ed715f90>] ? drm_fb_helper_init+0xb0/0x180 [drm_kms_helper]
 [<ed716097>] ? drm_fb_helper_single_add_all_connectors+0x37/0xc0 [drm_kms_helper]
 [<ed716097>] ? drm_fb_helper_single_add_all_connectors+0x37/0xc0 [drm_kms_helper]
 [<ed8e7736>] intel_fbdev_init+0x76/0xb0 [i915]
 [<ed8a3d17>] i915_driver_load+0xad7/0xd00 [i915]
 [<ed8a14f0>] ? i915_switcheroo_set_state+0xa0/0xa0 [i915]
 [<ed7cc36b>] drm_get_pci_dev+0x13b/0x270 [drm]
 [<ed89f429>] i915_pci_probe+0x39/0x90 [i915]
 [<c06b6b69>] pci_device_probe+0x79/0xb0
 [<c0773f89>] driver_probe_device+0x79/0x350
 [<c06b6abe>] ? pci_match_device+0x9e/0xb0
 [<c07742f1>] __driver_attach+0x91/0xa0
 [<c0774260>] ? driver_probe_device+0x350/0x350
 [<c07724c2>] bus_for_each_dev+0x42/0x80
 [<c07739be>] driver_attach+0x1e/0x20
 [<c0774260>] ? driver_probe_device+0x350/0x350
 [<c077366f>] bus_add_driver+0x17f/0x290
 [<c06b6920>] ? pci_match_id+0x90/0x90
 [<c06b6920>] ? pci_match_id+0x90/0x90
 [<c07748ea>] driver_register+0x6a/0x160
 [<c0441cde>] ? change_page_attr_set_clr+0x2fe/0x3b0
 [<ed722000>] ? 0xed721fff
 [<ed722000>] ? 0xed721fff
 [<c06b5d83>] __pci_register_driver+0x33/0x40
 [<ed7cc59d>] drm_pci_init+0xfd/0x110 [drm]
 [<ed722000>] ? 0xed721fff
 [<ed72205e>] i915_init+0x5e/0x60 [i915]
 [<c0403132>] do_one_initcall+0x112/0x160
 [<c0992b0e>] ? set_section_ro_nx+0x54/0x59
 [<c04aec8f>] load_module+0x1b2f/0x23c0
 [<c04d4118>] ? handle_percpu_irq+0x38/0x50
 [<c04af5b5>] sys_init_module+0x95/0x100
 [<c06355b3>] ? security_mmap_file+0x33/0x70
 [<c099a677>] syscall_call+0x7/0xb