Additional info:
reporter:       libreport-2.1.10
WARNING: CPU: 2 PID: 241 at drivers/gpu/drm/i915/intel_display.c:844 intel_wait_for_pipe_off+0x108/0x1e0 [i915]()
pipe_off wait timed out
Modules linked in: crct10dif_pclmul crc32_pclmul crc32c_intel i915(+) ghash_clmulni_intel i2c_algo_bit drm_kms_helper drm i2c_core video
CPU: 2 PID: 241 Comm: systemd-udevd Not tainted 3.12.6-300.fc20.x86_64 #1
Hardware name: LENOVO 5397FEG/5397FEG, BIOS 6QET67WW (1.37 ) 06/29/2011
 0000000000000009 ffff88022d4e92d0 ffffffff816630c1 ffff88022d4e9318
 ffff88022d4e9308 ffffffff810691dd 0000000000070008 ffff88022d6f0000
 00000000fffb7573 ffff88022d4e9fd8 ffff88022d208c18 ffff88022d4e9368
Call Trace:
 [<ffffffff816630c1>] dump_stack+0x45/0x56
 [<ffffffff810691dd>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff8106924c>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffffa00c0008>] intel_wait_for_pipe_off+0x108/0x1e0 [i915]
 [<ffffffffa00c0172>] intel_disable_pipe+0x92/0xa0 [i915]
 [<ffffffffa00c2eb6>] ironlake_crtc_disable+0xd6/0x950 [i915]
 [<ffffffffa00c7bc4>] __intel_set_mode+0x804/0x1420 [i915]
 [<ffffffffa00cac66>] intel_set_mode+0x16/0x30 [i915]
 [<ffffffffa00cb563>] intel_crtc_set_config+0x7e3/0x9d0 [i915]
 [<ffffffffa002d1bd>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
 [<ffffffffa007a631>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
 [<ffffffff81364304>] fbcon_init+0x4f4/0x570
 [<ffffffff813d4a18>] visual_init+0xb8/0x120
 [<ffffffff813d7203>] do_bind_con_driver+0x163/0x330
 [<ffffffff813d79b4>] do_take_over_console+0x114/0x1c0
 [<ffffffff8135fbc3>] do_fbcon_takeover+0x63/0xd0
 [<ffffffff81364e6d>] fbcon_event_notify+0x60d/0x720
 [<ffffffff8166db9c>] notifier_call_chain+0x4c/0x70
 [<ffffffff8109097d>] __blocking_notifier_call_chain+0x4d/0x70
 [<ffffffff810909b6>] blocking_notifier_call_chain+0x16/0x20
 [<ffffffff8135697b>] fb_notifier_call_chain+0x1b/0x20
 [<ffffffff8135894b>] register_framebuffer+0x1db/0x310
 [<ffffffffa007a2df>] drm_fb_helper_initial_config+0x32f/0x500 [drm_kms_helper]
 [<ffffffffa00f9f9b>] ? i915_read32+0x6b/0x140 [i915]
 [<ffffffffa00ee111>] intel_fbdev_initial_config+0x21/0x30 [i915]
 [<ffffffffa00952f7>] i915_driver_load+0xf27/0xf50 [i915]
 [<ffffffffa0028ef9>] drm_get_pci_dev+0x129/0x2e0 [drm]
 [<ffffffffa009165c>] i915_pci_probe+0x2c/0x70 [i915]
 [<ffffffff8133b33e>] local_pci_probe+0x3e/0x70
 [<ffffffff8133c6e1>] pci_device_probe+0x121/0x130
 [<ffffffff813ffff5>] driver_probe_device+0x125/0x3a0
 [<ffffffff81400343>] __driver_attach+0x93/0xa0
 [<ffffffff814002b0>] ? __device_attach+0x40/0x40
 [<ffffffff813fde13>] bus_for_each_dev+0x63/0xa0
 [<ffffffff813ff9ae>] driver_attach+0x1e/0x20
 [<ffffffff813ff520>] bus_add_driver+0x200/0x2d0
 [<ffffffffa013e000>] ? 0xffffffffa013dfff
 [<ffffffff81400984>] driver_register+0x64/0xf0
 [<ffffffffa013e000>] ? 0xffffffffa013dfff
 [<ffffffff8133b1bc>] __pci_register_driver+0x4c/0x50
 [<ffffffffa00291ca>] drm_pci_init+0x11a/0x130 [drm]
 [<ffffffffa013e000>] ? 0xffffffffa013dfff
 [<ffffffffa013e066>] i915_init+0x66/0x68 [i915]
 [<ffffffff810020f2>] do_one_initcall+0xf2/0x1a0
 [<ffffffff81054533>] ? set_memory_nx+0x43/0x50
 [<ffffffff810d688d>] load_module+0x1b9d/0x2640
 [<ffffffff810d2a40>] ? store_uevent+0x40/0x40
 [<ffffffff810d74a6>] SyS_finit_module+0x86/0xb0
 [<ffffffff81672129>] system_call_fastpath+0x16/0x1b