Additional info:
reporter:       libreport-2.1.10
WARNING: CPU: 0 PID: 176 at drivers/gpu/drm/i915/intel_display.c:8255 intel_modeset_check_state+0x653/0x7a0 [i915]()
encoder's hw state doesn't match sw tracking (expected 1, found 0)
Modules linked in: btrfs libcrc32c xor zlib_deflate raid6_pq i915(+) i2c_algo_bit drm_kms_helper drm i2c_core video
CPU: 0 PID: 176 Comm: systemd-udevd Not tainted 3.11.9-300.fc20.x86_64 #1
Hardware name: Hewlett-Packard HP Split 13 x2 PC/215A, BIOS F.05 07/05/2013
 0000000000000009 ffff8801465f9428 ffffffff8164418b ffff8801465f9470
 ffff8801465f9460 ffffffff8106715d 0000000000000001 ffff8801465f94ec
 ffff88014647ac60 ffff880146234e00 ffff88014647a800 ffff8801465f94c0
Call Trace:
 [<ffffffff8164418b>] dump_stack+0x45/0x56
 [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff810671cc>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffffa00b9303>] intel_modeset_check_state+0x653/0x7a0 [i915]
 [<ffffffffa00b94c5>] intel_set_mode+0x25/0x30 [i915]
 [<ffffffffa00b9d12>] intel_crtc_set_config+0x742/0x920 [i915]
 [<ffffffffa002ca4d>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
 [<ffffffffa0078641>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
 [<ffffffff81353da4>] fbcon_init+0x504/0x580
 [<ffffffff813c31ec>] visual_init+0xbc/0x120
 [<ffffffff813c59a3>] do_bind_con_driver+0x163/0x330
 [<ffffffff813c6154>] do_take_over_console+0x114/0x1c0
 [<ffffffff8134f5f3>] do_fbcon_takeover+0x63/0xd0
 [<ffffffff8135490d>] fbcon_event_notify+0x60d/0x720
 [<ffffffff8164ecac>] notifier_call_chain+0x4c/0x70
 [<ffffffff8108df1d>] __blocking_notifier_call_chain+0x4d/0x70
 [<ffffffff8108df56>] blocking_notifier_call_chain+0x16/0x20
 [<ffffffff8134635b>] fb_notifier_call_chain+0x1b/0x20
 [<ffffffff8134832d>] register_framebuffer+0x1dd/0x310
 [<ffffffffa00782ef>] drm_fb_helper_initial_config+0x32f/0x500 [drm_kms_helper]
 [<ffffffffa002b51f>] ? drm_mode_config_reset+0xcf/0xf0 [drm]
 [<ffffffffa007777e>] ? drm_fb_helper_init+0xfe/0x200 [drm_kms_helper]
 [<ffffffffa00da881>] intel_fbdev_initial_config+0x21/0x30 [i915]
 [<ffffffffa0089301>] i915_driver_load+0xdc1/0xdf0 [i915]
 [<ffffffffa0028516>] drm_get_pci_dev+0x166/0x280 [drm]
 [<ffffffffa008471c>] i915_pci_probe+0x2c/0x70 [i915]
 [<ffffffff8132b13e>] local_pci_probe+0x3e/0x70
 [<ffffffff8132c421>] pci_device_probe+0x121/0x130
 [<ffffffff813ee2c7>] driver_probe_device+0x87/0x390
 [<ffffffff813ee6a3>] __driver_attach+0x93/0xa0
 [<ffffffff813ee610>] ? __device_attach+0x40/0x40
 [<ffffffff813ec203>] bus_for_each_dev+0x63/0xa0
 [<ffffffff813edd1e>] driver_attach+0x1e/0x20
 [<ffffffff813ed8b8>] bus_add_driver+0x1e8/0x2a0
 [<ffffffffa0126000>] ? 0xffffffffa0125fff
 [<ffffffff813eece4>] driver_register+0x74/0x150
 [<ffffffffa0126000>] ? 0xffffffffa0125fff
 [<ffffffff8132afcb>] __pci_register_driver+0x4b/0x50
 [<ffffffffa002874a>] drm_pci_init+0x11a/0x130 [drm]
 [<ffffffffa0126000>] ? 0xffffffffa0125fff
 [<ffffffffa0126066>] i915_init+0x66/0x68 [i915]
 [<ffffffff810020fa>] do_one_initcall+0xfa/0x1b0
 [<ffffffff810524b3>] ? set_memory_nx+0x43/0x50
 [<ffffffff810cc69d>] load_module+0x1bbd/0x2660
 [<ffffffff810c89a0>] ? store_uevent+0x40/0x40
 [<ffffffff810cd2b6>] SyS_finit_module+0x86/0xb0
 [<ffffffff81653399>] system_call_fastpath+0x16/0x1b