Additional info:
reporter:       libreport-2.3.0
kernel BUG at drivers/gpu/drm/drm_crtc.c:536!
invalid opcode: 0000 [#1] SMP 
Modules linked in: bnep bluetooth rfkill fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl iosf_mbi snd_hda_intel snd_hda_controller x86_pkg_temp_thermal snd_hda_codec coretemp snd_hwdep snd_seq kvm_intel snd_seq_device iTCO_wdt kvm iTCO_vendor_support snd_pcm serio_raw snd_timer lpc_ich ie31200_edac
 i2c_i801 snd mfd_core edac_core nuvoton_cir mei_me mei tpm_tis shpchp rc_core tpm soundcore nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc sunrpc dm_crypt i915 i2c_algo_bit drm_kms_helper drm crct10dif_pclmul crc32_pclmul crc32c_intel r8169 ghash_clmulni_intel mii video
CPU: 3 PID: 1405 Comm: systemd-logind Not tainted 3.19.3-200.fc21.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H77M-ITX, BIOS P1.90 03/04/2014
task: ffff8800c8f19d10 ti: ffff8804066b0000 task.ti: ffff8804066b0000
RIP: 0010:[<ffffffffa008f439>]  [<ffffffffa008f439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
RSP: 0018:ffff8804066b39c8  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88040a24b400 RCX: 0000000000000000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8803f886b6c8
RBP: ffff8804066b39c8 R08: ffff88030f06ea70 R09: 0000000000000000
R10: ffff8803626e1080 R11: 00000000fffffda8 R12: ffff8803f886b6c0
R13: ffff880408dd8b00 R14: ffff880036460b78 R15: ffff880409d32800
FS:  00007efc611b98c0(0000) GS:ffff88041f2c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc611e7000 CR3: 0000000408d73000 CR4: 00000000001407e0
Stack:
 ffff8804066b39e8 ffffffffa009132d ffff88040a24b400 ffff880036460800
 ffff8804066b3a28 ffffffffa00f0e01 ffff8804066b3ba8 ffff880408dd8b00
 ffff880036460800 ffff880409d32860 0000000000000080 ffff880409d32800
Call Trace:
 [<ffffffffa009132d>] drm_plane_force_disable+0x9d/0xd0 [drm]
 [<ffffffffa00f0e01>] restore_fbdev_mode+0x51/0xf0 [drm_kms_helper]
 [<ffffffffa00f2ed9>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
 [<ffffffffa00f2f52>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
 [<ffffffffa017fc7a>] intel_fbdev_set_par+0x1a/0x60 [i915]
 [<ffffffff8140cc70>] fb_set_var+0x190/0x420
 [<ffffffff811b8aa5>] ? shmem_undo_range+0x3d5/0x6d0
 [<ffffffff810dd588>] ? __wake_up+0x48/0x60
 [<ffffffff814030bc>] fbcon_blank+0x25c/0x340
 [<ffffffff813251db>] ? cred_has_capability+0x6b/0x130
 [<ffffffff814874aa>] do_unblank_screen+0xba/0x1f0
 [<ffffffff8147e2b1>] vt_ioctl+0x13b1/0x1430
 [<ffffffff81320ff7>] ? avc_alloc_node+0x27/0x130
 [<ffffffff81470489>] tty_ioctl+0x409/0xc50
 [<ffffffff813217b8>] ? avc_has_perm+0xd8/0x1a0
 [<ffffffff8122e298>] do_vfs_ioctl+0x2f8/0x500
 [<ffffffff8122e521>] SyS_ioctl+0x81/0xa0
 [<ffffffff81774a09>] system_call_fastpath+0x12/0x17
Code: 33 6e e1 4c 89 e7 e8 17 b0 16 e1 48 83 c4 08 5b 41 5c 41 5d 5d c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 <0f> 0b 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 
RIP  [<ffffffffa008f439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
 RSP <ffff8804066b39c8>

Potential duplicate: bug 1205449