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: rfcomm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 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 bnep rtsx_usb_ms memstick intel_rapl iosf_mbi x86_pkg_temp_thermal coretemp arc4 kvm_intel iwlmvm mac80211 kvm fuse uvcvideo videobuf2_vmalloc videobuf2_core videobuf2_memops v4l2_common videodev snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic iTCO_wdt snd_hda_intel snd_hda_controller
 snd_hda_codec vfat fat iwlwifi btusb bluetooth cfg80211 snd_hwdep crct10dif_pclmul ie31200_edac iTCO_vendor_support crc32_pclmul asus_nb_wmi snd_seq snd_seq_device snd_pcm snd_timer media asus_wmi crc32c_intel edac_core snd ghash_clmulni_intel sparse_keymap rfkill mei_me serio_raw soundcore mei lpc_ich i2c_i801 shpchp nfsd auth_rpcgss nfs_acl lockd grace sunrpc rtsx_usb_sdmmc mmc_core rtsx_usb mfd_core i915 i2c_algo_bit drm_kms_helper drm mxm_wmi r8169 mii video wmi
CPU: 6 PID: 2152 Comm: threaded-ml Not tainted 3.19.3-200.fc21.x86_64 #1
Hardware name: ASUSTeK COMPUTER INC. N550JK/N550JK, BIOS N550JK.208 09/26/2014
task: ffff880220bdd730 ti: ffff8800bedf4000 task.ti: ffff8800bedf4000
RIP: 0010:[<ffffffffa004f439>]  [<ffffffffa004f439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
RSP: 0018:ffff8800bedf7b18  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880222df4c00 RCX: 0000000000000000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8800c876a9c8
RBP: ffff8800bedf7b18 R08: ffff8802114a3d70 R09: 0000000000000000
R10: ffff8800bed2aa00 R11: ffff88003fb68c00 R12: ffff8800c876a9c0
R13: ffff88003fbd2600 R14: ffff88003f952378 R15: ffff88003f952088
FS:  00007f3a2d311700(0000) GS:ffff88022ef80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f99f6fcd000 CR3: 0000000001c11000 CR4: 00000000001407e0
Stack:
 ffff8800bedf7b38 ffffffffa005132d ffff880222df4c00 ffff88003f952000
 ffff8800bedf7b78 ffffffffa00b0e01 ffff88003f9520d0 ffff88003fbd2600
 ffff88003f952000 ffff88003fb6b6d0 ffff88003fb6b6c8 ffff88003f952088
Call Trace:
 [<ffffffffa005132d>] drm_plane_force_disable+0x9d/0xd0 [drm]
 [<ffffffffa00b0e01>] restore_fbdev_mode+0x51/0xf0 [drm_kms_helper]
 [<ffffffffa00b2ed9>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
 [<ffffffffa014c20e>] intel_fbdev_restore_mode+0x1e/0x50 [i915]
 [<ffffffffa01717ee>] i915_driver_lastclose+0xe/0x20 [i915]
 [<ffffffffa0043d0e>] drm_lastclose+0x2e/0x150 [drm]
 [<ffffffffa00440f8>] drm_release+0x2c8/0x4b0 [drm]
 [<ffffffff8121b5af>] __fput+0xdf/0x1f0
 [<ffffffff8121b70e>] ____fput+0xe/0x10
 [<ffffffff810b8a94>] task_work_run+0xd4/0xf0
 [<ffffffff8109e492>] do_exit+0x302/0xa70
 [<ffffffff8123208a>] ? dput+0x2a/0x1b0
 [<ffffffff8109ec95>] do_group_exit+0x45/0xb0
 [<ffffffff810aa74c>] get_signal+0x27c/0x610
 [<ffffffff81014527>] do_signal+0x37/0x750
 [<ffffffff811fa376>] ? kmem_cache_free+0x1c6/0x210
 [<ffffffff8122a996>] ? final_putname+0x26/0x50
 [<ffffffff81014ca9>] do_notify_resume+0x69/0xb0
 [<ffffffff81774ca7>] int_signal+0x12/0x17
Code: 33 72 e1 4c 89 e7 e8 17 b0 1a 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  [<ffffffffa004f439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
 RSP <ffff8800bedf7b18>

Potential duplicate: bug 1205650