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: fuse ccm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun 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 iTCO_wdt arc4 iTCO_vendor_support ppdev btusb iwldvm snd_hda_codec_hdmi intel_rapl bluetooth snd_hda_codec_idt mac80211 iosf_mbi hp_wmi snd_hda_codec_generic x86_pkg_temp_thermal sparse_keymap coretemp kvm_intel snd_hda_intel snd_hda_controller kvm uvcvideo iwlwifi snd_hda_codec videobuf2_vmalloc videobuf2_core tpm_infineon snd_hwdep
 snd_seq videobuf2_memops v4l2_common videodev snd_seq_device cfg80211 media snd_pcm sdhci_pci serio_raw sdhci mmc_core rfkill joydev snd_timer lpc_ich mfd_core snd shpchp hp_accel tpm_tis parport_pc lis3lv02d mei_me input_polldev mei parport soundcore tpm hp_wireless wmi nfsd auth_rpcgss nfs_acl lockd grace sunrpc dm_crypt i915 crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel firewire_ohci firewire_core crc_itu_t i2c_algo_bit uas drm_kms_helper e1000e usb_storage drm ptp pps_core video
CPU: 3 PID: 18887 Comm: swapoff Not tainted 3.19.4-200.fc21.x86_64 #1
Hardware name: Hewlett-Packard HP EliteBook 8470w/179B, BIOS 68ICF Ver. F.31 09/24/2012
task: ffff8801e536cd80 ti: ffff880089fa4000 task.ti: ffff880089fa4000
RIP: 0010:[<ffffffffa0033439>]  [<ffffffffa0033439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
RSP: 0018:ffff880089fa7d58  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8800368a4400 RCX: 0000000000000000
RDX: 0000000000000040 RSI: 0000000000000000 RDI: ffff880105830188
RBP: ffff880089fa7d58 R08: ffff880209b18f70 R09: 0000000000000000
R10: ffff88022ffbc1c0 R11: ffff8800b4202400 R12: ffff880105830180
R13: ffff8800b3708400 R14: ffff8800b3715b78 R15: ffff8800b3715888
FS:  00007faddbe9f840(0000) GS:ffff88023eac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bc2990d50 CR3: 000000005ca21000 CR4: 00000000001407e0
Stack:
 ffff880089fa7d78 ffffffffa003532d ffff8800368a4400 ffff8800b3715800
 ffff880089fa7db8 ffffffffa00f9e01 ffff8800b37158d0 ffff8800b3708400
 ffff8800b3715800 ffff8800b4202ad0 ffff8800b4202ac8 ffff8800b3715888
Call Trace:
 [<ffffffffa003532d>] drm_plane_force_disable+0x9d/0xd0 [drm]
 [<ffffffffa00f9e01>] restore_fbdev_mode+0x51/0xf0 [drm_kms_helper]
 [<ffffffffa00fbed9>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
 [<ffffffffa01d920e>] intel_fbdev_restore_mode+0x1e/0x50 [i915]
 [<ffffffffa01fe7ee>] i915_driver_lastclose+0xe/0x20 [i915]
 [<ffffffffa0027d0e>] drm_lastclose+0x2e/0x150 [drm]
 [<ffffffffa00280f8>] drm_release+0x2c8/0x4b0 [drm]
 [<ffffffff8121b65f>] __fput+0xdf/0x1f0
 [<ffffffff8121b7be>] ____fput+0xe/0x10
 [<ffffffff810b8a94>] task_work_run+0xd4/0xf0
 [<ffffffff81014cd7>] do_notify_resume+0x97/0xb0
 [<ffffffff817752e7>] int_signal+0x12/0x17
Code: f9 73 e1 4c 89 e7 e8 c7 70 1c 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  [<ffffffffa0033439>] drm_framebuffer_free_bug+0x9/0x10 [drm]
 RSP <ffff880089fa7d58>

Potential duplicate: bug 1205650