Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 0 PID: 1147 at drivers/gpu/drm/i915/intel_display.c:9717 intel_check_page_flip+0xdb/0xf0 [i915]()
Kicking stuck page flip: queued at 12753, now 12758
Modules linked in: xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 ccm 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 ppdev ip6table_nat parport_pc nf_conntrack_ipv6 nf_defrag_ipv6 parport nf_nat_ipv6 fuse ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 vmw_vsock_vmci_transport vsock nf_defrag_ipv4 vmw_vmci nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep vfat fat snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support hid_multitouch snd_hda_codec_realtek uvcvideo videobuf2_vmalloc videobuf2_core videobuf2_memops v4l2_common btusb videodev intel_rapl bluetooth media coretemp snd_hda_codec_generic
 snd_hda_intel kvm_intel kvm arc4 rtl8723be btcoexist snd_hda_controller rtl8723_common rtl_pci crct10dif_pclmul snd_hda_codec crc32_pclmul rtlwifi mac80211 cfg80211 snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_mfld_platform snd_soc_core crc32c_intel ghash_clmulni_intel snd_compress snd_hwdep ideapad_laptop snd_seq snd_seq_device snd_pcm sparse_keymap shpchp iosf_mbi rfkill serio_raw snd_timer snd wmi lpc_ich mfd_core mei_txe snd_soc_sst_acpi soundcore i2c_i801 mei nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc i915 i2c_algo_bit drm_kms_helper drm uas r8169 mii usb_storage video
CPU: 0 PID: 1147 Comm: teamviewerd Not tainted 3.19.5-200.fc21.x86_64 #1
Hardware name: LENOVO INVALID/Lenovo Flex 2-14, BIOS A3CN25WW 04/30/2014
 0000000000000000 000000001457128e ffff88017fc03ce8 ffffffff8176ead5
 0000000000000000 ffff88017fc03d40 ffff88017fc03d28 ffffffff8109bc1a
 ffff88017fc03d28 ffff88017895d000 ffff880178e0d000 0000000000000000
Call Trace:
 <IRQ>  [<ffffffff8176ead5>] dump_stack+0x45/0x57
 [<ffffffff8109bc1a>] warn_slowpath_common+0x8a/0xc0
 [<ffffffff8109bca5>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa014035b>] intel_check_page_flip+0xdb/0xf0 [i915]
 [<ffffffffa0109506>] valleyview_pipestat_irq_handler+0x206/0x210 [i915]
 [<ffffffffa010ed11>] valleyview_irq_handler+0xc1/0x170 [i915]
 [<ffffffff810f29f7>] handle_irq_event_percpu+0x77/0x1a0
 [<ffffffff810f2b5b>] handle_irq_event+0x3b/0x60
 [<ffffffff810f5d1e>] handle_edge_irq+0x6e/0x120
 [<ffffffff81017414>] handle_irq+0x74/0x140
 [<ffffffff8177803f>] do_IRQ+0x4f/0xf0
 [<ffffffff81775e2d>] common_interrupt+0x6d/0x6d
 <EOI>  [<ffffffff81234158>] ? __d_lookup_rcu+0x48/0x160
 [<ffffffff81224883>] lookup_fast+0x53/0x300
 [<ffffffff812261eb>] link_path_walk+0x1ab/0xe80
 [<ffffffff81228187>] path_init+0xb7/0x450
 [<ffffffff81229e93>] path_openat+0x73/0x660
 [<ffffffff811c9dd0>] ? tlb_flush_mmu_free+0x40/0x60
 [<ffffffff811cab0c>] ? tlb_finish_mmu+0x1c/0x50
 [<ffffffff8122bc49>] do_filp_open+0x49/0xd0
 [<ffffffff81238ade>] ? __alloc_fd+0x7e/0x120
 [<ffffffff8121897b>] do_sys_open+0x13b/0x250
 [<ffffffff8126e231>] compat_SyS_openat+0x11/0x20
 [<ffffffff81777a0a>] sysenter_dispatch+0x7/0x21

Potential duplicate: bug 1207169