Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 0 PID: 1107 at drivers/gpu/drm/drm_irq.c:1130 drm_wait_one_vblank+0xb0/0x170 [drm]()
vblank wait timed out on crtc 0
Modules linked in: nls_utf8 isofs xfs libcrc32c btrfs xor raid6_pq bnep bluetooth xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 rndis_host cdc_ether usbnet uas usb_storage 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_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep arc4 rt2800pci snd_seq rt2800mmio rt2800lib rt2x00pci rt2x00mmio rt2x00lib mac80211 cfg80211 eeprom_93cx6
 crc_ccitt rfkill gpio_ich snd_seq_device coretemp kvm_intel iTCO_wdt iTCO_vendor_support snd_pcm snd_timer snd soundcore kvm ppdev lpc_ich i2c_i801 serio_raw parport_pc parport tpm_tis tpm acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc i915 i2c_algo_bit video drm_kms_helper ata_generic pata_acpi r8169 drm mii
CPU: 0 PID: 1107 Comm: Xorg.bin Not tainted 3.19.2-201.fc21.i686 #1
Hardware name: langchao 12345/IPM41-D3, BIOS 080015  04/30/2010
 c0d039c7 bf7e71c4 00000000 e4503c98 c0a5d00f e4503cdc e4503ccc c045795b
 f7fad22c e4503cfc 00000453 f7fab4a3 0000046a f7f87b00 0000046a f7f87b00
 00000000 f3f3ac00 00000000 e4503ce8 c04579ce 00000009 e4503cdc f7fad22c
Call Trace:
 [<c0a5d00f>] dump_stack+0x41/0x52
 [<c045795b>] warn_slowpath_common+0x8b/0xc0
 [<f7f87b00>] ? drm_wait_one_vblank+0xb0/0x170 [drm]
 [<f7f87b00>] ? drm_wait_one_vblank+0xb0/0x170 [drm]
 [<c04579ce>] warn_slowpath_fmt+0x3e/0x60
 [<f7f87b00>] drm_wait_one_vblank+0xb0/0x170 [drm]
 [<f814cd72>] ? intel_psr_flush+0x72/0xd0 [i915]
 [<c04905b0>] ? wait_woken+0x80/0x80
 [<f813ae2c>] intel_pipe_set_base+0x11c/0x1f0 [i915]
 [<f8146019>] intel_crtc_set_config+0xb69/0xdc0 [i915]
 [<f7f8fe4e>] drm_mode_set_config_internal+0x4e/0xc0 [drm]
 [<f7f9391c>] drm_mode_setcrtc+0x24c/0x590 [drm]
 [<f7f9daa9>] ? drm_modeset_unlock_all+0x39/0x60 [drm]
 [<f7f936d0>] ? drm_mode_setplane+0x250/0x250 [drm]
 [<f7f86065>] drm_ioctl+0x1f5/0x560 [drm]
 [<c044f294>] ? __kunmap_atomic+0x84/0x100
 [<c056098e>] ? do_read_fault.isra.78+0x25e/0x2a0
 [<f7f936d0>] ? drm_mode_setplane+0x250/0x250 [drm]
 [<c06864a2>] ? avtab_search_node+0x32/0xb0
 [<f7f85e70>] ? drm_getmap+0xc0/0xc0 [drm]
 [<c05a3e02>] do_vfs_ioctl+0x322/0x540
 [<c067bd02>] ? inode_has_perm.isra.30+0x32/0x50
 [<c067be67>] ? file_has_perm+0x97/0xa0
 [<c0591d4c>] ? vfs_write+0x14c/0x1e0
 [<c067ca8b>] ? selinux_file_ioctl+0x4b/0xe0
 [<c05a4080>] SyS_ioctl+0x60/0x90
 [<c06864a2>] ? avtab_search_node+0x32/0xb0
 [<c06864a2>] ? avtab_search_node+0x32/0xb0
 [<c0a626df>] sysenter_do_call+0x12/0x12
 [<c06864a2>] ? avtab_search_node+0x32/0xb0
 [<c06864a2>] ? avtab_search_node+0x32/0xb0