Additional info: reporter: libreport-2.2.3 WARNING: CPU: 1 PID: 943 at drivers/gpu/drm/i915/intel_display.c:8255 intel_modeset_check_state+0x653/0x7a0 [i915]() encoder's hw state doesn't match sw tracking (expected 1, found 0) Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT 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 snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec ath9k vfat ath9k_common fat ath9k_hw uvcvideo snd_hwdep snd_seq videobuf2_vmalloc snd_seq_device ath mac80211 videobuf2_memops hid_sensor_hub videobuf2_core mfd_core snd_pcm videodev coretemp ath3k kvm media btusb cfg80211 bluetooth microcode joydev snd_page_alloc hid_multitouch serio_raw snd_timer snd soundcore shpchp ideapad_laptop sparse_keymap rfkill acpi_cpufreq mperf dm_crypt usb_storage i915 crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel drm i2c_core video CPU: 1 PID: 943 Comm: Xorg Not tainted 3.11.10-301.fc20.x86_64 #1 Hardware name: LENOVO 20332/AIUU1, BIOS 92CN28WW(V1.08) 01/21/2014 0000000000000009 ffff88012fb1dc30 ffffffff816441db ffff88012fb1dc78 ffff88012fb1dc68 ffffffff8106715d 0000000000000001 ffff88012fb1dcf4 ffff8801364b8460 ffff880137215000 ffff8801364b8000 ffff88012fb1dcc8 Call Trace: [<ffffffff816441db>] dump_stack+0x45/0x56 [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff810671cc>] warn_slowpath_fmt+0x4c/0x50 [<ffffffffa00e6303>] intel_modeset_check_state+0x653/0x7a0 [i915] [<ffffffffa00ea1d9>] intel_crt_dpms+0x79/0xb0 [i915] [<ffffffffa0030f68>] drm_mode_obj_set_property_ioctl+0x308/0x320 [drm] [<ffffffffa0030fb0>] drm_mode_connector_property_set_ioctl+0x30/0x40 [drm] [<ffffffffa0020122>] drm_ioctl+0x512/0x640 [drm] [<ffffffff811bac7d>] do_vfs_ioctl+0x2dd/0x4b0 [<ffffffff811baed1>] SyS_ioctl+0x81/0xa0 [<ffffffff816533d9>] system_call_fastpath+0x16/0x1b
Created attachment 926992 [details] File: dmesg
*** This bug has been marked as a duplicate of bug 1038943 ***