Description of problem: The problem has been encountered after system startup. Additional info: reporter: libreport-2.3.0 WARNING: CPU: 1 PID: 677 at drivers/gpu/drm/i915/intel_display.c:3361 intel_crtc_wait_for_pending_flips+0x1a5/0x1b0 [i915]() Modules linked in: ccm fuse ip6t_rpfilter ip6t_REJECT bnep bluetooth 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_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec arc4 brcmsmac cordic brcmutil b43 mac80211 cfg80211 ssb bcma rtsx_usb_ms memstick coretemp rtsx_usb_sdmmc mmc_core microcode rtsx_usb iTCO_wdt iTCO_vendor_support snd_hwdep i2c_i801 lpc_ich mfd_core ideapad_laptop sparse_keymap snd_seq shpchp joydev serio_raw rfkill acpi_cpufreq snd_seq_device snd_pcm snd_timer snd soundcore i915 i2c_algo_bit drm_kms_helper atl1c drm video CPU: 1 PID: 677 Comm: X Not tainted 3.17.7-200.fc20.x86_64 #1 Hardware name: LENOVO 20107 /PAW10, BIOS 4ECN17WW(V1.07) 04/12/2011 0000000000000000 0000000019732624 ffff880079b27bc0 ffffffff8172758c 0000000000000000 ffff880079b27bf8 ffffffff81092e7d 0000000000000000 ffff880036ea9000 ffff8800372582c0 ffff880036eb1800 0000000000000000 Call Trace: [<ffffffff8172758c>] dump_stack+0x45/0x56 [<ffffffff81092e7d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff81092faa>] warn_slowpath_null+0x1a/0x20 [<ffffffffa00e07b5>] intel_crtc_wait_for_pending_flips+0x1a5/0x1b0 [i915] [<ffffffff810d1840>] ? prepare_to_wait_event+0xf0/0xf0 [<ffffffffa00e7c44>] intel_crtc_disable_planes+0x34/0x160 [i915] [<ffffffffa00e7dcb>] i9xx_crtc_disable+0x5b/0x5e0 [i915] [<ffffffffa00e2019>] intel_crtc_control+0x49/0x100 [i915] [<ffffffffa00e2137>] intel_crtc_update_dpms+0x67/0x80 [i915] [<ffffffffa00eb049>] intel_connector_dpms+0x59/0x70 [i915] [<ffffffffa0030f5f>] drm_mode_obj_set_property_ioctl+0x39f/0x3b0 [drm] [<ffffffffa0030faf>] drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm] [<ffffffffa0021e0c>] drm_ioctl+0x1ec/0x660 [drm] [<ffffffff813df3eb>] ? backlight_generate_event+0x6b/0xa0 [<ffffffff8137d940>] ? lockref_put_or_lock+0x50/0x80 [<ffffffff81216d34>] ? dput+0x24/0x170 [<ffffffff81213500>] do_vfs_ioctl+0x2e0/0x4a0 [<ffffffff812020ee>] ? ____fput+0xe/0x10 [<ffffffff810aeb4c>] ? task_work_run+0xac/0xe0 [<ffffffff81213741>] SyS_ioctl+0x81/0xa0 [<ffffffff8172ec69>] system_call_fastpath+0x16/0x1b
Created attachment 975949 [details] File: dmesg
*** This bug has been marked as a duplicate of bug 1136531 ***