Additional info: reporter: libreport-2.3.0 WARNING: CPU: 0 PID: 1219 at drivers/gpu/drm/i915/intel_display.c:1278 assert_plane.constprop.78+0x6b/0x70 [i915]() plane A assertion failure (expected on, current off) Modules linked in: hidp rfcomm ccm fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter 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 arc4 bnep iwlmvm intel_rapl x86_pkg_temp_thermal mac80211 coretemp vfat btusb fat kvm_intel uvcvideo bluetooth hid_multitouch iwlwifi videobuf2_vmalloc snd_hda_codec_realtek videobuf2_memops videobuf2_core snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi snd_hda_intel kvm v4l2_common snd_hda_controller cfg80211 videodev snd_hda_codec i2c_i801 media snd_hwdep snd_seq serio_raw snd_seq_device rfkill snd_pcm snd_timer tpm_tis mei_me tpm mei snd i2c_hid i2c_designware_platform wmi i2c_designware_core dw_dmac dw_dmac_core lpc_ich soundcore mfd_core shpchp btrfs xor raid6_pq dm_crypt i915 crct10dif_pclmul crc32_pclmul crc32c_intel r8169 sdhci_acpi sdhci ghash_clmulni_intel mii i2c_algo_bit drm_kms_helper mmc_core video drm CPU: 0 PID: 1219 Comm: Xorg.bin Not tainted 3.17.8-300.fc21.x86_64 #1 Hardware name: SAMSUNG ELECTRONICS CO., LTD. 940X3G/930X3G/NP940X3G-K04US, BIOS P05ACJ.128.140819.dg 08/19/2014 0000000000000000 000000006c05f14f ffff8800cb5f78a8 ffffffff81741aea ffff8800cb5f78f0 ffff8800cb5f78e0 ffffffff810970bd 0000000000000000 ffff880211db6000 ffff88003f833000 ffff880211730000 0000000000000000 Call Trace: [<ffffffff81741aea>] dump_stack+0x45/0x56 [<ffffffff810970bd>] warn_slowpath_common+0x7d/0xa0 [<ffffffff8109713c>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffa0144fab>] assert_plane.constprop.78+0x6b/0x70 [i915] [<ffffffffa014a311>] hsw_disable_ips+0x41/0x190 [i915] [<ffffffffa0150c09>] intel_crtc_disable_planes+0x49/0x160 [i915] [<ffffffffa00fbe16>] ? intel_update_fbc+0x196/0x660 [i915] [<ffffffffa0151b17>] haswell_crtc_disable+0x57/0x330 [i915] [<ffffffffa014b7b1>] __intel_set_mode+0x7e1/0x16f0 [i915] [<ffffffffa01540d6>] intel_set_mode+0x16/0x30 [i915] [<ffffffffa015522a>] intel_crtc_set_config+0xa9a/0xeb0 [i915] [<ffffffffa000fa34>] drm_mode_set_config_internal+0x64/0xe0 [drm] [<ffffffffa0098df5>] drm_fb_helper_pan_display+0x95/0xf0 [drm_kms_helper] [<ffffffff813f485a>] fb_pan_display+0x9a/0x160 [<ffffffff813ee900>] bit_update_start+0x20/0x50 [<ffffffff813ecdfe>] fbcon_switch+0x3ae/0x5e0 [<ffffffff8146c209>] redraw_screen+0x1a9/0x250 [<ffffffff8146294f>] complete_change_console+0x3f/0xe0 [<ffffffff81463b8d>] vt_ioctl+0x119d/0x1430 [<ffffffff814574cd>] tty_ioctl+0x2ad/0xbf0 [<ffffffff810cda4b>] ? put_prev_entity+0x5b/0x400 [<ffffffff810c865f>] ? set_next_entity+0x5f/0x80 [<ffffffff810d0f69>] ? pick_next_task_fair+0x6c9/0x8c0 [<ffffffff812211c0>] do_vfs_ioctl+0x2d0/0x4b0 [<ffffffff81221421>] SyS_ioctl+0x81/0xa0 [<ffffffff81748ca9>] system_call_fastpath+0x16/0x1b
Created attachment 979726 [details] File: dmesg
I have a dual monitor setup: $ xrandr Screen 0: minimum 8 x 8, current 5760 x 1800, maximum 32767 x 32767 eDP1 connected 3200x1800+2560+0 (normal left inverted right x axis y axis) 293mm x 165mm 3200x1800 60.04*+ 2048x1536 60.00 1920x1440 60.00 1856x1392 60.01 1792x1344 60.01 1600x1200 60.00 1400x1050 59.98 1280x1024 60.02 1280x960 60.00 1024x768 60.00 800x600 60.32 56.25 640x480 59.94 DP1 disconnected (normal left inverted right x axis y axis) HDMI1 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 1920x1080 60.00 + 60.00 50.00 59.94 24.00 23.98 2560x1440 29.94 1920x1080i 60.00 50.00 59.94 1600x1200 60.00 1680x1050 59.88 1280x1024 75.02 60.02 1280x800 59.91 1152x864 75.00 1280x720 60.00 50.00 59.94 1440x576i 50.00 1024x768 75.08 60.00 1440x480i 60.00 59.94 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 2560x1440_30.00 29.94* VIRTUAL1 disconnected (normal left inverted right x axis y axis)
*** This bug has been marked as a duplicate of bug 1153661 ***