Comment 55 for bug 1436590

Hello,

I'm getting same problem, different laptop, bios details:
        Vendor: Alienware
        Version: A02
        Release Date: 12/16/2014

xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4
kernel version: 3.19.0-30-generic

[477531.252120] ------------[ cut here ]------------
[477531.252154] WARNING: CPU: 0 PID: 943 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:1260 assert_plane.constprop.85+0x7a/0xb0 [i915]()
[477531.252154] plane A assertion failure (expected on, current off)
[477531.252170] Modules linked in: xt_REDIRECT nf_nat_redirect xt_hl vhost_net vhost macvtap macvlan dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag nls_utf8 isofs huawei_cdc_ncm cdc_wdm cdc_ncm usbnet mii option usb_wwan usbserial hid_plantronics uas usb_storage snd_usb_audio snd_usbmidi_lib hid_microsoft veth ctr ccm xt_conntrack ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables binfmt_misc rfcomm bnep bbswitch(OE) dell_wmi arc4 mxm_wmi joydev sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal snd_hda_codec_realtek intel_powerclamp snd_hda_codec_generic snd_hda_codec_hdmi
[477531.252186] coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_soc_rt5640 snd_soc_rl6231 snd_hda_intel dm_multipath snd_soc_core scsi_dh snd_hda_controller snd_compress snd_hda_codec snd_pcm_dmaengine aesni_intel snd_hwdep snd_pcm aes_x86_64 lrw iwlmvm gf128mul uvcvideo glue_helper ablk_helper mac80211 videobuf2_vmalloc videobuf2_memops cryptd snd_seq_midi snd_seq_midi_event videobuf2_core v4l2_common serio_raw videodev snd_rawmidi media iwlwifi snd_seq btusb snd_seq_device bluetooth snd_timer i915 cfg80211 int3403_thermal drm_kms_helper dw_dmac 8250_dw drm dell_smo8800 wmi video snd dw_dmac_core snd_soc_sst_acpi mei_me i2c_algo_bit i2c_hid lpc_ich spi_pxa2xx_platform mei shpchp soundcore acpi_pad int3402_thermal int3400_thermal processor_thermal_device acpi_thermal_rel
[477531.252193] mac_hid int340x_thermal_zone parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq hid_generic usbhid hid psmouse ahci alx libahci mdio sdhci_acpi sdhci [last unloaded: nvidia]
[477531.252195] CPU: 0 PID: 943 Comm: Xorg Tainted: P W OE 4.0.0-999-generic #201503292205
[477531.252196] Hardware name: Alienware Alienware 13/0D47G7, BIOS A02 12/16/2014
[477531.252198] 00000000000004ec ffff880035f6b6c8 ffffffff817e3106 000000000000523c
[477531.252199] ffff880035f6b718 ffff880035f6b708 ffffffff810791b7 0000000000000000
[477531.252200] 0000000000000000 ffff880222c10000 ffff8800c678c000 ffff880222c10000
[477531.252200] Call Trace:
[477531.252204] [<ffffffff817e3106>] dump_stack+0x45/0x57
[477531.252207] [<ffffffff810791b7>] warn_slowpath_common+0x97/0xe0
[477531.252209] [<ffffffff810792b6>] warn_slowpath_fmt+0x46/0x50
[477531.252228] [<ffffffffc06d365a>] assert_plane.constprop.85+0x7a/0xb0 [i915]
[477531.252243] [<ffffffffc06dea9e>] hsw_disable_ips+0x5e/0x1b0 [i915]
[477531.252257] [<ffffffffc06dee38>] intel_crtc_disable_planes+0x48/0x150 [i915]
[477531.252270] [<ffffffffc06df475>] haswell_crtc_disable+0x55/0x2d0 [i915]
[477531.252282] [<ffffffffc06dfbf8>] __intel_set_mode+0x1b8/0x3e0 [i915]
[477531.252296] [<ffffffffc06e3758>] intel_crtc_set_config+0x408/0x4f0 [i915]
[477531.252310] [<ffffffffc05283c7>] ? drm_atomic_state_free+0x27/0x50 [drm]
[477531.252328] [<ffffffffc06f3d1c>] ? intel_atomic_commit+0xcc/0x100 [i915]
[477531.252335] [<ffffffffc058895d>] ? drm_atomic_helper_plane_set_property+0x8d/0xc0 [drm_kms_helper]
[477531.252346] [<ffffffffc0518016>] drm_mode_set_config_internal+0x66/0x110 [drm]
[477531.252353] [<ffffffffc058b648>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper]
[477531.252360] [<ffffffffc058d160>] drm_fb_helper_restore_fbdev_mode_unlocked+0x30/0x80 [drm_kms_helper]
[477531.252367] [<ffffffffc058d1d4>] drm_fb_helper_set_par+0x24/0x50 [drm_kms_helper]
[477531.252384] [<ffffffffc06f042a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[477531.252386] [<ffffffff81438873>] fb_set_var+0x283/0x3a0
[477531.252389] [<ffffffff810b2330>] ? check_preempt_wakeup+0x110/0x210
[477531.252391] [<ffffffff8142f994>] fbcon_blank+0x1e4/0x2d0
[477531.252394] [<ffffffff814c2290>] do_unblank_screen.part.22+0xa0/0x180
[477531.252395] [<ffffffff814c23bc>] do_unblank_screen+0x4c/0x80
[477531.252397] [<ffffffff814b7885>] complete_change_console+0x65/0xf0
[477531.252398] [<ffffffff814b8a1d>] vt_ioctl+0x110d/0x1190
[477531.252407] [<ffffffffc050cc9e>] ? drm_ioctl+0x9e/0x590 [drm]
[477531.252423] [<ffffffffc035a969>] ? btrfs_file_write_iter+0x289/0x310 [btrfs]
[477531.252426] [<ffffffff814ab258>] tty_ioctl+0x418/0x980
[477531.252429] [<ffffffff8123b694>] ? fsnotify+0x204/0x260
[477531.252432] [<ffffffff8120f2a5>] do_vfs_ioctl+0x75/0x320
[477531.252434] [<ffffffff811fca06>] ? vfs_write+0x196/0x1f0
[477531.252435] [<ffffffff812195e5>] ? __fget_light+0x25/0x70
[477531.252437] [<ffffffff8120f5e1>] SyS_ioctl+0x91/0xb0
[477531.252440] [<ffffffff817ef90d>] system_call_fastpath+0x16/0x1b
[477531.252441] ---[ end trace 5d9b0d90d4927ac2 ]---
[477532.052484] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun