[ 875.333793] [drm:intel_pipe_config_compare] *ERROR* mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 0, found 2) [ 875.333796] ------------[ cut here ]------------ [ 875.333811] WARNING: at drivers/gpu/drm/i915/intel_display.c:8389 check_crtc_state+0x6ba/0x701 [i915]() [ 875.333812] pipe state doesn't match! [ 875.333813] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support acpi_cpufreq coretemp snd_hda_codec_hdmi kvm_intel kvm snd_hda_codec_realtek microcode pcspkr serio_raw i2c_i801 firewire_ohci lpc_ich firewire_core mfd_core crc_itu_t snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore tpm_tis tpm tpm_bios i915 video button drm_kms_helper drm mperf freq_table [ 875.333833] CPU: 1 PID: 4744 Comm: testdisplay Tainted: G W 3.10.0-rc7_drm-intel-next-queued_d8fc8a_20130721_+ #5946 [ 875.333834] Hardware name: /DQ67SW, BIOS SWQ6710H.86A.0060.2011.1220.1805 12/20/2011 [ 875.333836] ffffffff816e7c25 0000000000000000 ffffffff8102c53d ffff88022e573890 [ 875.333838] ffff88022e573898 0000000000000001 ffff8802302d2000 ffff88022feb9000 [ 875.333841] ffff88022e573908 ffff88022fe9c000 ffffffff8102c5ed ffffffffa00c50e2 [ 875.333843] Call Trace: [ 875.333848] [] ? dump_stack+0xd/0x17 [ 875.333852] [] ? warn_slowpath_common+0x5f/0x77 [ 875.333854] [] ? warn_slowpath_fmt+0x45/0x4a [ 875.333862] [] ? check_crtc_state+0x6ba/0x701 [i915] [ 875.333870] [] ? intel_modeset_check_state+0x36f/0x5e8 [i915] [ 875.333877] [] ? intel_set_mode+0x1d/0x27 [i915] [ 875.333883] [] ? intel_crtc_set_config+0x5f6/0x7e5 [i915] [ 875.333890] [] ? drm_mode_set_config_internal+0x44/0xac [drm] [ 875.333896] [] ? drm_mode_setcrtc+0x437/0x4e8 [drm] [ 875.333901] [] ? drm_ioctl+0x290/0x3b5 [drm] [ 875.333906] [] ? drm_mode_setplane+0x317/0x317 [drm] [ 875.333909] [] ? __schedule+0x60a/0x751 [ 875.333913] [] ? __wake_up+0x35/0x46 [ 875.333916] [] ? vfs_ioctl+0x1e/0x31 [ 875.333918] [] ? do_vfs_ioctl+0x3e9/0x42b [ 875.333920] [] ? SyS_ioctl+0x4e/0x7d [ 875.333923] [] ? system_call_fastpath+0x16/0x1b [ 875.333924] ---[ end trace eb42cff3ccec672d ]---