Comment 90 for bug 1492764

I am having this issue on Ubuntu 15.10 amd64 kernel 4.2.0-27-generic on Asus UX303UB with Radeon 940M.
Occurred after installing bumblebee optimus and bumblebee-nvidia, together with nvidia-352

[ 67.167138] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 138780, found 92519)
[ 67.167140] ------------[ cut here ]------------
[ 67.167208] WARNING: CPU: 2 PID: 144 at /build/linux-NgsOGa/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12328 check_crtc_state+0x2c5/0x440 [i915]()
[ 67.167209] pipe state doesn't match!
[ 67.167297] Modules linked in: drbg ansi_cprng ctr ccm bnep bbswitch(OE) snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic nls_iso8859_1 snd_hda_intel btusb snd_hda_codec snd_hda_core snd_hwdep btrtl intel_rapl x86_pkg_temp_thermal arc4 btbcm intel_powerclamp coretemp snd_pcm btintel kvm_intel asus_nb_wmi snd_seq_midi asus_wmi snd_seq_midi_event bluetooth sparse_keymap mxm_wmi kvm snd_rawmidi iwlmvm mac80211 crct10dif_pclmul snd_seq crc32_pclmul uvcvideo videobuf2_vmalloc snd_seq_device videobuf2_memops iwlwifi snd_timer videobuf2_core v4l2_common aesni_intel videodev aes_x86_64 lrw gf128mul glue_helper ablk_helper media snd cryptd cfg80211 joydev input_leds serio_raw soundcore shpchp processor_thermal_device mei_me intel_soc_dts_iosf mei int3403_thermal wmi intel_lpss_acpi int3402_thermal
[ 67.167329] intel_lpss tpm_crb int340x_thermal_zone int3400_thermal acpi_als acpi_thermal_rel acpi_pad kfifo_buf industrialio mac_hid parport_pc ppdev lp parport autofs4 i915 psmouse i2c_algo_bit drm_kms_helper ahci libahci drm i2c_hid pinctrl_sunrisepoint video pinctrl_intel hid
[ 67.167337] CPU: 2 PID: 144 Comm: kworker/2:2 Tainted: G W OE 4.2.0-27-generic #32-Ubuntu
[ 67.167340] Hardware name: ASUSTeK COMPUTER INC. UX303UB/UX303UB, BIOS UX303UB.202 08/27/2015
[ 67.167352] Workqueue: events console_callback
[ 67.167361] 0000000000000000 00000000332cdecc ffff88036f0af658 ffffffff817eae99
[ 67.167367] 0000000000000000 ffff88036f0af6b0 ffff88036f0af698 ffffffff8107b9c6
[ 67.167372] ffff88036f0af6d8 ffff88036f0af740 ffff880374c0b800 0000000000000001
[ 67.167373] Call Trace:
[ 67.167387] [<ffffffff817eae99>] dump_stack+0x45/0x57
[ 67.167399] [<ffffffff8107b9c6>] warn_slowpath_common+0x86/0xc0
[ 67.167407] [<ffffffff8107ba55>] warn_slowpath_fmt+0x55/0x70
[ 67.167468] [<ffffffffc01d39b8>] ? intel_pipe_config_compare+0xb08/0xc60 [i915]
[ 67.167521] [<ffffffffc01d3dd5>] check_crtc_state+0x2c5/0x440 [i915]
[ 67.167589] [<ffffffffc01e7bfd>] intel_modeset_check_state+0x21d/0x6d0 [i915]
[ 67.167647] [<ffffffffc01e8db7>] intel_crtc_set_config+0x4c7/0x580 [i915]
[ 67.167703] [<ffffffffc007bbf0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
[ 67.167745] [<ffffffffc006c4a6>] drm_mode_set_config_internal+0x66/0x100 [drm]
[ 67.167768] [<ffffffffc00f92a1>] drm_fb_helper_pan_display+0x91/0xe0 [drm_kms_helper]
[ 67.167778] [<ffffffff8144352d>] ? soft_cursor+0x1ad/0x230
[ 67.167843] [<ffffffffc01f618a>] intel_fbdev_pan_display+0x1a/0x60 [i915]
[ 67.167849] [<ffffffff8144848f>] fb_pan_display+0xcf/0x160
[ 67.167857] [<ffffffff814425c0>] bit_update_start+0x20/0x50
[ 67.167865] [<ffffffff8143f683>] fbcon_switch+0x3b3/0x650
[ 67.167873] [<ffffffff814d2f6c>] redraw_screen+0x1ac/0x2a0
[ 67.167882] [<ffffffff814c9363>] complete_change_console+0x43/0xe0
[ 67.167889] [<ffffffff814cab59>] change_console+0x59/0xa0
[ 67.167895] [<ffffffff814d5580>] console_callback+0x110/0x180
[ 67.167906] [<ffffffff810947ba>] process_one_work+0x1aa/0x440
[ 67.167914] [<ffffffff81094a9b>] worker_thread+0x4b/0x4c0
[ 67.167922] [<ffffffff81094a50>] ? process_one_work+0x440/0x440
[ 67.167930] [<ffffffff81094a50>] ? process_one_work+0x440/0x440
[ 67.167937] [<ffffffff8109ae38>] kthread+0xd8/0xf0
[ 67.167944] [<ffffffff8109ad60>] ? kthread_create_on_node+0x1f0/0x1f0
[ 67.167951] [<ffffffff817f209f>] ret_from_fork+0x3f/0x70
[ 67.167957] [<ffffffff8109ad60>] ? kthread_create_on_node+0x1f0/0x1f0
[ 67.167962] ---[ end trace d33c12e63190e8e9 ]---