Ubuntu 15.10, but distribution probably not relevant anyway $ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date 1.2.3 01/08/2016 HDMI does not work, kernel 4.5.0-040500rc3-generic crashes, see [ 64.746761] 28.082361] [drm:intel_dp_start_link_train [i915]] *ERROR* 5.4 Gbps link rate without HBR2/TPS3 support [ 64.604726] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 64.607091] ------------[ cut here ]------------ [ 64.607100] WARNING: CPU: 0 PID: 914 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3544 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 64.607101] WARN_ON(!wm_changed) [ 64.607102] Modules linked in: [ 64.607103] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal dell_laptop dcdbas dell_wmi i2c_designware_platform intel_powerclamp i2c_designware_core sparse_keymap coretemp dell_led kvm_intel nls_iso8859_1 snd_soc_skl kvm snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core irqbypass snd_soc_sst_acpi(P) crct10dif_pclmul snd_soc_core crc32_pclmul snd_compress ac97_bus snd_hda_codec_realtek ghash_clmulni_intel snd_hda_codec_generic snd_pcm_dmaengine aesni_intel aes_x86_64 cdc_ether dw_dmac_core lrw brcmfmac usbnet gf128mul glue_helper ablk_helper cryptd r8152 snd_hda_intel mii snd_hda_codec brcmutil rtsx_pci_ms snd_hda_core memstick snd_hwdep cfg80211 snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer serio_raw snd uvcvideo [ 64.607129] videobuf2_vmalloc videobuf2_memops soundcore videobuf2_v4l2 btusb videobuf2_core btrtl videodev shpchp media joydev hid_multitouch input_leds idma64 virt_dma mei_me processor_thermal_device mei intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi int3400_thermal int3403_thermal intel_lpss acpi_thermal_rel int340x_thermal_zone acpi_pad acpi_als mac_hid kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit drm_kms_helper nvme rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel fjes [ 64.607152] CPU: 0 PID: 914 Comm: Xorg Tainted: P U 4.5.0-040500rc3-generic #201602071930 [ 64.607153] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 64.607154] 0000000000000286 000000007f99a72e ffff88046ccc3938 ffffffff813e1133 [ 64.607156] ffff88046ccc3980 ffffffffc027f758 ffff88046ccc3970 ffffffff810800a2 [ 64.607157] ffff880467297000 ffff880466d49bd4 ffff880467296000 ffff8804673d0b78 [ 64.607158] Call Trace: [ 64.607162] [<ffffffff813e1133>] dump_stack+0x63/0x90 [ 64.607165] [<ffffffff810800a2>] warn_slowpath_common+0x82/0xc0 [ 64.607166] [<ffffffff8108013c>] warn_slowpath_fmt+0x5c/0x80 [ 64.607173] [<ffffffffc01b867c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 64.607179] [<ffffffffc01b8815>] skl_update_wm+0x185/0x640 [i915] [ 64.607190] [<ffffffffc020447d>] ? gen9_write32+0x26d/0x360 [i915] [ 64.607202] [<ffffffffc0241c7f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915] [ 64.607209] [<ffffffffc01bc1ee>] intel_update_watermarks+0x1e/0x30 [i915][[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[64.607220] [<ffffffffc0225e91>] haswell_crtc_enable+0x321/0x8c0 [i915] 64.607222] [<ffffffff81821552>] ? mutex_lock+0x12/0x30 64.607233] [<ffffffffc0222ad2>] intel_atomic_commit+0x6e2/0xb30 [i915] 64.607244] [<ffffffffc00a7581>] ? drm_atomic_check_only+0x181/0x600 [drm] 64.607251] [<ffffffffc00a7a37>] drm_atomic_commit+0x37/0x60 [drm] 64.607256] [<ffffffffc014cb96>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] 64.607263] [<ffffffffc0096c32>] drm_mode_set_config_internal+0x62/0x100 [drm] 64.607270] [<ffffffffc009b500>] drm_mode_setcrtc+0x3e0/0x500 [drm] 64.607274] [<ffffffffc008c862>] drm_ioctl+0x152/0x540 [drm] 64.607281] [<ffffffffc009b120>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] 64.607283] [<ffffffff81229891>] do_vfs_ioctl+0xa1/0x5b0 64.607285] [<ffffffff8108ce31>] ? __set_task_blocked+0x41/0xa0 64.607287] [<ffffffff8108f776>] ? __set_current_blocked+0x36/0x60 64.607288] [<ffffffff81229e19>] SyS_ioctl+0x79/0x90 64.607290] [<ffffffff8108fa3e>] ? SyS_rt_sigprocmask+0x8e/0xc0 64.607292] [<ffffffff818236f6>] entry_SYSCALL_64_fastpath+0x16/0x75 64.607293] ---[ end trace 020a3f9bb4f3d542 ]--- 64.746761] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun 65.059124] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 65.473528] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 65.887833] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 66.301464] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 66.715457] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 67.128973] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 67.543044] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 67.956578] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 68.370601] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 68.784076] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 69.198367] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 69.611484] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 70.025330] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 70.438701] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 70.852651] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 71.266395] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 71.680093] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 72.093957] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 72.507673] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 72.921317] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 73.335102] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 73.748690] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 74.162125] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 74.576081] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 74.989828] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 75.403590] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 75.817337] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 76.230957] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 76.644664] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 77.058209] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 77.470850] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting 77.884522] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting[ 78.298070] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 78.383063] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* failed to get link status [ 78.391594] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start channel equalization [ 79.623014] ------------[ cut here ]------------ [ 79.623052] WARNING: CPU: 1 PID: 914 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3544 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 79.623056] WARN_ON(!wm_changed) [ 79.623059] Modules linked in: [ 79.623063] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal dell_laptop dcdbas dell_wmi i2c_designware_platform intel_powerclamp i2c_designware_core sparse_keymap coretemp dell_led kvm_intel nls_iso8859_1 snd_soc_skl kvm snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core irqbypass snd_soc_sst_acpi(P) crct10dif_pclmul snd_soc_core crc32_pclmul snd_compress ac97_bus snd_hda_codec_realtek ghash_clmulni_intel snd_hda_codec_generic snd_pcm_dmaengine aesni_intel aes_x86_64 cdc_ether dw_dmac_core lrw brcmfmac usbnet gf128mul glue_helper ablk_helper cryptd r8152 snd_hda_intel mii snd_hda_codec brcmutil rtsx_pci_ms snd_hda_core memstick snd_hwdep cfg80211 snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer serio_raw snd uvcvideo [ 79.623135] videobuf2_vmalloc videobuf2_memops soundcore videobuf2_v4l2 btusb videobuf2_core btrtl videodev shpchp media joydev hid_multitouch input_leds idma64 virt_dma mei_me processor_thermal_device mei intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi int3400_thermal int3403_thermal intel_lpss acpi_thermal_rel int340x_thermal_zone acpi_pad acpi_als mac_hid kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit drm_kms_helper nvme rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel fjes [ 79.623205] CPU: 1 PID: 914 Comm: Xorg Tainted: P U W 4.5.0-040500rc3-generic #201602071930 [ 79.623209] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 79.623212] 0000000000000286 000000007f99a72e ffff88046ccc39a8 ffffffff813e1133 [ 79.623219] ffff88046ccc39f0 ffffffffc027f758 ffff88046ccc39e0 ffffffff810800a2 [ 79.623224] ffff880467297000 ffff880466d49bd4 ffff880467296000 ffff8804673d0b78 [ 79.623230] Call Trace: [ 79.623239] [<ffffffff813e1133>] dump_stack+0x63/0x90 [ 79.623247] [<ffffffff810800a2>] warn_slowpath_common+0x82/0xc0 [ 79.623253] [<ffffffff8108013c>] warn_slowpath_fmt+0x5c/0x80 [ 79.623279] [<ffffffffc01b867c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 79.623303] [<ffffffffc01b8815>] skl_update_wm+0x185/0x640 [i915] [ 79.623329] [<ffffffffc01bc1ee>] intel_update_watermarks+0x1e/0x30 [i915] [ 79.623375] [<ffffffffc02227cc>] intel_atomic_commit+0x3dc/0xb30 [i915] [ 79.623409] [<ffffffffc00a7581>] ? drm_atomic_check_only+0x181/0x600 [drm] [ 79.623438] [<ffffffffc00a702d>] ? drm_atomic_set_crtc_for_connector+0x3d/0xe0 [drm] [ 79.623465] [<ffffffffc00a7a37>] drm_atomic_commit+0x37/0x60 [drm] [ 79.623480] [<ffffffffc014cb96>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 79.623509] [<ffffffffc00a67ea>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm] [ 79.623534] [<ffffffffc0096c32>] drm_mode_set_config_internal+0x62/0x100 [drm] [ 79.623560] [<ffffffffc009b500>] drm_mode_setcrtc+0x3e0/0x500 [drm] [ 79.623568] [<ffffffff816fadcb>] ? sock_recvmsg+0x3b/0x50 [ 79.623585] [<ffffffffc008c862>] drm_ioctl+0x152/0x540 [drm] [ 79.623610] [<ffffffffc009b120>] ? drm_mode_setplane+0x1b0/0x1b0 [drm][[[[[[79.623617] [<ffffffff810ee647>] ? hrtimer_start_range_ns+0x1d7/0x3d0 79.623624] [<ffffffff81229891>] do_vfs_ioctl+0xa1/0x5b0 79.623631] [<ffffffff816fc8a0>] ? __sys_recvmsg+0x80/0x90 79.623636] [<ffffffff81229e19>] SyS_ioctl+0x79/0x90 79.623643] [<ffffffff818236f6>] entry_SYSCALL_64_fastpath+0x16/0x75 79.623647] ---[ end trace 020a3f9bb4f3d543 ]---
With the newest 4.5.0-rc5: [ 177.946968] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 177.949379] ------------[ cut here ]------------ [ 177.949390] WARNING: CPU: 3 PID: 891 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3548 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 177.949391] WARN_ON(!wm_changed) [ 177.949392] Modules linked in: [ 177.949393] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi i2c_designware_platform i2c_designware_core dell_laptop dcdbas nls_iso8859_1 dell_wmi sparse_keymap dell_led intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp cdc_ether usbnet kvm_intel r8152 mii kvm snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl irqbypass snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp crct10dif_pclmul snd_hda_ext_core snd_soc_sst_match brcmfmac crc32_pclmul snd_soc_core brcmutil ghash_clmulni_intel aesni_intel rtsx_pci_ms cfg80211 snd_compress memstick ac97_bus snd_pcm_dmaengine dw_dmac_core aes_x86_64 lrw snd_hda_intel gf128mul snd_hda_codec glue_helper ablk_helper snd_hda_core cryptd snd_hwdep snd_pcm uvcvideo snd_seq_midi joydev videobuf2_vmalloc input_leds snd_seq_midi_event videobuf2_memops snd_rawmidi [ 177.949418] serio_raw videobuf2_v4l2 snd_seq videobuf2_core btusb snd_seq_device videodev snd_timer btrtl hid_multitouch snd media soundcore shpchp idma64 virt_dma mei_me mei processor_thermal_device intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel mac_hid acpi_pad acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit nvme drm_kms_helper rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes [ 177.949441] CPU: 3 PID: 891 Comm: Xorg Tainted: G U W 4.5.0-040500rc5-generic #201602201730 [ 177.949442] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 177.949443] 0000000000000286 0000000044d4a3b2 ffff88046d0db938 ffffffff813dfc93 [ 177.949445] ffff88046d0db980 ffffffffc0277818 ffff88046d0db970 ffffffff81080e72 [ 177.949446] ffff880467d65000 ffff880467009bd4 ffff880467d66000 ffff8804674263a8 [ 177.949448] Call Trace: [ 177.949451] [<ffffffff813dfc93>] dump_stack+0x63/0x90 [ 177.949454] [<ffffffff81080e72>] warn_slowpath_common+0x82/0xc0 [ 177.949456] [<ffffffff81080f0c>] warn_slowpath_fmt+0x5c/0x80 [ 177.949467] [<ffffffffc01af66c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 177.949476] [<ffffffffc01af805>] skl_update_wm+0x185/0x640 [i915] [ 177.949490] [<ffffffffc01fc3d7>] ? gen9_write32+0x247/0x360 [i915] [ 177.949504] [<ffffffffc023959f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915] [ 177.949513] [<ffffffffc01b31de>] intel_update_watermarks+0x1e/0x30 [i915] [ 177.949527] [<ffffffffc021d791>] haswell_crtc_enable+0x321/0x8c0 [i915] [ 177.949529] [<ffffffff81820832>] ? mutex_lock+0x12/0x30 [ 177.949542] [<ffffffffc021a3c2>] intel_atomic_commit+0x6e2/0xb30 [i915] [ 177.949555] [<ffffffffc00aa761>] ? drm_atomic_check_only+0x181/0x600 [drm] [ 177.949563] [<ffffffffc00aac17>] drm_atomic_commit+0x37/0x60 [drm] [ 177.949568] [<ffffffffc0132bb6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 177.949576] [<ffffffffc0099c32>] drm_mode_set_config_internal+0x62/0x100 [drm] [ 177.949584] [<ffffffffc009e5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm] [ 177.949590] [<ffffffffc008f812>] drm_ioctl+0x152/0x540 [drm] [ 177.949597] [<ffffffffc009e1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 177.949599] [<ffffffff81228761>] do_vfs_ioctl+0xa1/0x5b0 [ 177.949601] [<ffffffff8108ddc1>] ? __set_task_blocked+0x41/0xa0 [ 177.949603] [<ffffffff81090746>] ? __set_current_blocked+0x36/0x60 [ 177.949604] [<ffffffff81228ce9>] SyS_ioctl+0x79/0x90 [ 177.949606] [<ffffffff81090a0e>] ? SyS_rt_sigprocmask+0x8e/0xc0 [ 177.949608] [<ffffffff81822a36>] entry_SYSCALL_64_fastpath+0x16/0x75 [ 177.949609] ---[ end trace b91aaaeac0f561b8 ]--- [ 178.004953] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [ 178.400226] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 178.814372] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 179.228630] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 179.642816] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 180.057249] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 180.471155] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 180.885651] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 181.299435] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 181.714321] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 182.129107] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 182.543399] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 182.958257] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 183.373019] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 183.787409] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 184.202140] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 184.616776] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 185.031078] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 185.445348] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 185.859311] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 186.273521] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 186.687283] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 187.101638] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 187.515120] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 187.929252] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 188.342939] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 188.757221] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 189.171222] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 189.585216] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 189.999087] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 190.413112] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 190.827263] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 191.241477] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 191.655217] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 192.069225] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 192.483213] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 192.897297] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 193.311231] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 193.543437] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to get link status [ 194.981110] ------------[ cut here ]------------ [ 194.981130] WARNING: CPU: 2 PID: 891 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3548 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 194.981131] WARN_ON(!wm_changed) [ 194.981132] Modules linked in: [ 194.981134] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi i2c_designware_platform i2c_designware_core dell_laptop dcdbas nls_iso8859_1 dell_wmi sparse_keymap dell_led intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp cdc_ether usbnet kvm_intel r8152 mii kvm snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl irqbypass snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp crct10dif_pclmul snd_hda_ext_core snd_soc_sst_match brcmfmac crc32_pclmul snd_soc_core brcmutil ghash_clmulni_intel aesni_intel rtsx_pci_ms cfg80211 snd_compress memstick ac97_bus snd_pcm_dmaengine dw_dmac_core aes_x86_64 lrw snd_hda_intel gf128mul snd_hda_codec glue_helper ablk_helper snd_hda_core cryptd snd_hwdep snd_pcm uvcvideo snd_seq_midi joydev videobuf2_vmalloc input_leds snd_seq_midi_event videobuf2_memops snd_rawmidi [ 194.981160] serio_raw videobuf2_v4l2 snd_seq videobuf2_core btusb snd_seq_device videodev snd_timer btrtl hid_multitouch snd media soundcore shpchp idma64 virt_dma mei_me mei processor_thermal_device intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel mac_hid acpi_pad acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit nvme drm_kms_helper rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes [ 194.981185] CPU: 2 PID: 891 Comm: Xorg Tainted: G U W 4.5.0-040500rc5-generic #201602201730 [ 194.981186] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 194.981187] 0000000000000286 0000000044d4a3b2 ffff88046d0db9a8 ffffffff813dfc93 [ 194.981189] ffff88046d0db9f0 ffffffffc0277818 ffff88046d0db9e0 ffffffff81080e72 [ 194.981191] ffff880467d65000 ffff880467009bd4 ffff880467d66000 ffff8804674263a8 [ 194.981192] Call Trace: [ 194.981197] [<ffffffff813dfc93>] dump_stack+0x63/0x90 [ 194.981200] [<ffffffff81080e72>] warn_slowpath_common+0x82/0xc0 [ 194.981202] [<ffffffff81080f0c>] warn_slowpath_fmt+0x5c/0x80 [ 194.981214] [<ffffffffc01af66c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 194.981224] [<ffffffffc01af805>] skl_update_wm+0x185/0x640 [i915] [ 194.981234] [<ffffffffc01b31de>] intel_update_watermarks+0x1e/0x30 [i915] [ 194.981250] [<ffffffffc021a0bc>] intel_atomic_commit+0x3dc/0xb30 [i915] [ 194.981264] [<ffffffffc00aa761>] ? drm_atomic_check_only+0x181/0x600 [drm] [ 194.981274] [<ffffffffc00a9f7f>] ? drm_atomic_set_crtc_for_connector+0x2f/0xe0 [drm] [ 194.981282] [<ffffffffc00aac17>] drm_atomic_commit+0x37/0x60 [drm] [ 194.981288] [<ffffffffc0132bb6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 194.981297] [<ffffffffc00a989a>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm] [ 194.981305] [<ffffffffc0099c32>] drm_mode_set_config_internal+0x62/0x100 [drm] [ 194.981314] [<ffffffffc009e5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm] [ 194.981317] [<ffffffff816fa41b>] ? sock_recvmsg+0x3b/0x50 [ 194.981323] [<ffffffffc008f812>] drm_ioctl+0x152/0x540 [drm] [ 194.981331] [<ffffffffc009e1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 194.981333] [<ffffffff810efea2>] ? hrtimer_start_range_ns+0x1d2/0x3d0 [ 194.981335] [<ffffffff81228761>] do_vfs_ioctl+0xa1/0x5b0 [ 194.981337] [<ffffffff816fbef0>] ? __sys_recvmsg+0x80/0x90 [ 194.981339] [<ffffffff81228ce9>] SyS_ioctl+0x79/0x90 [ 194.981341] [<ffffffff81822a36>] entry_SYSCALL_64_fastpath+0x16/0x75 [ 194.981343] ---[ end trace b91aaaeac0f561b9 ]--- [ 212.441553] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 212.443985] ------------[ cut here ]------------ [ 212.444004] WARNING: CPU: 2 PID: 891 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3548 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 212.444007] WARN_ON(!wm_changed) [ 212.444008] Modules linked in: [ 212.444010] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi i2c_designware_platform i2c_designware_core dell_laptop dcdbas nls_iso8859_1 dell_wmi sparse_keymap dell_led intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp cdc_ether usbnet kvm_intel r8152 mii kvm snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl irqbypass snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp crct10dif_pclmul snd_hda_ext_core snd_soc_sst_match brcmfmac crc32_pclmul snd_soc_core brcmutil ghash_clmulni_intel aesni_intel rtsx_pci_ms cfg80211 snd_compress memstick ac97_bus snd_pcm_dmaengine dw_dmac_core aes_x86_64 lrw snd_hda_intel gf128mul snd_hda_codec glue_helper ablk_helper snd_hda_core cryptd snd_hwdep snd_pcm uvcvideo snd_seq_midi joydev videobuf2_vmalloc input_leds snd_seq_midi_event videobuf2_memops snd_rawmidi [ 212.444040] serio_raw videobuf2_v4l2 snd_seq videobuf2_core btusb snd_seq_device videodev snd_timer btrtl hid_multitouch snd media soundcore shpchp idma64 virt_dma mei_me mei processor_thermal_device intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel mac_hid acpi_pad acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit nvme drm_kms_helper rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes [ 212.444068] CPU: 2 PID: 891 Comm: Xorg Tainted: G U W 4.5.0-040500rc5-generic #201602201730 [ 212.444069] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 212.444070] 0000000000000286 0000000044d4a3b2 ffff88046d0db938 ffffffff813dfc93 [ 212.444072] ffff88046d0db980 ffffffffc0277818 ffff88046d0db970 ffffffff81080e72 [ 212.444074] ffff880467d65000 ffff880467009bd4 ffff880467d66000 ffff8804674263a8 [ 212.444075] Call Trace: [ 212.444079] [<ffffffff813dfc93>] dump_stack+0x63/0x90 [ 212.444082] [<ffffffff81080e72>] warn_slowpath_common+0x82/0xc0 [ 212.444084] [<ffffffff81080f0c>] warn_slowpath_fmt+0x5c/0x80 [ 212.444095] [<ffffffffc01af66c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 212.444106] [<ffffffffc01af805>] skl_update_wm+0x185/0x640 [i915] [ 212.444119] [<ffffffffc01fc3d7>] ? gen9_write32+0x247/0x360 [i915] [ 212.444135] [<ffffffffc023959f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915] [ 212.444144] [<ffffffffc01b31de>] intel_update_watermarks+0x1e/0x30 [i915] [ 212.444158] [<ffffffffc021d791>] haswell_crtc_enable+0x321/0x8c0 [i915] [ 212.444161] [<ffffffff81820832>] ? mutex_lock+0x12/0x30 [ 212.444174] [<ffffffffc021a3c2>] intel_atomic_commit+0x6e2/0xb30 [i915] [ 212.444187] [<ffffffffc00aa761>] ? drm_atomic_check_only+0x181/0x600 [drm] [ 212.444196] [<ffffffffc00aac17>] drm_atomic_commit+0x37/0x60 [drm] [ 212.444202] [<ffffffffc0132bb6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 212.444210] [<ffffffffc0099c32>] drm_mode_set_config_internal+0x62/0x100 [drm] [ 212.444218] [<ffffffffc009e5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm] [ 212.444226] [<ffffffffc008f812>] drm_ioctl+0x152/0x540 [drm] [ 212.444233] [<ffffffffc009e1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 212.444236] [<ffffffff81228761>] do_vfs_ioctl+0xa1/0x5b0 [ 212.444238] [<ffffffff8108ddc1>] ? __set_task_blocked+0x41/0xa0 [ 212.444240] [<ffffffff81090746>] ? __set_current_blocked+0x36/0x60 [ 212.444241] [<ffffffff81228ce9>] SyS_ioctl+0x79/0x90 [ 212.444243] [<ffffffff81090a0e>] ? SyS_rt_sigprocmask+0x8e/0xc0 [ 212.444245] [<ffffffff81822a36>] entry_SYSCALL_64_fastpath+0x16/0x75 [ 212.444246] ---[ end trace b91aaaeac0f561ba ]--- [ 212.895751] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 213.309982] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 213.723988] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 214.138146] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 214.551998] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 214.967918] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 215.382077] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 215.796460] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 216.211195] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 216.625402] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 217.039534] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 217.453903] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 217.868134] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 218.282140] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 218.696332] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 219.110533] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 219.524141] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 219.938525] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 220.352172] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 220.766448] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 221.180033] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 221.594132] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 222.008261] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 222.422423] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 222.836382] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 223.250566] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 223.664422] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 224.078625] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 224.492484] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 224.906678] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 225.320712] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 225.735021] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 226.148552] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 226.562908] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 226.976876] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 227.391262] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 227.804905] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 228.219048] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 228.632780] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 229.047422] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 229.461046] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 229.875417] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 230.288806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 230.703052] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 231.116907] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 231.531307] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to train DP, aborting [ 231.808824] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* failed to get link status [ 231.880839] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to get link status [ 233.127257] ------------[ cut here ]------------ [ 233.127283] WARNING: CPU: 1 PID: 891 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3548 skl_update_other_pipe_wm+0x16c/0x180 [i915]() [ 233.127285] WARN_ON(!wm_changed) [ 233.127286] Modules linked in: [ 233.127288] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi i2c_designware_platform i2c_designware_core dell_laptop dcdbas nls_iso8859_1 dell_wmi sparse_keymap dell_led intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp cdc_ether usbnet kvm_intel r8152 mii kvm snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl irqbypass snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp crct10dif_pclmul snd_hda_ext_core snd_soc_sst_match brcmfmac crc32_pclmul snd_soc_core brcmutil ghash_clmulni_intel aesni_intel rtsx_pci_ms cfg80211 snd_compress memstick ac97_bus snd_pcm_dmaengine dw_dmac_core aes_x86_64 lrw snd_hda_intel gf128mul snd_hda_codec glue_helper ablk_helper snd_hda_core cryptd snd_hwdep snd_pcm uvcvideo snd_seq_midi joydev videobuf2_vmalloc input_leds snd_seq_midi_event videobuf2_memops snd_rawmidi [ 233.127323] serio_raw videobuf2_v4l2 snd_seq videobuf2_core btusb snd_seq_device videodev snd_timer btrtl hid_multitouch snd media soundcore shpchp idma64 virt_dma mei_me mei processor_thermal_device intel_lpss_pci intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel mac_hid acpi_pad acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit nvme drm_kms_helper rtsx_pci syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes [ 233.127358] CPU: 1 PID: 891 Comm: Xorg Tainted: G U W 4.5.0-040500rc5-generic #201602201730 [ 233.127360] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016 [ 233.127362] 0000000000000286 0000000044d4a3b2 ffff88046d0db9a8 ffffffff813dfc93 [ 233.127365] ffff88046d0db9f0 ffffffffc0277818 ffff88046d0db9e0 ffffffff81080e72 [ 233.127367] ffff880467d65000 ffff880467009bd4 ffff880467d66000 ffff8804674263a8 [ 233.127369] Call Trace: [ 233.127374] [<ffffffff813dfc93>] dump_stack+0x63/0x90 [ 233.127379] [<ffffffff81080e72>] warn_slowpath_common+0x82/0xc0 [ 233.127381] [<ffffffff81080f0c>] warn_slowpath_fmt+0x5c/0x80 [ 233.127399] [<ffffffffc01af66c>] skl_update_other_pipe_wm+0x16c/0x180 [i915] [ 233.127415] [<ffffffffc01af805>] skl_update_wm+0x185/0x640 [i915] [ 233.127431] [<ffffffffc01b31de>] intel_update_watermarks+0x1e/0x30 [i915] [ 233.127454] [<ffffffffc021a0bc>] intel_atomic_commit+0x3dc/0xb30 [i915] [ 233.127474] [<ffffffffc00aa761>] ? drm_atomic_check_only+0x181/0x600 [drm] [ 233.127488] [<ffffffffc00a9f7f>] ? drm_atomic_set_crtc_for_connector+0x2f/0xe0 [drm] [ 233.127502] [<ffffffffc00aac17>] drm_atomic_commit+0x37/0x60 [drm] [ 233.127510] [<ffffffffc0132bb6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 233.127524] [<ffffffffc00a989a>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm] [ 233.127540] [<ffffffffc0099c32>] drm_mode_set_config_internal+0x62/0x100 [drm] [ 233.127555] [<ffffffffc009e5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm] [ 233.127559] [<ffffffff816fa41b>] ? sock_recvmsg+0x3b/0x50 [ 233.127569] [<ffffffffc008f812>] drm_ioctl+0x152/0x540 [drm] [ 233.127581] [<ffffffffc009e1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 233.127585] [<ffffffff810efea2>] ? hrtimer_start_range_ns+0x1d2/0x3d0 [ 233.127588] [<ffffffff81228761>] do_vfs_ioctl+0xa1/0x5b0 [ 233.127591] [<ffffffff816fbef0>] ? __sys_recvmsg+0x80/0x90 [ 233.127593] [<ffffffff81228ce9>] SyS_ioctl+0x79/0x90 [ 233.127597] [<ffffffff81822a36>] entry_SYSCALL_64_fastpath+0x16/0x75 [ 233.127599] ---[ end trace b91aaaeac0f561bb ]---
maximum of 1440x900 possible via HDMI, all other (higher) don't work, except of 1920x1080i (interlaced) also crashing on some lower not 16:9 resolutions (4:3, 16:10)
Please file new drm/i915 bugs at the freedesktop.org bugzilla: https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
Gladly, but can not login there (already have an account) and the password reset does not work. You can just copy the details I posted already.
Have been added here weeks ago, but developers don't seem to be interested: https://bugs.freedesktop.org/show_bug.cgi?id=94567