我发现一个奇怪的情况，我的新戴尔 Inspiron 笔记本电脑运行 Ubuntu 16.04 时意外挂起，我似乎无法弄清楚原因。我没有观察到导致它的任何一致行为。发生的事情是窗口系统（使用 Gnome）冻结，没有鼠标动作，键盘没有响应，无法进入 shell 等......所以我别无选择，只能进行硬关机循环以使其恢复。
到目前为止，我观察到的唯一一致性是，这似乎总是在屏幕锁定时发生，并且我移动鼠标，或者在解锁屏幕后不久（<30 秒）。
当我查看系统日志以查找可能的问题时，有时我会看到警告，但这些警告也会在机器未锁定时出现。请参阅下面的系统日志中最近一次发生这种情况之前的部分。但是，这部分日志是在我实际解锁屏幕并遇到挂起行为之前。在实际出现问题时，日志中没有任何内容。
我是一名经验丰富的系统管理员，但刚刚开始在笔记本电脑上运行 Ubuntu，这个问题让我很沮丧，无法找出问题所在。
我希望有人能帮助我找出问题所在。
May 25 11:40:22 femur kernel: [95510.664099] ------------[ cut here ]------------
May 25 11:40:22 femur kernel: [95510.664187] WARNING: CPU: 0 PID: 1468 at /build/linux-FvcHlK/linux-4.4.0/ubuntu/i915/intel_pm.c:3572 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
May 25 11:40:22 femur kernel: [95510.664193] WARN_ON(!wm_changed)
May 25 11:40:22 femur kernel: [95510.664198] Modules linked in: drbg ansi_cprng ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 rfcomm iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs bnep arc4 iwlmvm mac80211 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core intel_rapl snd_soc_sst_ipc snd_soc_sst_dsp btusb hid_sensor_rotation x86_pkg_temp_thermal snd_soc_core btrtl iwlwifi intel_powerclamp kvm_intel snd_hda_codec_hdmi snd_compress hid_sensor_magn_3d hid_sensor_incl_3d hid_sensor_gyro_3d ac97_bus snd_hda_codec_conexant snd_pcm_dmaengine hid_sensor_accel_3d snd_hda_codec_generic hid_sensor_als dw_dmac_core hid_sensor_trigger industrialio_triggered_buffer hid_sensor_iio_common joydev snd_hda_intel snd_hda_codec cfg80211 kvm snd_hda_core hid_multitouch snd_hwdep i2c_designware_platform i2c_designware_core snd_pcm dell_wmi sparse_keymap snd_seq_midi dell_laptop irqbypass snd_seq_midi_event dcdbas snd_rawmidi crct10dif_pclmul dell_smm_hwmon snd_seq crc32_pclmul snd_seq_device snd_timer aesni_intel hci_uart aes_x86_64 snd lrw gf128mul glue_helper ablk_helper btbcm cryptd btqca idma64 btintel mei_me soundcore virt_dma processor_thermal_device bluetooth mei intel_soc_dts_iosf shpchp intel_lpss_pci input_leds serio_raw soc_button_array acpi_als dell_smo8800 intel_lpss_acpi int3403_thermal int3402_thermal intel_lpss int340x_thermal_zone kfifo_buf int3400_thermal acpi_thermal_rel industrialio tpm_crb acpi_pad mac_hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media coretemp parport_pc ppdev lp parport autofs4 hid_sensor_custom hid_sensor_hub hid_generic usbhid i915_bpo intel_ips i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci i2c_hid wmi hid pinctrl_sunrisepoint video pinctrl_intel fjes
May 25 11:40:22 femur kernel: [95510.664475] CPU: 0 PID: 1468 Comm: Xorg Tainted: G W 4.4.0-22-generic #40-Ubuntu
May 25 11:40:22 femur kernel: [95510.664481] Hardware name: Dell Inc. Inspiron 13-7359/03DMWJ, BIOS 01.00.00 08/07/2015
May 25 11:40:22 femur kernel: [95510.664487] 0000000000000286 00000000c5fb32c1 ffff8802625d7938 ffffffff813e9c53
May 25 11:40:22 femur kernel: [95510.664497] ffff8802625d7980 ffffffffc0261c70 ffff8802625d7970 ffffffff81080fb2
May 25 11:40:22 femur kernel: [95510.664505] ffff8802686a3000 ffff880262a89d9c ffff8802686a4000 ffff8802630a6378
May 25 11:40:22 femur kernel: [95510.664515] Call Trace:
May 25 11:40:22 femur kernel: [95510.664553] [<ffffffff813e9c53>] dump_stack+0x63/0x90
May 25 11:40:22 femur kernel: [95510.664566] [<ffffffff81080fb2>] warn_slowpath_common+0x82/0xc0
May 25 11:40:22 femur kernel: [95510.664575] [<ffffffff8108104c>] warn_slowpath_fmt+0x5c/0x80
May 25 11:40:22 femur kernel: [95510.664641] [<ffffffffc01935cc>] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.664702] [<ffffffffc0193766>] skl_update_wm+0x186/0x5f0 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.664794] [<ffffffffc021f36f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.664856] [<ffffffffc019748e>] intel_update_watermarks+0x1e/0x30 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.664942] [<ffffffffc0203401>] haswell_crtc_enable+0x321/0x8c0 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.665027] [<ffffffffc01ffdad>] intel_atomic_commit+0x5dd/0xdb0 [i915_bpo]
May 25 11:40:22 femur kernel: [95510.665095] [<ffffffffc00a080e>] ? drm_atomic_check_only+0x18e/0x590 [drm]
May 25 11:40:22 femur kernel: [95510.665149] [<ffffffffc00a0c47>] drm_atomic_commit+0x37/0x60 [drm]
May 25 11:40:22 femur kernel: [95510.665178] [<ffffffffc014b9f6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper]
May 25 11:40:22 femur kernel: [95510.665230] [<ffffffffc008fe02>] drm_mode_set_config_internal+0x62/0x100 [drm]
May 25 11:40:22 femur kernel: [95510.665283] [<ffffffffc0094322>] drm_mode_setcrtc+0x3d2/0x4f0 [drm]
May 25 11:40:22 femur kernel: [95510.665329] [<ffffffffc0085712>] drm_ioctl+0x152/0x540 [drm]
May 25 11:40:22 femur kernel: [95510.665393] [<ffffffffc0093f50>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
May 25 11:40:22 femur kernel: [95510.665410] [<ffffffff8122026f>] do_vfs_ioctl+0x29f/0x490
May 25 11:40:22 femur kernel: [95510.665429] [<ffffffff8108e0e1>] ? __set_task_blocked+0x41/0xa0
May 25 11:40:22 femur kernel: [95510.665444] [<ffffffff81090a76>] ? __set_current_blocked+0x36/0x60
May 25 11:40:22 femur kernel: [95510.665456] [<ffffffff812204d9>] SyS_ioctl+0x79/0x90
May 25 11:40:22 femur kernel: [95510.665468] [<ffffffff81090d2e>] ? SyS_rt_sigprocmask+0x8e/0xc0
May 25 11:40:22 femur kernel: [95510.665487] [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71
May 25 11:40:22 femur kernel: [95510.665497] ---[ end trace ac8303024c336b3e ]---
May 25 11:40:46 femur kernel: [95534.792204] ------------[ cut here ]------------
May 25 11:40:46 femur kernel: [95534.792284] WARNING: CPU: 0 PID: 1468 at /build/linux-FvcHlK/linux-4.4.0/ubuntu/i915/intel_pm.c:3572 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
May 25 11:40:46 femur kernel: [95534.792289] WARN_ON(!wm_changed)
May 25 11:40:46 femur kernel: [95534.792294] Modules linked in: drbg ansi_cprng ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 rfcomm iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs bnep arc4 iwlmvm mac80211 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core intel_rapl snd_soc_sst_ipc snd_soc_sst_dsp btusb hid_sensor_rotation x86_pkg_temp_thermal snd_soc_core btrtl iwlwifi intel_powerclamp kvm_intel snd_hda_codec_hdmi snd_compress hid_sensor_magn_3d hid_sensor_incl_3d hid_sensor_gyro_3d ac97_bus snd_hda_codec_conexant snd_pcm_dmaengine hid_sensor_accel_3d snd_hda_codec_generic hid_sensor_als dw_dmac_core hid_sensor_trigger industrialio_triggered_buffer hid_sensor_iio_common joydev snd_hda_intel snd_hda_codec cfg80211 kvm snd_hda_core hid_multitouch snd_hwdep i2c_designware_platform i2c_designware_core snd_pcm dell_wmi sparse_keymap snd_seq_midi dell_laptop irqbypass snd_seq_midi_event dcdbas snd_rawmidi crct10dif_pclmul dell_smm_hwmon snd_seq crc32_pclmul snd_seq_device snd_timer aesni_intel hci_uart aes_x86_64 snd lrw gf128mul glue_helper ablk_helper btbcm cryptd btqca idma64 btintel mei_me soundcore virt_dma processor_thermal_device bluetooth mei intel_soc_dts_iosf shpchp intel_lpss_pci input_leds serio_raw soc_button_array acpi_als dell_smo8800 intel_lpss_acpi int3403_thermal int3402_thermal intel_lpss int340x_thermal_zone kfifo_buf int3400_thermal acpi_thermal_rel industrialio tpm_crb acpi_pad mac_hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media coretemp parport_pc ppdev lp parport autofs4 hid_sensor_custom hid_sensor_hub hid_generic usbhid i915_bpo intel_ips i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci i2c_hid wmi hid pinctrl_sunrisepoint video pinctrl_intel fjes
May 25 11:40:46 femur kernel: [95534.792626] CPU: 0 PID: 1468 Comm: Xorg Tainted: G W 4.4.0-22-generic #40-Ubuntu
May 25 11:40:46 femur kernel: [95534.792634] Hardware name: Dell Inc. Inspiron 13-7359/03DMWJ, BIOS 01.00.00 08/07/2015
May 25 11:40:46 femur kernel: [95534.792641] 0000000000000286 00000000c5fb32c1 ffff8802625d79d0 ffffffff813e9c53
May 25 11:40:46 femur kernel: [95534.792654] ffff8802625d7a18 ffffffffc0261c70 ffff8802625d7a08 ffffffff81080fb2
May 25 11:40:46 femur kernel: [95534.792666] ffff8802686a4000 ffff880262a89d9c ffff8802686a3000 ffff8802630a6378
May 25 11:40:46 femur kernel: [95534.792677] Call Trace:
May 25 11:40:46 femur kernel: [95534.792698] [<ffffffff813e9c53>] dump_stack+0x63/0x90
May 25 11:40:46 femur kernel: [95534.792731] [<ffffffff81080fb2>] warn_slowpath_common+0x82/0xc0
May 25 11:40:46 femur kernel: [95534.792744] [<ffffffff8108104c>] warn_slowpath_fmt+0x5c/0x80
May 25 11:40:46 femur kernel: [95534.792830] [<ffffffffc01935cc>] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
May 25 11:40:46 femur kernel: [95534.792914] [<ffffffffc0193766>] skl_update_wm+0x186/0x5f0 [i915_bpo]
May 25 11:40:46 femur kernel: [95534.792998] [<ffffffffc019748e>] intel_update_watermarks+0x1e/0x30 [i915_bpo]
May 25 11:40:46 femur kernel: [95534.793121] [<ffffffffc01ffc36>] intel_atomic_commit+0x466/0xdb0 [i915_bpo]
May 25 11:40:46 femur kernel: [95534.793207] [<ffffffffc00a080e>] ? drm_atomic_check_only+0x18e/0x590 [drm]
May 25 11:40:46 femur kernel: [95534.793275] [<ffffffffc00a0c47>] drm_atomic_commit+0x37/0x60 [drm]
May 25 11:40:46 femur kernel: [95534.793313] [<ffffffffc014a14d>] drm_atomic_helper_connector_dpms+0xed/0x1a0 [drm_kms_helper]
May 25 11:40:46 femur kernel: [95534.793389] [<ffffffffc009527c>] drm_mode_obj_set_property_ioctl+0x25c/0x270 [drm]
May 25 11:40:46 femur kernel: [95534.793453] [<ffffffffc00952cf>] drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
May 25 11:40:46 femur kernel: [95534.793505] [<ffffffffc0085712>] drm_ioctl+0x152/0x540 [drm]
May 25 11:40:46 femur kernel: [95534.793564] [<ffffffffc0095290>] ? drm_mode_obj_set_property_ioctl+0x270/0x270 [drm]
May 25 11:40:46 femur kernel: [95534.793579] [<ffffffff812239bf>] ? dput+0x2f/0x220
May 25 11:40:46 femur kernel: [95534.793591] [<ffffffff8122d1e4>] ? mntput+0x24/0x40
May 25 11:40:46 femur kernel: [95534.793602] [<ffffffff8122026f>] do_vfs_ioctl+0x29f/0x490
May 25 11:40:46 femur kernel: [95534.793617] [<ffffffff8120e7fe>] ? ____fput+0xe/0x10
May 25 11:40:46 femur kernel: [95534.793632] [<ffffffff8109e9a8>] ? task_work_run+0x78/0x90
May 25 11:40:46 femur kernel: [95534.793641] [<ffffffff812204d9>] SyS_ioctl+0x79/0x90
May 25 11:40:46 femur kernel: [95534.793659] [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71
May 25 11:40:46 femur kernel: [95534.793668] ---[ end trace ac8303024c336b3f ]---
May 25 11:41:26 femur kernel: [95573.929604] ------------[ cut here ]------------
May 25 11:41:26 femur kernel: [95573.929680] WARNING: CPU: 0 PID: 1468 at /build/linux-FvcHlK/linux-4.4.0/ubuntu/i915/intel_pm.c:3572 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
May 25 11:41:26 femur kernel: [95573.929685] WARN_ON(!wm_changed)
May 25 11:41:26 femur kernel: [95573.929690] Modules linked in: drbg ansi_cprng ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 rfcomm iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs bnep arc4 iwlmvm mac80211 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core intel_rapl snd_soc_sst_ipc snd_soc_sst_dsp btusb hid_sensor_rotation x86_pkg_temp_thermal snd_soc_core btrtl iwlwifi intel_powerclamp kvm_intel snd_hda_codec_hdmi snd_compress hid_sensor_magn_3d hid_sensor_incl_3d hid_sensor_gyro_3d ac97_bus snd_hda_codec_conexant snd_pcm_dmaengine hid_sensor_accel_3d snd_hda_codec_generic hid_sensor_als dw_dmac_core hid_sensor_trigger industrialio_triggered_buffer hid_sensor_iio_common joydev snd_hda_intel snd_hda_codec cfg80211 kvm snd_hda_core hid_multitouch snd_hwdep i2c_designware_platform i2c_designware_core snd_pcm dell_wmi sparse_keymap snd_seq_midi dell_laptop irqbypass snd_seq_midi_event dcdbas snd_rawmidi crct10dif_pclmul dell_smm_hwmon snd_seq crc32_pclmul snd_seq_device snd_timer aesni_intel hci_uart aes_x86_64 snd lrw gf128mul glue_helper ablk_helper btbcm cryptd btqca idma64 btintel mei_me soundcore virt_dma processor_thermal_device bluetooth mei intel_soc_dts_iosf shpchp intel_lpss_pci input_leds serio_raw soc_button_array acpi_als dell_smo8800 intel_lpss_acpi int3403_thermal int3402_thermal intel_lpss int340x_thermal_zone kfifo_buf int3400_thermal acpi_thermal_rel industrialio tpm_crb acpi_pad mac_hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media coretemp parport_pc ppdev lp parport autofs4 hid_sensor_custom hid_sensor_hub hid_generic usbhid i915_bpo intel_ips i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci i2c_hid wmi hid pinctrl_sunrisepoint video pinctrl_intel fjes
May 25 11:41:26 femur kernel: [95573.929967] CPU: 0 PID: 1468 Comm: Xorg Tainted: G W 4.4.0-22-generic #40-Ubuntu
May 25 11:41:26 femur kernel: [95573.929972] Hardware name: Dell Inc. Inspiron 13-7359/03DMWJ, BIOS 01.00.00 08/07/2015
May 25 11:41:26 femur kernel: [95573.929977] 0000000000000286 00000000c5fb32c1 ffff8802625d7938 ffffffff813e9c53
May 25 11:41:26 femur kernel: [95573.929988] ffff8802625d7980 ffffffffc0261c70 ffff8802625d7970 ffffffff81080fb2
May 25 11:41:26 femur kernel: [95573.929996] ffff8802686a3000 ffff880262a89d9c ffff8802686a4000 ffff8802630a6378
May 25 11:41:26 femur kernel: [95573.930006] Call Trace:
May 25 11:41:26 femur kernel: [95573.930057] [<ffffffff813e9c53>] dump_stack+0x63/0x90
May 25 11:41:26 femur kernel: [95573.930069] [<ffffffff81080fb2>] warn_slowpath_common+0x82/0xc0
May 25 11:41:26 femur kernel: [95573.930079] [<ffffffff8108104c>] warn_slowpath_fmt+0x5c/0x80
May 25 11:41:26 femur kernel: [95573.930137] [<ffffffffc01935cc>] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930194] [<ffffffffc0193766>] skl_update_wm+0x186/0x5f0 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930283] [<ffffffffc021f36f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930339] [<ffffffffc019748e>] intel_update_watermarks+0x1e/0x30 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930422] [<ffffffffc0203401>] haswell_crtc_enable+0x321/0x8c0 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930504] [<ffffffffc01ffdad>] intel_atomic_commit+0x5dd/0xdb0 [i915_bpo]
May 25 11:41:26 femur kernel: [95573.930568] [<ffffffffc00a080e>] ? drm_atomic_check_only+0x18e/0x590 [drm]
May 25 11:41:26 femur kernel: [95573.930621] [<ffffffffc00a0c47>] drm_atomic_commit+0x37/0x60 [drm]
May 25 11:41:26 femur kernel: [95573.930650] [<ffffffffc014b9f6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper]
May 25 11:41:26 femur kernel: [95573.930698] [<ffffffffc008fe02>] drm_mode_set_config_internal+0x62/0x100 [drm]
May 25 11:41:26 femur kernel: [95573.930747] [<ffffffffc0094322>] drm_mode_setcrtc+0x3d2/0x4f0 [drm]
May 25 11:41:26 femur kernel: [95573.930783] [<ffffffffc0085712>] drm_ioctl+0x152/0x540 [drm]
May 25 11:41:26 femur kernel: [95573.930826] [<ffffffffc0093f50>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
May 25 11:41:26 femur kernel: [95573.930837] [<ffffffff8122026f>] do_vfs_ioctl+0x29f/0x490
May 25 11:41:26 femur kernel: [95573.930848] [<ffffffff8108e0e1>] ? __set_task_blocked+0x41/0xa0
May 25 11:41:26 femur kernel: [95573.930858] [<ffffffff81090a76>] ? __set_current_blocked+0x36/0x60
May 25 11:41:26 femur kernel: [95573.930866] [<ffffffff812204d9>] SyS_ioctl+0x79/0x90
May 25 11:41:26 femur kernel: [95573.930875] [<ffffffff81090d2e>] ? SyS_rt_sigprocmask+0x8e/0xc0
May 25 11:41:26 femur kernel: [95573.930889] [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71
May 25 11:41:26 femur kernel: [95573.930905] ---[ end trace ac8303024c336b40 ]---
May 25 11:41:51 femur kernel: [95599.795148] ------------[ cut here ]------------
May 25 11:41:51 femur kernel: [95599.795263] WARNING: CPU: 0 PID: 1468 at /build/linux-FvcHlK/linux-4.4.0/ubuntu/i915/intel_pm.c:3572 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
May 25 11:41:51 femur kernel: [95599.795269] WARN_ON(!wm_changed)
May 25 11:41:51 femur kernel: [95599.795274] Modules linked in: drbg ansi_cprng ctr ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 rfcomm iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs bnep arc4 iwlmvm mac80211 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core intel_rapl snd_soc_sst_ipc snd_soc_sst_dsp btusb hid_sensor_rotation x86_pkg_temp_thermal snd_soc_core btrtl iwlwifi intel_powerclamp kvm_intel snd_hda_codec_hdmi snd_compress hid_sensor_magn_3d hid_sensor_incl_3d hid_sensor_gyro_3d ac97_bus snd_hda_codec_conexant snd_pcm_dmaengine hid_sensor_accel_3d snd_hda_codec_generic hid_sensor_als dw_dmac_core hid_sensor_trigger industrialio_triggered_buffer hid_sensor_iio_common joydev snd_hda_intel snd_hda_codec cfg80211 kvm snd_hda_core hid_multitouch snd_hwdep i2c_designware_platform i2c_designware_core snd_pcm dell_wmi sparse_keymap snd_seq_midi dell_laptop irqbypass snd_seq_midi_event dcdbas snd_rawmidi crct10dif_pclmul dell_smm_hwmon snd_seq crc32_pclmul snd_seq_device snd_timer aesni_intel hci_uart aes_x86_64 snd lrw gf128mul glue_helper ablk_helper btbcm cryptd btqca idma64 btintel mei_me soundcore virt_dma processor_thermal_device bluetooth mei intel_soc_dts_iosf shpchp intel_lpss_pci input_leds serio_raw soc_button_array acpi_als dell_smo8800 intel_lpss_acpi int3403_thermal int3402_thermal intel_lpss int340x_thermal_zone kfifo_buf int3400_thermal acpi_thermal_rel industrialio tpm_crb acpi_pad mac_hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media coretemp parport_pc ppdev lp parport autofs4 hid_sensor_custom hid_sensor_hub hid_generic usbhid i915_bpo intel_ips i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci i2c_hid wmi hid pinctrl_sunrisepoint video pinctrl_intel fjes
May 25 11:41:51 femur kernel: [95599.795552] CPU: 0 PID: 1468 Comm: Xorg Tainted: G W 4.4.0-22-generic #40-Ubuntu
May 25 11:41:51 femur kernel: [95599.795557] Hardware name: Dell Inc. Inspiron 13-7359/03DMWJ, BIOS 01.00.00 08/07/2015
May 25 11:41:51 femur kernel: [95599.795563] 0000000000000286 00000000c5fb32c1 ffff8802625d79d0 ffffffff813e9c53
May 25 11:41:51 femur kernel: [95599.795573] ffff8802625d7a18 ffffffffc0261c70 ffff8802625d7a08 ffffffff81080fb2
May 25 11:41:51 femur kernel: [95599.795582] ffff8802686a4000 ffff880262a89d9c ffff8802686a3000 ffff8802630a6378
May 25 11:41:51 femur kernel: [95599.795590] Call Trace:
May 25 11:41:51 femur kernel: [95599.795608] [<ffffffff813e9c53>] dump_stack+0x63/0x90
May 25 11:41:51 femur kernel: [95599.795621] [<ffffffff81080fb2>] warn_slowpath_common+0x82/0xc0
May 25 11:41:51 femur kernel: [95599.795630] [<ffffffff8108104c>] warn_slowpath_fmt+0x5c/0x80
May 25 11:41:51 femur kernel: [95599.795696] [<ffffffffc01935cc>] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
May 25 11:41:51 femur kernel: [95599.795758] [<ffffffffc0193766>] skl_update_wm+0x186/0x5f0 [i915_bpo]
May 25 11:41:51 femur kernel: [95599.795818] [<ffffffffc019748e>] intel_update_watermarks+0x1e/0x30 [i915_bpo]
May 25 11:41:51 femur kernel: [95599.795907] [<ffffffffc01ffc36>] intel_atomic_commit+0x466/0xdb0 [i915_bpo]
May 25 11:41:51 femur kernel: [95599.795976] [<ffffffffc00a080e>] ? drm_atomic_check_only+0x18e/0x590 [drm]
May 25 11:41:51 femur kernel: [95599.796031] [<ffffffffc00a0c47>] drm_atomic_commit+0x37/0x60 [drm]
May 25 11:41:51 femur kernel: [95599.796062] [<ffffffffc014a14d>] drm_atomic_helper_connector_dpms+0xed/0x1a0 [drm_kms_helper]
May 25 11:41:51 femur kernel: [95599.796118] [<ffffffffc009527c>] drm_mode_obj_set_property_ioctl+0x25c/0x270 [drm]
May 25 11:41:51 femur kernel: [95599.796165] [<ffffffffc00952cf>] drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
May 25 11:41:51 femur kernel: [95599.796203] [<ffffffffc0085712>] drm_ioctl+0x152/0x540 [drm]
May 25 11:41:51 femur kernel: [95599.796244] [<ffffffffc0095290>] ? drm_mode_obj_set_property_ioctl+0x270/0x270 [drm]
May 25 11:41:51 femur kernel: [95599.796255] [<ffffffff812239bf>] ? dput+0x2f/0x220
May 25 11:41:51 femur kernel: [95599.796264] [<ffffffff8122d1e4>] ? mntput+0x24/0x40
May 25 11:41:51 femur kernel: [95599.796272] [<ffffffff8122026f>] do_vfs_ioctl+0x29f/0x490
May 25 11:41:51 femur kernel: [95599.796284] [<ffffffff8120e7fe>] ? ____fput+0xe/0x10
May 25 11:41:51 femur kernel: [95599.796296] [<ffffffff8109e9a8>] ? task_work_run+0x78/0x90
May 25 11:41:51 femur kernel: [95599.796304] [<ffffffff812204d9>] SyS_ioctl+0x79/0x90
May 25 11:41:51 femur kernel: [95599.796318] [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71
May 25 11:41:51 femur kernel: [95599.796324] ---[ end trace ac8303024c336b41 ]---
答案1
这很可能是硬件问题。
我在使用新硬件时遇到过两次类似的问题，一次是新主板，一次是新笔记本电脑。当你购买新硬件时，你希望它能飞起来，但它开始冻结 - 在第 4 次或第 5 次重启后，你就可以准备把它扔出窗外了。:)
主板问题通过新的 BIOS 固件得到解决，笔记本电脑问题通过更换故障内存得到解决。
如果您有时间和精力，并且硬盘上有空闲分区（或者空闲的外部驱动器），您可以尝试安装 Windows，因为问题可能出在驱动程序上，而不一定是由于硬件故障。
如果两三天后 Windows 运行正常，那么您可以尝试在 BIOS 中禁用可以禁用的硬件（如图形卡），并且可以尝试使用其他内核版本（较新或较旧），或者禁用某些驱动程序。
我知道这样的任务很复杂，但推断/调试硬件问题是经验丰富的用户或专业人士的工作。
编辑：最近的戴尔笔记本电脑对 Linux 相当友好（它们甚至有一系列 XPS 或 Inspiron 标有 Linux 或类似的东西），因此最近的内核和发行版（Ubuntu 1604 于上个月发布）和全新安装应该可以正常工作。我知道这不是您乐于阅读的信息，但尽管这看起来不太可能（新硬件有故障），但这种可能性不应轻易放弃。
我写这篇文章并不是为了吓唬你，而是为了加速解决你的问题，因为我清楚地记得当我处于类似的情况时我有多么痛苦。