Machine hangs frequently with *ERROR* CPU pipe A FIFO underrun
My Lenovo T14s laptop is frequently hanging. Please check the call trace on the logs below. I'm using Ubuntu 20.04, with HWE kernel version 5.8.0-40-generic. I have two external monitors, 1980x1080, connected through a 2xHDMI to USB-C connector using DisplayLink. I have found various bugs related/duplicate to this one:
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1872760
- https://bugzilla.redhat.com/show_bug.cgi?id=1506339
- https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1823618?comments=all
Issue observed for kernel 5.8.0-36, 5.8.0-38, 5.8.0-40
Current HWE Kernel Version: 5.8.0-40-generic #45 (closed)~20.04.1-Ubuntu
Call trace:
Jan 27 14:18:56 lnxpc kernel: [ 4097.995904] i915 0000:00:02.0: [drm] *ERROR* failed to get link status
Jan 27 14:18:59 lnxpc kernel: [ 4101.426293] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:07 lnxpc kernel: [ 4109.270955] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:07 lnxpc kernel: [ 4109.279481] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun
Jan 27 14:19:07 lnxpc kernel: [ 4109.279591] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in pixel_rate (expected 148500, found 296999)
Jan 27 14:19:07 lnxpc kernel: [ 4109.279601] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in shared_dpll (expected 000000008b865776, found 0000000038d2e345)
Jan 27 14:19:07 lnxpc kernel: [ 4109.279606] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in dpll_hw_state.ctrl1 (expected 0x00000003, found 0x00000001)
Jan 27 14:19:07 lnxpc kernel: [ 4109.279612] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in hw.adjusted_mode.crtc_clock (expected 148500, found 296999)
Jan 27 14:19:07 lnxpc kernel: [ 4109.279617] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in port_clock (expected 270000, found 540000)
Jan 27 14:19:07 lnxpc kernel: [ 4109.279621] ------------[ cut here ]------------
Jan 27 14:19:07 lnxpc kernel: [ 4109.279622] pipe state doesn't match!
Jan 27 14:19:07 lnxpc kernel: [ 4109.279824] WARNING: CPU: 4 PID: 4259 at drivers/gpu/drm/i915/display/intel_display.c:14284 verify_crtc_state+0x2ab/0x300 [i915]
Jan 27 14:19:07 lnxpc kernel: [ 4109.279826] Modules linked in: evdi(O) ccm xt_CHECKSUM xt_MASQUERADE ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_tables nfnetlink bridge stp llc binfmt_misc
nls_iso8859_1 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common btusb btrtl videodev btbcm btintel mc bluetooth ecdh_generic ecc snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdm
i snd_soc_dmic snd_hda_codec_realtek mei_hdcp snd_hda_codec_generic joydev intel_rapl_msr snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_inte
l_hda snd_sof iwlmvm x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core coretemp snd_soc_acpi_intel_match mac80211 snd_soc_acpi kvm_intel snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine libarc4 kvm inpu
t_leds snd_hda_intel rapl snd_intel_dspcfg intel_cstate serio_raw snd_hda_codec iwlwifi efi_pstore thinkpad_acpi snd_hda_core snd_hwdep ucsi_acpi nvram mei_me typec_ucsi
Jan 27 14:19:07 lnxpc kernel: [ 4109.279875] processor_thermal_device intel_wmi_thunderbolt elan_i2c snd_pcm ledtrig_audio wmi_bmof snd_seq_midi intel_rapl_common cfg80211 mei intel_soc_dts_iosf typec snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer int3403_thermal snd soundcore int340x_thermal_zone intel_hid int3400_thermal mac_hid acpi_thermal_rel acpi_pad sparse_keymap nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip6table_filter sch_fq_codel ip6_tables iptable_filter bpfilter parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_crypt hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea aesni_intel sysfillrect sysimgblt crypto_simd fb_sys_fops cec cryptd glue_helper psmouse i2c_i801 nvme rc_core e1000e drm sdhci_pci nvme_core i2c_smbus
Jan 27 14:19:07 lnxpc kernel: [ 4109.279929] thunderbolt cqhci sdhci xhci_pci xhci_pci_renesas wmi pinctrl_cannonlake video pinctrl_intel
Jan 27 14:19:07 lnxpc kernel: [ 4109.279942] CPU: 4 PID: 4259 Comm: Xorg Tainted: G O 5.8.0-40-generic #45~20.04.1-Ubuntu
Jan 27 14:19:07 lnxpc kernel: [ 4109.279944] Hardware name: LENOVO 20T0001ESP/20T0001ESP, BIOS N2YET24W (1.13 ) 08/31/2020
Jan 27 14:19:07 lnxpc kernel: [ 4109.280041] RIP: 0010:verify_crtc_state+0x2ab/0x300 [i915]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280046] Code: b6 45 bf e9 80 fe ff ff 80 3d 1d 29 12 00 00 0f b6 f0 48 c7 c7 a8 bf 8c c0 75 32 e8 ff 52 b9 ff e9 0e fe ff ff e8 ea dd 8c ea <0f> 0b e9 14 ff ff ff e8 de dd 8c ea 0f 0b e9 77 fe ff ff e8 d2 dd
Jan 27 14:19:07 lnxpc kernel: [ 4109.280048] RSP: 0018:ffffb3f2c2dc3b50 EFLAGS: 00010282
Jan 27 14:19:07 lnxpc kernel: [ 4109.280052] RAX: 0000000000000000 RBX: ffff8e95ea8a02d0 RCX: 0000000000000027
Jan 27 14:19:07 lnxpc kernel: [ 4109.280053] RDX: 0000000000000027 RSI: 0000000000000096 RDI: ffff8e95ff718cd8
Jan 27 14:19:07 lnxpc kernel: [ 4109.280055] RBP: ffffb3f2c2dc3b98 R08: ffff8e95ff718cd0 R09: 0000000000000004
Jan 27 14:19:07 lnxpc kernel: [ 4109.280057] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8e959ea85000
Jan 27 14:19:07 lnxpc kernel: [ 4109.280059] R13: ffff8e95ea8a02d8 R14: ffff8e95ea8a0000 R15: ffff8e95fce64000
Jan 27 14:19:07 lnxpc kernel: [ 4109.280062] FS: 00007f5e68cd8a40(0000) GS:ffff8e95ff700000(0000) knlGS:0000000000000000
Jan 27 14:19:07 lnxpc kernel: [ 4109.280064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 27 14:19:07 lnxpc kernel: [ 4109.280066] CR2: 00007f30bdc32b60 CR3: 000000042cc3c004 CR4: 00000000003606e0
Jan 27 14:19:07 lnxpc kernel: [ 4109.280068] Call Trace:
Jan 27 14:19:07 lnxpc kernel: [ 4109.280167] intel_atomic_commit_tail+0x625/0xde0 [i915]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280277] intel_atomic_commit+0x2a4/0x320 [i915]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280336] drm_atomic_commit+0x4a/0x50 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280383] drm_atomic_connector_commit_dpms+0xdf/0x100 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280419] drm_mode_obj_set_property_ioctl+0x18f/0x3b0 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280427] ? __fpu__restore_sig+0x357/0x630
Jan 27 14:19:07 lnxpc kernel: [ 4109.280461] ? drm_connector_set_obj_prop+0x90/0x90 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280494] drm_connector_property_set_ioctl+0x3b/0x60 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280519] drm_ioctl_kernel+0xae/0xf0 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280545] drm_ioctl+0x234/0x3d0 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280578] ? drm_connector_set_obj_prop+0x90/0x90 [drm]
Jan 27 14:19:07 lnxpc kernel: [ 4109.280586] ? __set_task_blocked+0x38/0xa0
Jan 27 14:19:07 lnxpc kernel: [ 4109.280593] ? _copy_from_user+0x31/0x60
Jan 27 14:19:07 lnxpc kernel: [ 4109.280599] ksys_ioctl+0x9d/0xd0
Jan 27 14:19:07 lnxpc kernel: [ 4109.280604] __x64_sys_ioctl+0x1a/0x20
Jan 27 14:19:07 lnxpc kernel: [ 4109.280610] do_syscall_64+0x49/0xc0
Jan 27 14:19:07 lnxpc kernel: [ 4109.280614] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jan 27 14:19:07 lnxpc kernel: [ 4109.280617] RIP: 0033:0x7f5e6903850b
Jan 27 14:19:07 lnxpc kernel: [ 4109.280622] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
Jan 27 14:19:07 lnxpc kernel: [ 4109.280624] RSP: 002b:00007ffe8bc3e638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jan 27 14:19:07 lnxpc kernel: [ 4109.280628] RAX: ffffffffffffffda RBX: 00007ffe8bc3e670 RCX: 00007f5e6903850b
Jan 27 14:19:07 lnxpc kernel: [ 4109.280630] RDX: 00007ffe8bc3e670 RSI: 00000000c01064ab RDI: 000000000000000c
Jan 27 14:19:07 lnxpc kernel: [ 4109.280631] RBP: 00000000c01064ab R08: 000055efbce98728 R09: 0000000000000000
Jan 27 14:19:07 lnxpc kernel: [ 4109.280633] R10: 000055efbce98728 R11: 0000000000000246 R12: 000055efbdf8c020
Jan 27 14:19:07 lnxpc kernel: [ 4109.280635] R13: 000000000000000c R14: 0000000000000000 R15: 000055efbc091980
Jan 27 14:19:07 lnxpc kernel: [ 4109.280640] ---[ end trace dd5cfba628997790 ]---
Jan 27 14:19:07 lnxpc kernel: [ 4109.511293] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:19:07 lnxpc kernel: [ 4109.617710] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617732] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617818] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617833] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617910] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617923] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.617995] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:07 lnxpc kernel: [ 4109.618008] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:15 lnxpc kernel: [ 4117.465529] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:27 lnxpc kernel: [ 4129.498809] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:27 lnxpc kernel: [ 4129.581828] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:19:36 lnxpc kernel: [ 4138.187187] i915 0000:00:02.0: [drm] *ERROR* failed to get link status
Jan 27 14:19:39 lnxpc kernel: [ 4141.622880] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:39 lnxpc kernel: [ 4141.623010] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun
Jan 27 14:19:47 lnxpc kernel: [ 4149.447693] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:19:47 lnxpc kernel: [ 4149.459806] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:19:52 lnxpc kernel: [ 4154.058803] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058811] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058838] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058843] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058866] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058871] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058894] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:19:52 lnxpc kernel: [ 4154.058899] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:20:07 lnxpc kernel: [ 4169.518855] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:20:27 lnxpc kernel: [ 4189.797238] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29687 PROTO=2
Jan 27 14:20:57 lnxpc kernel: [ 4219.695532] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:21:07 lnxpc kernel: [ 4229.935807] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29689 PROTO=2
Jan 27 14:21:27 lnxpc kernel: [ 4249.596569] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:21:47 lnxpc kernel: [ 4269.872540] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29692 PROTO=2
Jan 27 14:22:07 lnxpc kernel: [ 4289.738020] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:22:27 lnxpc kernel: [ 4309.573692] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:23:07 lnxpc kernel: [ 4349.745200] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:23:07 lnxpc kernel: [ 4349.784655] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29704 PROTO=2
Jan 27 14:23:27 lnxpc kernel: [ 4369.819864] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29706 PROTO=2
Jan 27 14:23:47 lnxpc kernel: [ 4389.886512] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:24:07 lnxpc kernel: [ 4409.754280] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:24:27 lnxpc kernel: [ 4429.825027] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29710 PROTO=2
Jan 27 14:24:47 lnxpc kernel: [ 4449.916635] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:25:10 lnxpc kernel: [ 4472.007920] i915 0000:00:02.0: [drm] *ERROR* failed to get link status
Jan 27 14:25:10 lnxpc kernel: [ 4472.009380] i915 0000:00:02.0: [drm] *ERROR* Timed out waiting for DP idle patterns
Jan 27 14:25:13 lnxpc kernel: [ 4475.440931] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:13 lnxpc kernel: [ 4475.458128] i915 0000:00:02.0: [drm] *ERROR* CPU pipe B FIFO underrun
Jan 27 14:25:17 lnxpc kernel: [ 4479.803247] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29712 PROTO=2
Jan 27 14:25:21 lnxpc kernel: [ 4483.283236] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:21 lnxpc kernel: [ 4483.656738] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656764] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656867] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656882] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656971] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656986] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.657064] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.657079] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:10 lnxpc kernel: [ 4472.007920] i915 0000:00:02.0: [drm] *ERROR* failed to get link status
Jan 27 14:25:10 lnxpc kernel: [ 4472.009380] i915 0000:00:02.0: [drm] *ERROR* Timed out waiting for DP idle patterns
Jan 27 14:25:13 lnxpc kernel: [ 4475.440931] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:13 lnxpc kernel: [ 4475.458128] i915 0000:00:02.0: [drm] *ERROR* CPU pipe B FIFO underrun
Jan 27 14:25:17 lnxpc kernel: [ 4479.803247] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29712 PROTO=2
Jan 27 14:25:21 lnxpc kernel: [ 4483.283236] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:21 lnxpc kernel: [ 4483.656738] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656764] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656867] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656882] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656971] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.656986] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.657064] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:21 lnxpc kernel: [ 4483.657079] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:27 lnxpc kernel: [ 4489.829791] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:25:29 lnxpc kernel: [ 4491.495602] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:41 lnxpc kernel: [ 4503.520675] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:47 lnxpc kernel: [ 4509.905972] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:fb:a4:34:d9:ef:02:ef:08:00 SRC=192.168.1.41 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=29715 PROTO=2
Jan 27 14:25:50 lnxpc kernel: [ 4512.200816] i915 0000:00:02.0: [drm] *ERROR* failed to get link status
Jan 27 14:25:50 lnxpc kernel: [ 4512.202195] i915 0000:00:02.0: [drm] *ERROR* Timed out waiting for DP idle patterns
Jan 27 14:25:53 lnxpc kernel: [ 4515.596912] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:25:53 lnxpc kernel: [ 4515.613795] i915 0000:00:02.0: [drm] *ERROR* CPU pipe B FIFO underrun
Jan 27 14:25:53 lnxpc kernel: [ 4515.975779] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.975803] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.975897] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.975911] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.975986] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.976000] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.976072] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:25:53 lnxpc kernel: [ 4515.976085] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:26:01 lnxpc kernel: [ 4523.735701] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:26:01 lnxpc kernel: [ 4523.791916] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in pixel_rate (expected 119000, found 35699)
Jan 27 14:26:01 lnxpc kernel: [ 4523.791931] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in shared_dpll (expected 000000008b865776, found 0000000038d2e345)
Jan 27 14:26:01 lnxpc kernel: [ 4523.791939] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in dpll_hw_state.ctrl1 (expected 0x00000001, found 0x00000005)
Jan 27 14:26:01 lnxpc kernel: [ 4523.791947] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in hw.adjusted_mode.crtc_clock (expected 119000, found 35699)
Jan 27 14:26:01 lnxpc kernel: [ 4523.791952] i915 0000:00:02.0: [drm] *ERROR* [CRTC:51:pipe A] mismatch in port_clock (expected 540000, found 162000)
Jan 27 14:26:01 lnxpc kernel: [ 4523.791958] ------------[ cut here ]------------
Jan 27 14:26:01 lnxpc kernel: [ 4523.791959] pipe state doesn't match!
Jan 27 14:26:01 lnxpc kernel: [ 4523.792220] WARNING: CPU: 4 PID: 4259 at drivers/gpu/drm/i915/display/intel_display.c:14284 verify_crtc_state+0x2ab/0x300 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792222] Modules linked in: evdi(O) ccm xt_CHECKSUM xt_MASQUERADE ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_tables nfnetlink bridge stp llc binfmt_misc nls_iso8859_1 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common btusb btrtl videodev btbcm btintel mc bluetooth ecdh_generic ecc snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_soc_dmic snd_hda_codec_realtek mei_hdcp snd_hda_codec_generic joydev intel_rapl_msr snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof iwlmvm x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core coretemp snd_soc_acpi_intel_match mac80211 snd_soc_acpi kvm_intel snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine libarc4 kvm input_leds snd_hda_intel rapl snd_intel_dspcfg intel_cstate serio_raw snd_hda_codec iwlwifi efi_pstore thinkpad_acpi snd_hda_core snd_hwdep ucsi_acpi nvram mei_me typec_ucsi
Jan 27 14:26:01 lnxpc kernel: [ 4523.792285] processor_thermal_device intel_wmi_thunderbolt elan_i2c snd_pcm ledtrig_audio wmi_bmof snd_seq_midi intel_rapl_common cfg80211 mei intel_soc_dts_iosf typec snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer int3403_thermal snd soundcore int340x_thermal_zone intel_hid int3400_thermal mac_hid acpi_thermal_rel acpi_pad sparse_keymap nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip6table_filter sch_fq_codel ip6_tables iptable_filter bpfilter parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_crypt hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea aesni_intel sysfillrect sysimgblt crypto_simd fb_sys_fops cec cryptd glue_helper psmouse i2c_i801 nvme rc_core e1000e drm sdhci_pci nvme_core i2c_smbus
Jan 27 14:26:01 lnxpc kernel: [ 4523.792354] thunderbolt cqhci sdhci xhci_pci xhci_pci_renesas wmi pinctrl_cannonlake video pinctrl_intel
Jan 27 14:26:01 lnxpc kernel: [ 4523.792371] CPU: 4 PID: 4259 Comm: Xorg Tainted: G W O 5.8.0-40-generic #45~20.04.1-Ubuntu
Jan 27 14:26:01 lnxpc kernel: [ 4523.792373] Hardware name: LENOVO 20T0001ESP/20T0001ESP, BIOS N2YET24W (1.13 ) 08/31/2020
Jan 27 14:26:01 lnxpc kernel: [ 4523.792498] RIP: 0010:verify_crtc_state+0x2ab/0x300 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792504] Code: b6 45 bf e9 80 fe ff ff 80 3d 1d 29 12 00 00 0f b6 f0 48 c7 c7 a8 bf 8c c0 75 32 e8 ff 52 b9 ff e9 0e fe ff ff e8 ea dd 8c ea <0f> 0b e9 14 ff ff ff e8 de dd 8c ea 0f 0b e9 77 fe ff ff e8 d2 dd
Jan 27 14:26:01 lnxpc kernel: [ 4523.792507] RSP: 0018:ffffb3f2c2dc3b18 EFLAGS: 00010286
Jan 27 14:26:01 lnxpc kernel: [ 4523.792511] RAX: 0000000000000000 RBX: ffff8e95ea8a02d0 RCX: 0000000000000027
Jan 27 14:26:01 lnxpc kernel: [ 4523.792513] RDX: 0000000000000027 RSI: 0000000000000086 RDI: ffff8e95ff718cd8
Jan 27 14:26:01 lnxpc kernel: [ 4523.792516] RBP: ffffb3f2c2dc3b60 R08: ffff8e95ff718cd0 R09: 0000000000000004
Jan 27 14:26:01 lnxpc kernel: [ 4523.792518] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8e959eacf000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792520] R13: ffff8e95ea8a02d8 R14: ffff8e95ea8a0000 R15: ffff8e95fce64000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792524] FS: 00007f5e68cd8a40(0000) GS:ffff8e95ff700000(0000) knlGS:0000000000000000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 27 14:26:01 lnxpc kernel: [ 4523.792529] CR2: 00002aabd5da8000 CR3: 000000042cc3c002 CR4: 00000000003606e0
Jan 27 14:26:01 lnxpc kernel: [ 4523.792532] Call Trace:
Jan 27 14:26:01 lnxpc kernel: [ 4523.792658] intel_atomic_commit_tail+0x625/0xde0 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792775] intel_atomic_commit+0x2a4/0x320 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792836] drm_atomic_commit+0x4a/0x50 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792868] drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792907] drm_mode_setcrtc+0x20d/0x7e0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792920] ? sched_clock_cpu+0x11/0xb0
Jan 27 14:26:01 lnxpc kernel: [ 4523.792958] ? drm_mode_getcrtc+0x190/0x190 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792990] drm_ioctl_kernel+0xae/0xf0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793024] drm_ioctl+0x234/0x3d0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793060] ? drm_mode_getcrtc+0x190/0x190 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793071] ksys_ioctl+0x9d/0xd0
Jan 27 14:26:01 lnxpc kernel: [ 4523.793078] __x64_sys_ioctl+0x1a/0x20
Jan 27 14:26:01 lnxpc kernel: [ 4523.793086] do_syscall_64+0x49/0xc0
Jan 27 14:26:01 lnxpc kernel: [ 4523.793091] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jan 27 14:26:01 lnxpc kernel: [ 4523.793095] RIP: 0033:0x7f5e6903850b
Jan 27 14:26:01 lnxpc kernel: [ 4523.793101] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
Jan 27 14:26:01 lnxpc kernel: [ 4523.792507] RSP: 0018:ffffb3f2c2dc3b18 EFLAGS: 00010286
Jan 27 14:26:01 lnxpc kernel: [ 4523.792511] RAX: 0000000000000000 RBX: ffff8e95ea8a02d0 RCX: 0000000000000027
Jan 27 14:26:01 lnxpc kernel: [ 4523.792513] RDX: 0000000000000027 RSI: 0000000000000086 RDI: ffff8e95ff718cd8
Jan 27 14:26:01 lnxpc kernel: [ 4523.792516] RBP: ffffb3f2c2dc3b60 R08: ffff8e95ff718cd0 R09: 0000000000000004
Jan 27 14:26:01 lnxpc kernel: [ 4523.792518] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8e959eacf000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792520] R13: ffff8e95ea8a02d8 R14: ffff8e95ea8a0000 R15: ffff8e95fce64000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792524] FS: 00007f5e68cd8a40(0000) GS:ffff8e95ff700000(0000) knlGS:0000000000000000
Jan 27 14:26:01 lnxpc kernel: [ 4523.792527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 27 14:26:01 lnxpc kernel: [ 4523.792529] CR2: 00002aabd5da8000 CR3: 000000042cc3c002 CR4: 00000000003606e0
Jan 27 14:26:01 lnxpc kernel: [ 4523.792532] Call Trace:
Jan 27 14:26:01 lnxpc kernel: [ 4523.792658] intel_atomic_commit_tail+0x625/0xde0 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792775] intel_atomic_commit+0x2a4/0x320 [i915]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792836] drm_atomic_commit+0x4a/0x50 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792868] drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792907] drm_mode_setcrtc+0x20d/0x7e0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792920] ? sched_clock_cpu+0x11/0xb0
Jan 27 14:26:01 lnxpc kernel: [ 4523.792958] ? drm_mode_getcrtc+0x190/0x190 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.792990] drm_ioctl_kernel+0xae/0xf0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793024] drm_ioctl+0x234/0x3d0 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793060] ? drm_mode_getcrtc+0x190/0x190 [drm]
Jan 27 14:26:01 lnxpc kernel: [ 4523.793071] ksys_ioctl+0x9d/0xd0
Jan 27 14:26:01 lnxpc kernel: [ 4523.793078] __x64_sys_ioctl+0x1a/0x20
Jan 27 14:26:01 lnxpc kernel: [ 4523.793086] do_syscall_64+0x49/0xc0
Jan 27 14:26:01 lnxpc kernel: [ 4523.793091] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jan 27 14:26:01 lnxpc kernel: [ 4523.793095] RIP: 0033:0x7f5e6903850b
Jan 27 14:26:01 lnxpc kernel: [ 4523.793101] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
Jan 27 14:26:01 lnxpc kernel: [ 4523.793104] RSP: 002b:00007ffe8bc3df68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jan 27 14:26:01 lnxpc kernel: [ 4523.793108] RAX: ffffffffffffffda RBX: 00007ffe8bc3dfa0 RCX: 00007f5e6903850b
Jan 27 14:26:01 lnxpc kernel: [ 4523.793111] RDX: 00007ffe8bc3dfa0 RSI: 00000000c06864a2 RDI: 000000000000000c
Jan 27 14:26:01 lnxpc kernel: [ 4523.793113] RBP: 00000000c06864a2 R08: 0000000000000000 R09: 000055efbdfa9510
Jan 27 14:26:01 lnxpc kernel: [ 4523.793115] R10: 0000000000000000 R11: 0000000000000246 R12: 000055efbd0a3d00
Jan 27 14:26:01 lnxpc kernel: [ 4523.793117] R13: 000000000000000c R14: 000055efbce98728 R15: 0000000000000001
Jan 27 14:26:01 lnxpc kernel: [ 4523.793124] ---[ end trace dd5cfba628997791 ]---
Jan 27 14:26:04 lnxpc kernel: [ 4526.093404] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:26:04 lnxpc kernel: [ 4526.093434] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:26:04 lnxpc kernel: [ 4526.093450] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:26:04 lnxpc kernel: [ 4526.093466] evdi: [D] evdi_detect:94 (dev=0) poll connector state: disconnected
Jan 27 14:26:04 lnxpc kernel: [ 4526.230062] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=f8:ac:65:e3:5f:b2:34:93:42:e7:aa:c6:08:00 SRC=192.168.1.43 DST=192.168.1.40 LEN=542 TOS=0x00 PREC=0x00 TTL=64 ID=28452 DF PROTO=UDP SPT=46517 DPT=40277 LEN=522
Jan 27 14:26:11 lnxpc kernel: [ 4533.963876] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
Jan 27 14:26:26 lnxpc kernel: [ 4548.465936] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:51:pipe A] flip_done timed out
Jan 27 14:26:28 lnxpc kernel: [ 4550.041773] [UFW BLOCK] IN=wlp0s20f3 OUT= MAC=01:00:5e:00:00:01:84:aa:9c:ec:31:94:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
Jan 27 14:26:36 lnxpc kernel: [ 4558.705995] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:51:pipe A] flip_done timed out
Jan 27 14:26:46 lnxpc kernel: [ 4568.945836] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:31:plane 1A] flip_done timed out