** Changed in: linux (Ubuntu)
       Status: Confirmed => Fix Committed

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https://bugs.launchpad.net/bugs/1899882

Title:
  hdmi monitor on

Status in linux package in Ubuntu:
  Fix Committed

Bug description:
  XPS 13 9300 -- 50H3P53 -- Dell laptop
  WD19TB ------- 4BWNW43 -- Dell Thunderbolt dock
  S2319HS ------ B4TYZ13 -- Dell 23" external monitor

  External monitor remains black when waking system after suspending.  
  Works OK when log out then log in or when reboot.  
  Using HDMI cable from dock to monitor.

  From /var/log/syslog:

  Oct 14 21:09:41 lt9 kernel: [32059.746520] ------------[ cut here 
]------------
  Oct 14 21:09:41 lt9 kernel: [32059.746524] WARN_ON(is_mst && (port == PORT_A 
|| port == PORT_E))
  Oct 14 21:09:41 lt9 kernel: [32059.746674] WARNING: CPU: 6 PID: 1221 at 
drivers/gpu/drm/i915/display/intel_ddi.c:3179 
intel_ddi_pre_enable_dp.isra.0+0x20f/0x430 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.746676] Modules linked in: ccm usblp 
ftdi_sio usbserial snd_usb_audio snd_usbmidi_lib rfcomm typec_displayport 
cdc_ether usbnet r8152 mii cmac algif_hash algif_skcipher af_al
  g bnep btusb btrtl btbcm btintel uvcvideo videobuf2_vmalloc videobuf2_memops 
bluetooth videobuf2_v4l2 videobuf2_common videodev mc ecdh_generic ecc 
nls_iso8859_1 snd_sof_pci snd_sof_intel_hda_common snd_soc_hd
  ac_hda snd_hda_codec_hdmi snd_sof_intel_hda snd_sof_intel_byt 
snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_ext_core 
snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress 
snd_hda_codec_realtek
   ac97_bus snd_pcm_dmaengine snd_hda_codec_generic snd_hda_intel mei_hdcp 
snd_intel_dspcfg dell_laptop snd_hda_codec joydev ledtrig_audio intel_rapl_msr 
snd_hda_core snd_hwdep x86_pkg_temp_thermal intel_powercl
  amp snd_pcm coretemp kvm_intel kvm snd_seq_midi snd_seq_midi_event 
snd_rawmidi crct10dif_pclmul ghash_clmulni_intel dell_wmi snd_seq aesni_intel 
dell_smbios crypto_simd dcdbas cryptd glue_helper rapl
  Oct 14 21:09:41 lt9 kernel: [32059.746719]  intel_cstate iwlmvm input_leds 
serio_raw mac80211 snd_seq_device intel_wmi_thunderbolt wmi_bmof 
dell_wmi_descriptor snd_timer libarc4 snd hid_sensor_als hid_sensor_t
  rigger industrialio_triggered_buffer iwlwifi kfifo_buf hid_sensor_iio_common 
rtsx_pci_ms 8250_dw memstick soundcore industrialio ucsi_acpi 
processor_thermal_device intel_rapl_common mei_me typec_ucsi cros_ec_i
  shtp hid_multitouch mei cfg80211 cros_ec intel_soc_dts_iosf typec 
int3403_thermal mac_hid int340x_thermal_zone int3400_thermal intel_hid 
acpi_thermal_rel sparse_keymap acpi_pad acpi_tad sch_fq_codel parport_pc
   ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress usbhid 
raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor 
raid6_pq libcrc32c raid1 raid0 multipath linear hid_sensor_
  hub hid_generic intel_ishtp_loader intel_ishtp_hid rtsx_pci_sdmmc i915 
crc32_pclmul rtsx_pci psmouse nvme i2c_algo_bit drm_kms_helper intel_lpss_pci 
i2c_i801 intel_lpss nvme_core syscopyarea idma64
  Oct 14 21:09:41 lt9 kernel: [32059.746764]  sysfillrect virt_dma sysimgblt 
fb_sys_fops intel_ish_ipc thunderbolt drm intel_ishtp wmi i2c_hid hid video 
pinctrl_icelake pinctrl_intel
  Oct 14 21:09:41 lt9 kernel: [32059.746778] CPU: 6 PID: 1221 Comm: Xorg 
Tainted: G        W         5.4.0-48-generic #52-Ubuntu
  Oct 14 21:09:41 lt9 kernel: [32059.746780] Hardware name: Dell Inc. XPS 13 
9300/0RMFN5, BIOS 1.2.0 08/13/2020
  Oct 14 21:09:41 lt9 kernel: [32059.746843] RIP: 
0010:intel_ddi_pre_enable_dp.isra.0+0x20f/0x430 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.746847] Code: ff ff 83 f8 0a bf 00 00 00 
00 49 0f 44 fc 48 89 7d c0 e9 4b fe ff ff 48 c7 c6 e0 0a 76 c0 48 c7 c7 43 79 
77 c0 e8 0c c5 bd db <0f> 0b e9 ae fe ff ff 41 8b 54 24 70 8b 75 a8 4c 89 e7 e8 
8a c7 ff
  Oct 14 21:09:41 lt9 kernel: [32059.746849] RSP: 0018:ffffb3bf01253850 EFLAGS: 
00010282
  Oct 14 21:09:41 lt9 kernel: [32059.746852] RAX: 0000000000000000 RBX: 
ffff9f1eebeca000 RCX: 0000000000000000
  Oct 14 21:09:41 lt9 kernel: [32059.746854] RDX: 0000000000000035 RSI: 
ffffffff9dd955d5 RDI: 0000000000000246
  Oct 14 21:09:41 lt9 kernel: [32059.746855] RBP: ffffb3bf012538a8 R08: 
ffffffff9dd955a0 R09: 0000000000000035
  Oct 14 21:09:41 lt9 kernel: [32059.746857] R10: ffffffff9dd95980 R11: 
000000009dd9559f R12: ffff9f1eebeca000
  Oct 14 21:09:41 lt9 kernel: [32059.746858] R13: ffff9f1e1bb67000 R14: 
ffff9f1eebb80000 R15: ffff9f1eebeca120
  Oct 14 21:09:41 lt9 kernel: [32059.746861] FS:  00007fd341ab0a80(0000) 
GS:ffff9f1eff780000(0000) knlGS:0000000000000000
  Oct 14 21:09:41 lt9 kernel: [32059.746863] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Oct 14 21:09:41 lt9 kernel: [32059.746865] CR2: 00000177088fa000 CR3: 
000000046e046003 CR4: 0000000000760ee0
  Oct 14 21:09:41 lt9 kernel: [32059.746866] PKRU: 55555554
  Oct 14 21:09:41 lt9 kernel: [32059.746868] Call Trace:
  Oct 14 21:09:41 lt9 kernel: [32059.746930]  ? 
intel_set_cpu_fifo_underrun_reporting+0x89/0x2a0 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.746984]  intel_ddi_pre_enable+0x98/0x340 
[i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747000]  ? 
drm_dp_mst_topology_put_port+0x27/0x40 [drm_kms_helper]
  Oct 14 21:09:41 lt9 kernel: [32059.747053]  
intel_mst_pre_enable_dp+0x9a/0x150 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747109]  
intel_encoders_pre_enable.isra.0+0x6b/0x80 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747163]  haswell_crtc_enable+0x84/0x450 
[i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747232]  ? 
intel_pipe_update_end+0x85/0x1b0 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747302]  intel_update_crtc+0x35e/0x3e0 
[i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747368]  skl_update_crtcs+0x24f/0x2c0 
[i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747436]  
intel_atomic_commit_tail+0x3eb/0x12e0 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747442]  ? 
flush_workqueue_prep_pwqs+0x12e/0x140
  Oct 14 21:09:41 lt9 kernel: [32059.747447]  ? flush_workqueue+0x193/0x420
  Oct 14 21:09:41 lt9 kernel: [32059.747514]  ? 
intel_atomic_commit_ready+0x4d/0x54 [i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747580]  intel_atomic_commit+0x284/0x2b0 
[i915]
  Oct 14 21:09:41 lt9 kernel: [32059.747615]  drm_atomic_commit+0x4a/0x50 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747636]  
drm_atomic_connector_commit_dpms+0xdf/0x100 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747660]  
drm_mode_obj_set_property_ioctl+0x156/0x2a0 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747684]  ? 
drm_connector_set_obj_prop+0x90/0x90 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747705]  
drm_connector_property_set_ioctl+0x3b/0x60 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747722]  drm_ioctl_kernel+0xae/0xf0 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747739]  drm_ioctl+0x234/0x3d0 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747758]  ? 
drm_connector_set_obj_prop+0x90/0x90 [drm]
  Oct 14 21:09:41 lt9 kernel: [32059.747764]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747767]  ? __switch_to_asm+0x34/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747769]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747772]  ? __switch_to_asm+0x34/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747775]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747777]  ? __switch_to_asm+0x34/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747780]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747782]  ? __switch_to_asm+0x34/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747785]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747787]  ? __switch_to_asm+0x34/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747790]  ? __switch_to_asm+0x40/0x70
  Oct 14 21:09:41 lt9 kernel: [32059.747794]  ? __switch_to+0x1b2/0x470
  Oct 14 21:09:41 lt9 kernel: [32059.747799]  do_vfs_ioctl+0x407/0x670
  Oct 14 21:09:41 lt9 kernel: [32059.747801]  ? __schedule+0x2eb/0x740
  Oct 14 21:09:41 lt9 kernel: [32059.747804]  ksys_ioctl+0x67/0x90
  Oct 14 21:09:41 lt9 kernel: [32059.747807]  __x64_sys_ioctl+0x1a/0x20
  Oct 14 21:09:41 lt9 kernel: [32059.747811]  do_syscall_64+0x57/0x190
  Oct 14 21:09:41 lt9 kernel: [32059.747815]  
entry_SYSCALL_64_after_hwframe+0x44/0xa9
  Oct 14 21:09:41 lt9 kernel: [32059.747817] RIP: 0033:0x7fd341e1050b
  Oct 14 21:09:41 lt9 kernel: [32059.747821] 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
  Oct 14 21:09:41 lt9 kernel: [32059.747822] RSP: 002b:00007ffdbeeafca8 EFLAGS: 
00000246 ORIG_RAX: 0000000000000010
  Oct 14 21:09:41 lt9 kernel: [32059.747825] RAX: ffffffffffffffda RBX: 
00007ffdbeeafce0 RCX: 00007fd341e1050b
  Oct 14 21:09:41 lt9 kernel: [32059.747826] RDX: 00007ffdbeeafce0 RSI: 
00000000c01064ab RDI: 000000000000000e
  Oct 14 21:09:41 lt9 kernel: [32059.747827] RBP: 00000000c01064ab R08: 
000055884cdb3060 R09: 0000000000000000
  Oct 14 21:09:41 lt9 kernel: [32059.747828] R10: 000055884cdb3060 R11: 
0000000000000246 R12: 000055884db5ac70
  Oct 14 21:09:41 lt9 kernel: [32059.747830] R13: 000000000000000e R14: 
000055884cdb2a20 R15: 000055884ca02138
  Oct 14 21:09:41 lt9 kernel: [32059.747833] ---[ end trace 21c6e0ef255ea00b 
]---

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-48-generic 5.4.0-48.52
  ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  dunlap     2447 F.... pulseaudio
   /dev/snd/controlC0:  dunlap     2447 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  Date: Wed Oct 14 21:44:32 2020
  DistributionChannelDescriptor:
   # This is the distribution channel descriptor for the OEM CDs
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-focal-amd64-20200502-85
  InstallationDate: Installed on 2020-08-04 (71 days ago)
  InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 
20200502-05:58
  MachineType: Dell Inc. XPS 13 9300
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic 
root=UUID=2d9ccdcb-a33b-4e1c-be69-0390b3405c08 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-48-generic N/A
   linux-backports-modules-5.4.0-48-generic  N/A
   linux-firmware                            1.187.3
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/13/2020
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.0
  dmi.board.name: 0RMFN5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.2.0:bd08/13/2020:svnDellInc.:pnXPS139300:pvr:rvnDellInc.:rn0RMFN5:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 13 9300
  dmi.product.sku: 096D
  dmi.sys.vendor: Dell Inc.

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