You have been subscribed to a public bug:
Freshly installed Xubuntu 20.04 shows black screen instead of login
screen upon boot on Lenovo Ideapad L340-17API. It is not possible to
chvt to text terminal when boot is stuck on black screen.
Booting with 'nomodeset' kernel option works properly but is not an
option (e.g. screen brightness is not adjustable in this case).
Another workaround is to ssh to laptop and run systemctl restart
display-manager.service. After 5-10 seconds upon executing this command
perfectly working login screen appears.
Check dmesg. There is apparently related messages from amdgpu driver:
...
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_crtc_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_crtc_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_crtc_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_crtc_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_pflip_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_pflip_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_pflip_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_pflip_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_vupdate_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_vupdate_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_vupdate_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm:amdgpu_dm_set_vupdate_irq_state [amdgpu]] *ERROR*
amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3
апр 05 20:46:45 kernel: [drm] recover vram bo from shadow start
апр 05 20:46:45 kernel: [drm] recover vram bo from shadow done
апр 05 20:46:45 kernel: [drm] Skip scheduling IBs!
апр 05 20:46:45 kernel: ------------[ cut here ]------------
апр 05 20:46:45 kernel: WARNING: CPU: 3 PID: 793 at
include/linux/dma-fence.h:533 drm_sched_resubmit_jobs+0x152/0x160 [gpu_sched]
апр 05 20:46:45 kernel: Modules linked in: cmac algif_hash algif_skcipher
af_alg bnep zram nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_generic
ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_nhlt snd_hda_codec >
апр 05 20:46:45 kernel: CPU: 3 PID: 793 Comm: kworker/3:4 Tainted: G
OE 5.4.0-21-generic #25-Ubuntu
апр 05 20:46:45 kernel: Hardware name: LENOVO 81LY/LNVNB161216, BIOS ARCN32WW
07/11/2019
апр 05 20:46:45 kernel: Workqueue: events drm_sched_job_timedout [gpu_sched]
апр 05 20:46:45 kernel: RIP: 0010:drm_sched_resubmit_jobs+0x152/0x160
[gpu_sched]
апр 05 20:46:45 kernel: Code: 41 5c 41 5d 41 5e 41 5f 5d c3 49 8b 46 10 31 c9
48 c7 80 80 00 00 00 00 00 00 00 49 8b 7f 70 31 c0 83 e7 01 74 04 0f 0b eb bf
<0f> 0b eb c7 0f 0b eb 8b 66 0f 1f 44 00 00 0f 1f 44 00 00 83 7f 4c
апр 05 20:46:45 kernel: RSP: 0018:ffffa4dc806d7d28 EFLAGS: 00010246
апр 05 20:46:45 kernel: RAX: 0000000000000000 RBX: 0000000000000001 RCX:
0000000000000000
апр 05 20:46:45 kernel: RDX: ffff8cc9a6fc9180 RSI: ffff8cc9ac4609f8 RDI:
0000000000000000
апр 05 20:46:45 kernel: RBP: ffffa4dc806d7d60 R08: 000000000000047a R09:
0000000000000004
апр 05 20:46:45 kernel: R10: 0000000000000000 R11: 0000000000000001 R12:
ffff8cc9ac463c00
апр 05 20:46:45 kernel: R13: ffff8cc9a63c7980 R14: ffff8cc9ac460800 R15:
ffff8cc9a6fc9140
апр 05 20:46:45 kernel: FS: 0000000000000000(0000) GS:ffff8cc9b88c0000(0000)
knlGS:0000000000000000
апр 05 20:46:45 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
апр 05 20:46:45 kernel: CR2: 00007f275ff6c000 CR3: 00000001af148000 CR4:
00000000003406e0
апр 05 20:46:45 kernel: Call Trace:
апр 05 20:46:45 kernel: amdgpu_device_gpu_recover+0x6cd/0x95a [amdgpu]
апр 05 20:46:45 kernel: amdgpu_job_timedout+0x103/0x130 [amdgpu]
апр 05 20:46:45 kernel: drm_sched_job_timedout+0x44/0x90 [gpu_sched]
апр 05 20:46:45 kernel: process_one_work+0x1eb/0x3b0
апр 05 20:46:45 kernel: worker_thread+0x4d/0x400
апр 05 20:46:45 kernel: kthread+0x104/0x140
апр 05 20:46:45 kernel: ? process_one_work+0x3b0/0x3b0
апр 05 20:46:45 kernel: ? kthread_park+0x90/0x90
апр 05 20:46:45 kernel: ret_from_fork+0x22/0x40
апр 05 20:46:45 kernel: ---[ end trace fb203c8f6a7afd49 ]---
...
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: XFCE
Date: Sun Apr 5 20:52:30 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus: rtl8821ce, 5.5.2.1, 5.4.0-21-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GpuHangFrequency: Several times a week
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c4) (prog-if
00 [VGA controller])
Subsystem: Lenovo Picasso [17aa:3808]
InstallationDate: Installed on 2020-04-04 (1 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200404)
MachineType: LENOVO 81LY
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic
root=/dev/mapper/vgxubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/11/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: ARCN32WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: No DPK
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad L340-17API
dmi.modalias:
dmi:bvnLENOVO:bvrARCN32WW:bd07/11/2019:svnLENOVO:pn81LY:pvrLenovoIdeaPadL340-17API:rvnLENOVO:rnLNVNB161216:rvrNoDPK:cvnLENOVO:ct10:cvrLenovoIdeaPadL340-17API:
dmi.product.family: IdeaPad L340-17API
dmi.product.name: 81LY
dmi.product.sku: LENOVO_MT_81LY_BU_idea_FM_IdeaPad L340-17API
dmi.product.version: Lenovo IdeaPad L340-17API
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 amdgpu apport-bug focal freeze ubuntu
--
[amdgpu] Xubuntu 20.04 boots to black screen on Lenovo Ideapad L340-17API
https://bugs.launchpad.net/bugs/1870971
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