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Summary: after an upgrade to Ubuntu 20.04 my entire computer freezes
some seconds after bootup. It does not even reply to pings anymore and
remote logins stop working as well. When booting it in recovery mode and
then immediately using the menu option to continue booting, it appears
to work reliably, but it only detects one monitor and there is no 3d
acceleration.
I've seen freezes happening at the following points:
a) at the stage of a black screnen saying "lenovo" in the middle and
"ubuntu" at the bottom (of both monitors)
b) when asking for username and password to login
c) after login
When I was using the same computer with Ubuntu 19.10, there was no such problem.
The computer is a Lenovo ThinkCentre M920x, the graphics card used is
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Baffin [Radeon RX 550 640SP / RX 560/560X] (rev ef)
with two monitors (3840x2160) connected via MiniDisplayPort
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Keine Berechtigung: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 26 14:29:19 2020
DistUpgraded: 2020-04-25 14:33:16,904 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GpuHangFrequency: Continuously
GpuHangReproducibility: Seems to happen randomly
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Subsystem: Lenovo UHD Graphics 630 (Desktop 9 Series) [17aa:3135]
Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 550 640SP / RX
560/560X] [1002:67ff] (rev ef) (prog-if 00 [VGA controller])
Subsystem: Bitland(ShenZhen) Information Technology Co., Ltd. Baffin [Radeon
RX 550 640SP / RX 560/560X] [1642:1725]
InstallationDate: Installed on 2020-03-29 (28 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 10S1002NMZ
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-26-generic
root=UUID=ff61fce1-cc83-4bbe-bc88-09cdd2ac7471 ro recovery nomodeset
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to focal on 2020-04-25 (0 days ago)
XorgLogOld:
dmi.bios.date: 02/17/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: M1UKT50A
dmi.board.name: 3135
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T08861 WIN 3305220985042
dmi.chassis.type: 35
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrM1UKT50A:bd02/17/2020:svnLENOVO:pn10S1002NMZ:pvrThinkCentreM920x:rvnLENOVO:rn3135:rvrSDK0T08861WIN3305220985042:cvnLENOVO:ct35:cvrNone:
dmi.product.family: ThinkCentre M920x
dmi.product.name: 10S1002NMZ
dmi.product.sku: LENOVO_MT_10S1_BU_Think_FM_ThinkCentre M920x
dmi.product.version: ThinkCentre M920x
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
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+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal freeze ubuntu
--
Entire computer freezes shortly after bootup
https://bugs.launchpad.net/bugs/1875200
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