[Bug 1898869] Re: System slow on booting

[Oliver Grawert]

okay, thats quite different ...

a) you run the lowlatency kernel for whatever reason ... this is clearly
the worst choice you can pick for already slow hardware (low latency ->
do one thing as fast as you can ... ignore other things ... i.e. you
trade overall system performance for the ability to do one single task
very fast (a typical use for this kernel is fully reliable professional
audio processing (no crackling, no jitter) at the cost of desktop
performance)

b) the (third party) wlan driver crashes in a loop, preventing the
network from coming up for quite some time ...

c) you seem to run dnscrypt-proxy and that seems to effectively delay
working DNS resolution until the end of the boot for whatever reason ...

same question as before ... have you tired running a completely
unmodified install of 20.04.1 on this hardware ? did that behave
similarly slow ?

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Title:
  System slow on booting

Status in snapd package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  I have installed a Kubuntu 20.04.1 for my grandma, the system is slow
  to boot, takes between a minute 30 seconds to two minutes to display
  the Plasma Desktop. I am attaching a journalctl log and a systemd-
  bootchart img.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu27.9
  Architecture: amd64
  CasperMD5CheckResult: skip
  CompositorRunning: None
  Date: Wed Oct  7 15:26:27 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.271+bdcom, 5.4.0-42-generic, x86_64: installed
   bcmwl, 6.30.223.271+bdcom, 5.4.0-48-generic, x86_64: installed
  ExtraDebuggingInterest: No
  GraphicsCard:
   Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0c) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Atom Processor Z36xxx/Z37xxx Series Graphics & Display [1043:14dd]
  InstallationDate: Installed on 2020-09-22 (14 days ago)
  InstallationMedia: Kubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 04f2:b404 Chicony Electronics Co., Ltd USB2.0 HD UVC WebCam
   Bus 001 Device 003: ID 04ca:2006 Lite-On Technology Corp. Broadcom BCM43142A0 Bluetooth Device
   Bus 001 Device 002: ID 1c4f:0034 SiGma Micro Usb Mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X551MA
  ProcEnviron:
   LANGUAGE=ru:en_US
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=bg_BG.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=/dev/mapper/vgkubuntu-root ro quiet splash init=/lib/systemd/systemd-bootchart vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X551MA.515
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X551MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX551MA.515:bd04/15/2015:svnASUSTeKCOMPUTERINC.:pnX551MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX551MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.family: X
  dmi.product.name: X551MA
  dmi.product.sku: ASUS-NotebookSKU
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
  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

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