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[Erich Eickmeyer <1839182@xxxxxxxxxxxxxxxxxx>]

** Changed in: ubuntustudio-installer (Ubuntu)
     Assignee: (unassigned) => Ubuntu Studio Development (ubuntustudio-dev)

** Also affects: ubuntustudio-installer
   Importance: Undecided
       Status: New

** Changed in: ubuntustudio-installer
       Status: New => Confirmed

** Changed in: ubuntustudio-installer
     Assignee: (unassigned) => Len Ovens (len-ovenwerks)

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https://bugs.launchpad.net/bugs/1839182

Title:
  Error: divie by zero

Status in ubuntustudio-installer:
  Confirmed
Status in ubuntustudio-installer package in Ubuntu:
  Confirmed

Bug description:
  I'm trying to install some ubuntustudio packages (low latency kernel
  and settings) on top of Ubuntu 19.04 using the ubuntustudio-installer
  gui. At a certain point the installer crashes and reports the
  following error:

  divide by zero
  divide by zero
      while executing
  "expr 300 + (200 / $nofl * $pct)"
      (procedure "pctunpk" line 2)
      invoked from within
  "pctunpk $unpk $getcnt"
      (procedure "install" line 75)
      invoked from within
  "install"
      invoked from within
  ".install invoke"
      ("uplevel" body line 1)
      invoked from within
  "uplevel #0 [list $w invoke]"
      (procedure "tk::ButtonUp" line 22)
      invoked from within
  "tk::ButtonUp .install"
      (command bound to event)

  I've tried installing the same packages on a Dell XPS 13 and Dell XPS
  15 and they both hang at different moments during the installer, but
  both whilst trying to unpack packages.

  On one computer it stalled when installing the lowlatency kernel and
  on the other it stalled when installing a different package but
  unfortunately I didn't note down which one.

  After about 20 minutes of waiting for the progress bar to complete (it
  didn't) I restarted my computer and everything appears to be working
  but I have no way to be sure.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: ubuntustudio-installer 0.04~19.04.1
  ProcVersionSignature: Ubuntu 5.0.0-23.24-lowlatency 5.0.15
  Uname: Linux 5.0.0-23-lowlatency x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu27.1
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Aug  6 18:12:45 2019
  InstallationDate: Installed on 2018-06-18 (414 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntustudio-installer
  UpgradeStatus: Upgraded to disco on 2019-04-19 (109 days ago)

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