[Nix-dev] Where to start when nixos-rebuild switch --upgrade goes wrong

[zimbatm]

I usually try to look at the recent changes to find out what might gotten
wrong, both in the configuration.nix and nixpkgs. Unfortunately I don't
know of a tool that could provide that diff between two generations so I
usually stick to one change at a time.

On Fri, 10 Jun 2016, 01:48 Evan Rowley, <rowley.evan at gmail.com> wrote:

> Hi Everyone,
>
> I performed a nixos-rebuild switch --upgrade and after rebooting, was
> not able to see my usual KDE session. There was no X session. I
> selected a previous generation in gummiboot and was able to have my
> KDE session back. What can I do about the upgraded components which
> did not work? I could issue a nixos-rebuild switch --rollback, but
> would the development community benefit from finding out what went
> wrong? This is a very rudimentary and unsophisticated NixOS
> installation. Aside from the failed upgrade, nothing out of the
> ordinairy has been done to it.
>
> configuration.nix:
>
> { config, pkgs, ... }:
>
> {
>   imports =
>     [ # Include the results of the hardware scan.
>       ./hardware-configuration.nix
>     ];
>
>   # Use the gummiboot efi boot loader.
>   boot.loader.gummiboot.enable = true;
>   boot.loader.efi.canTouchEfiVariables = true;
>
>   networking.hostName = "ejr-e465"; # Define your hostname.
>   networking.wireless.enable = true;  # Enables wireless support via
> wpa_supplicant.
>
>   # Select internationalisation properties.
>   i18n = {
>     consoleFont = "Lat2-Terminus16";
>     consoleKeyMap = "us";
>     defaultLocale = "en_US.UTF-8";
>   };
>
>   # Set your time zone.
>   time.timeZone = "America/New_York";
>
>   # List packages installed in system profile. To search by name, run:
>   # $ nix-env -qaP | grep wget
>   environment.systemPackages = with pkgs; [
>     wget
>     vim
>     pkgs.kde4.kdemultimedia
>     pkgs.kde4.kdegraphics
>     pkgs.kde4.kdeutils
>     pkgs.kde4.applications
>     pkgs.kde4.kdebindings
>     pkgs.kde4.kdeaccessibility
>     pkgs.kde4.kde_baseapps
>     pkgs.kde4.kactivities
>     pkgs.kde4.kdeadmin
>     pkgs.kde4.kdeartwork
>     pkgs.kde4.kde_base_artwork
>     pkgs.kde4.kdenetwork
>     pkgs.kde4.kdepim
>     pkgs.kde4.kdepimlibs
>     pkgs.kde4.kdeplasma_addons
>     pkgs.kde4.kdesdk
>     pkgs.kde4.kdetoys
>     pkgs.kde4.kdewebdev
>     pkgs.kde4.oxygen_icons
>     pkgs.kde4.kdebase_workspace
>     pkgs.kde4.kdelibs
>     pkgs.kde4.kdevelop
>     pkgs.kde4.kdevplatform
>   ];
>
>   # List services that you want to enable:
>
>   # Enable the OpenSSH daemon.
>   # services.openssh.enable = true;
>
>   # Enable CUPS to print documents.
>   # services.printing.enable = true;
>
>   # Enable the X11 windowing system.
>   services.xserver.enable = true;
>   services.xserver.layout = "us";
>   #services.xserver.xkbOptions = "eurosign:e";
>
>   # Enable the KDE Desktop Environment.
>   services.xserver.displayManager.kdm.enable = true;
>   services.xserver.desktopManager.kde4.enable = true;
>
>   fonts = {
>     enableFontDir = true;
>     enableGhostscriptFonts = true;
>     fonts = with pkgs; [
>       corefonts  # Micrsoft free fonts
>       inconsolata  # monospaced
>     ];
>   };
>
>   users.extraUsers.ejr = {
>     name = "ejr";
>     group = "users";
>     uid = 1001;
>     createHome = true;
>     home = "/home/ejr";
>     useDefaultShell = true;
>     description = "Evan Johannes Rowley";
>     password = "password";
>     extraGroups = [
>       "wheel"
>       "libvirtd"
>       "audio"
>       "kvm"
>       "cdrom"
>       "docker"
>     ];
>   };
>
> # release to be compatible with for stateful data such as databases.
>   system.stateVersion = "16.03";
>
>   system.autoUpgrade.enable = true;
>   system.autoUpgrade.channel = https://nixos.org/channels/nixos-16.03;
> }
>
> --
>  - EJR
> _______________________________________________
> nix-dev mailing list
> nix-dev at lists.science.uu.nl
> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>
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