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Sender	Message	Time
28 Mar 2025
bendlas	* I just spent way too much time to find out that `services.xserver.displayManager.startx.enable = true;` prevents gnome sessions from starting. GDM runs normally, but when logging in, throws you right back onto the login screen. This had worked until ~2 weeks ago. I'll try to investigate more, but is anybody else seeing this?	18:46:45
	kevincox left the room.	20:12:34
bendlas	Found it .. ugh https://github.com/NixOS/nixpkgs/pull/388789/files#diff-85a3cd082c968258dd17c4b21073c62e8e195b3ae49bd79e7a89af0694b316c8R105-R111	20:31:04
29 Mar 2025
K900	Question: why do we have multiple builds of the same version of webkitgtk?	05:50:38
K900	I'm building 2.48.0+abi=4.0 and 2.48.0+abi=4.1	05:50:51
K900	And it's all used by source built packages	05:51:15
K900	So why do we have two ABI versions and how do packages decide which one to use?	05:51:30
ghpzin (moved to @ghpzin:envs.net)	It is because of `libsoup2 -> libsoup3` migration that a lot of things never did. https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/development/libraries/webkitgtk/default.nix#L84-L89 From: https://github.com/NixOS/nixpkgs/pull/182618 `- libsoup3 migration ... Processes can only link against one version of the library (even transitively), or there will be symbol clashes!` Aliases now: `webkitgtk_4_0` - gtk3 with libsoup2 `webkitgtk_4_1` - gtk3 with libsoup3 `webkitgtk_6_0` - gtk4 https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/top-level/all-packages.nix#L10440-L10453	07:43:14
ghpzin (moved to @ghpzin:envs.net)	It is because of `libsoup2 -> libsoup3` migration that a lot of things never did. https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/development/libraries/webkitgtk/default.nix#L84-L89 From: https://github.com/NixOS/nixpkgs/pull/182618 `- libsoup3 migration ... Processes can only link against one version of the library (even transitively), or there will be symbol clashes!` https://discourse.gnome.org/t/phodav-transition-notes/10483 Aliases now: `webkitgtk_4_0` - gtk3 with libsoup2 `webkitgtk_4_1` - gtk3 with libsoup3 `webkitgtk_6_0` - gtk4 https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/top-level/all-packages.nix#L10440-L10453	07:44:31
ghpzin (moved to @ghpzin:envs.net)	It is because of `libsoup2 -> libsoup3` migration that a lot of things never did. https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/development/libraries/webkitgtk/default.nix#L84-L89 From: https://github.com/NixOS/nixpkgs/pull/182618 `- libsoup3 migration ... Processes can only link against one version of the library (even transitively), or there will be symbol clashes!` https://discourse.gnome.org/t/phodav-transition-notes/10483 Aliases now: `webkitgtk_4_0` - gtk3 with libsoup2 - `2.48.0+abi=4.0` `webkitgtk_4_1` - gtk3 with libsoup3 - `2.48.0+abi=4.1` `webkitgtk_6_0` - gtk4 - `2.48.0+abi=6.0` https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/top-level/all-packages.nix#L10440-L10453	07:45:48
ghpzin (moved to @ghpzin:envs.net)	It is because of `libsoup2 -> libsoup3` migration that a lot of things never did. https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/development/libraries/webkitgtk/default.nix#L84-L89 From: https://github.com/NixOS/nixpkgs/pull/182618 libsoup3 migration - https://discourse.gnome.org/t/phodav-transition-notes/10483 Processes can only link against one version of the library (even transitively), or there will be symbol clashes! Aliases now: `webkitgtk_4_0` - gtk3 with libsoup2 - `2.48.0+abi=4.0` `webkitgtk_4_1` - gtk3 with libsoup3 - `2.48.0+abi=4.1` `webkitgtk_6_0` - gtk4 - `2.48.0+abi=6.0` https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/top-level/all-packages.nix#L10440-L10453	07:47:31
ghpzin (moved to @ghpzin:envs.net)	It is because of `libsoup2 -> libsoup3` migration that a lot of things never did. https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/development/libraries/webkitgtk/default.nix#L84-L89 From: https://github.com/NixOS/nixpkgs/pull/182618 libsoup3 migration - https://discourse.gnome.org/t/phodav-transition-notes/10483 Processes can only link against one version of the library (even transitively), or there will be symbol clashes! Aliases now: `webkitgtk_4_0` - gtk3 with libsoup2 - `2.48.0+abi=4.0` `webkitgtk_4_1` - gtk3 with libsoup3 - `2.48.0+abi=4.1` `webkitgtk_6_0` - gtk4 - `2.48.0+abi=6.0` https://github.com/NixOS/nixpkgs/blob/10968e9b9f237004f3b27f45581cbb3e481bc270/pkgs/top-level/all-packages.nix#L10440-L10453	07:47:41
K900	God	08:18:45
K900	Why is C	08:18:49
Grimmauld (moving to @grimmauld:grapevine.grimmauld.de)	at what point would it make sense to just yeet the old libsoup2 stuff?	08:27:03
Grimmauld (moving to @grimmauld:grapevine.grimmauld.de)	oh god, libsoup_2_4 has over 3k rebuilds going into gst_plugins_bad via libnice	08:33:23
Jan Tojnar	https://github.com/NixOS/nixpkgs/issues/360897	10:52:52
emily	In reply to @k900:0upti.me So why do we have two ABI versions and how do packages decide which one to use? I think we have three?	12:40:16
emily	the ISO has two of them	12:40:23
emily	ah that was mentioned	12:42:00
Andrew	Not very soon, but that is because I couldn't get the laptop to not heat up after second lock in during the day (I think some notification wake it up every time), so it either dies or I turn it off (otherwise it switches to default settings, which is insane behavior). But during all these days nothing has changed and the RAM usage gets bigger with time. Though the issue is that I still have around 22% RAM left and a ton of swap (and idle CPU), and now any task becomes super sluggish and the OS starts to freeze. Just a few moments ago I was just editing a file in Neovim and boom...now the GUI is frozen and only music is playing like nothing has happened. (The uptime is about 3.3 days.) So I had to hard power off again. Previously when this happened I also had about 75% RAM used, but then it all froze during loading of a web page in Firefox. As a result, there are absolutely no signs of why the system just suffocates over time, as all regular indicators show that it should work just fine. Other than ever growing RAM usage, yet there is still plenty of it left when the GUI freezes indefinitely. Since the music is still playing, I think that it's definitely something to do with gdm/mutter. And I'm on 6.13.7, actually. Cc K900	18:08:28
K900	If you update to latest nixos-unstable, we should have memory allocation accounting enabled by default now	18:09:09
K900	So you can use `/proc/allocinfo` to find out what's using the memory in the kernel	18:09:23
Andrew	Can you explain what it shows?	18:10:08
Andrew	a PID of each process and how much RAM it uses?	18:10:38
K900	https://docs.kernel.org/mm/allocation-profiling.html	18:10:45
Andrew	* a PID of each process and how much RAM it uses (in kernel)?	18:10:47
Andrew	thanks	18:18:05
Andrew	I think I will make a logger for it, so that I can see changes over time.	18:22:30
Andrew	This shows 15.02 GiB while only around 200 MiB is free: `sudo cat /proc/allocinfo \| tail -n +3 \| awk '{print $1}' \| tr '\n' + \| xargs cpc \| numfmt --to iec-i --format '%.2f'` Does this mean that it shows cumulative sum of used+cached memory?	19:27:41

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