| 27 Dec 2025 |
|  pinpox changed their display name from pinpox to pinpox [DECT: 7479]. | 12:01:35 |
|  jasper changed their display name from jappie @ 39c3 to jasper @ 39c3 ☎️ 62749. | 13:30:50 |
|  matthewcroughan changed their display name from matthewcroughan to matthewcroughan @ 39c3 (DECT 94667 or 97340 or 67192). | 14:35:24 |
 Nagasaki | Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:
Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
Reason: builder failed with exit code 1.
Output paths:
/nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
Last 2 log lines:
> Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
> Can not derive a closure of kernel modules because no modules were provided.
For full logs, run:
nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv```
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
./disk.nix
];
boot = {
initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
initrd.kernelModules = [ ];
kernelModules = [ "kvm-intel" ];
kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
extraModulePackages = [ ];
loader.grub.efiSupport = lib.mkDefault true;
loader.grub.efiInstallAsRemovable = lib.mkDefault true;
};
swapDevices = [ ];
networking.useDHCP = lib.mkDefault true;
nix.settings.trusted-users = [ "admin"];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
| 14:54:53 |
| Nagasaki | * Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:
Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
Reason: builder failed with exit code 1.
Output paths:
/nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
Last 2 log lines:
> Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
> Can not derive a closure of kernel modules because no modules were provided.
For full logs, run:
nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
```
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
./disk.nix
];
boot = {
initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
initrd.kernelModules = [ ];
kernelModules = [ "kvm-intel" ];
kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
extraModulePackages = [ ];
loader.grub.efiSupport = lib.mkDefault true;
loader.grub.efiInstallAsRemovable = lib.mkDefault true;
};
swapDevices = [ ];
networking.useDHCP = lib.mkDefault true;
nix.settings.trusted-users = [ "admin"];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
| 14:55:08 |
| Nagasaki | * Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:
Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
Reason: builder failed with exit code 1.
Output paths:
/nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
Last 2 log lines:
> Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
> Can not derive a closure of kernel modules because no modules were provided.
For full logs, run:
nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
```
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
./disk.nix
];
boot = {
initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
initrd.kernelModules = [ ];
kernelModules = [ "kvm-intel" ];
kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
extraModulePackages = [ ];
loader.grub.efiSupport = lib.mkDefault true;
loader.grub.efiInstallAsRemovable = lib.mkDefault true;
};
swapDevices = [ ];
networking.useDHCP = lib.mkDefault true;
nix.settings.trusted-users = [ "admin"];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
| 14:55:22 |
| Nagasaki | * Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:
Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
Reason: builder failed with exit code 1.
Output paths:
/nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
Last 2 log lines:
> Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
> Can not derive a closure of kernel modules because no modules were provided.
For full logs, run:
nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
./disk.nix
];
boot = {
initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
initrd.kernelModules = [ ];
kernelModules = [ "kvm-intel" ];
kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
extraModulePackages = [ ];
loader.grub.efiSupport = lib.mkDefault true;
loader.grub.efiInstallAsRemovable = lib.mkDefault true;
};
swapDevices = [ ];
networking.useDHCP = lib.mkDefault true;
nix.settings.trusted-users = [ "admin"];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
| 14:55:32 |
| Nagasaki | * Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:
Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
Reason: builder failed with exit code 1.
Output paths:
/nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
Last 2 log lines:
> Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
> Can not derive a closure of kernel modules because no modules were provided.
For full logs, run:
nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
./disk.nix
];
boot = {
initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
initrd.kernelModules = [ ];
kernelModules = [ "kvm-intel" ];
kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
extraModulePackages = [ ];
loader.grub.efiSupport = lib.mkDefault true;
loader.grub.efiInstallAsRemovable = lib.mkDefault true;
};
swapDevices = [ ];
networking.useDHCP = lib.mkDefault true;
nix.settings.trusted-users = [ "admin"];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
I can still create VMs with the exact same configuration, but only changing the nixpkgs version in system.stateVersion and in the flake input url for the packages.
| 14:56:44 |
 not-jack | hello, can someone explain to me why a zfs dataset has: type = "gpt"? | 16:34:13 |
 lassulus | it's the partition table below the zpool | 16:53:41 |
| 28 Dec 2025 |
 ed209 | how do I specify a branch in this command? nix run 'github:nix-community/disko/latest#disko-install' -- --flake git+https://git@my.repo/nix-config#hostname | 13:52:29 |
| ed209 | I'm using a main branch and it seems to only check master | 13:52:40 |
| ed209 | if it was github, I'd know how | 13:52:57 |
| ed209 | lol i see the problem lol, i've got the ssh syntax but trying https | 13:55:35 |
| ed209 | oof size large | 13:55:38 |
|  Shop Smart: Shop S-Mart changed their display name from food style edible product to Shop Smart: Shop S-Mart. | 17:36:12 |
|  azahi left the room. | 23:08:03 |
| 30 Dec 2025 |
|  vicgeentor changed their display name from vicnotor to vicgeentor. | 11:20:11 |
|  toph joined the room. | 19:21:32 |
|  zimward changed their display name from zimward @ 39c3 ☎️ 75947 to zimward. | 23:39:00 |
| jasper changed their display name from jasper @ 39c3 ☎️ 62749 to jasper. | 23:38:40 |
| jasper | 23:40:10 |
| 1 Jan 2026 |
| pinpox changed their display name from pinpox [DECT: 7479] to pinpox. | 00:26:44 |
| matthewcroughan changed their display name from matthewcroughan @ 39c3 (DECT 94667 or 97340 or 67192) to matthewcroughan. | 19:51:41 |
| 2 Jan 2026 |
|  belak joined the room. | 07:10:59 |
| belak | Does the name of luks partitions need to be unique? | 07:33:10 |
| belak | Specifically the nesting of drive -> luks/lvm_pv -> lvm_vg -> partition is pretty frustrating, and naming is really confusing so I'm having a hard time following it...
Like if I have main (drive) -> crypted (maybe crypted-main or luks-main if it needs to be unique) -> main (maybe vg-main if it needs to be unique) -> root and storage (drive) -> crypted (maybe crypted-storage or luks-storage) -> storage (or vg-storage) -> data
This works, but there's a lot of duplication and the structure is relatively unclear unless you really dig into it.
Is there a better way to do that or best practices around luks?
| 07:34:23 |
| belak | Playing around with it and using :lf . to experiment, yes - luks names need to be unique | 08:00:50 |
| belak | I also prefixed my vg's with vg- because they end up as /dev/vg-main/root | 08:01:37 |
| ed209 | In reply to @belak:matrix.org
Playing around with it and using :lf . to experiment, yes - luks names need to be unique yeah i was gonna say the name ends up in /dev/mapper/<name> | 12:47:36 |
