Alyssa Ross <hi@alyssa.is> writes:

> Bisected to the following range:
>
> 1e9c681 lib/nixpkgs.default.nix: update to nixos-unstable-small
> f41b4ab tools: move lsvm out of subdirectory
> 5ad749b tools: enable clippy::ptr-as-ptr lint
> a4d7aa9 tools: enable clippy::map-unwrap-or lint
> 3451250 host/rootfs: group VMM-backing services
> 99f09ab pkgs: remove dbus overlay
>
> Most likely something in the Nixpkgs upgrade.  Needs further bisection.

1e9c6812b7497743a8473d5eb327c26c53cfbef2 is the first bad commit
commit 1e9c6812b7497743a8473d5eb327c26c53cfbef2
Author: Alyssa Ross <hi@alyssa.is>
Date:   Sat Nov 22 13:13:28 2025 +0100

    lib/nixpkgs.default.nix: update to nixos-unstable-small
    
    Signed-off-by: Alyssa Ross <hi@alyssa.is>

 lib/nixpkgs.default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

So needs a Nixpkgs bisect.

> To reproduce:
>
> cd host/rootfs
> nix-shell --run 'make clean && make run'
> View → virtiocon0
> Wait for kernel messages to finish
> Try typing, see that backspace doesn't work