diff --git a/todo.md b/todo.md
index 11f7f37..fc1aa55 100644
--- a/todo.md
+++ b/todo.md
@@ -4,4 +4,9 @@
   - [PR #311362](https://github.com/NixOS/nixpkgs/pull/311362)
 - [ ] figure out why dunst notifications are so large
 
+- [ ] monitor the presence of these kernel messages on `othalan`,
+      possibly resolved with latest kernel, see above
+      | kernel: ucsi_acpi USBC000:00: possible UCSI driver bug 2
+      | kernel: ucsi_acpi USBC000:00: error -EINVAL: PPM init failed
+
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