saw this message (different package, different non(?)-hex string) during todays update - but using pikaur. So, mybe not related to yay/pikaur (pacman not tested) and certain package.
Ciao,
Photor
PS: ignored that message (observe status) and still running the machine - seems to work.
(6/7) Reloading GVFS config...
pkill: not a hex string: fffffffd7fc1eeff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1eeff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffdffc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: fffffffd7fc1feff
pkill: not a hex string: ffffffff80012ecb
pkill: not a hex string: fffffffd7fc1feff
(7/7) Checking which packages need to be rebuilt
The hook is meant to reload the GVFS configuration after the installation, upgrade, or removal of any package that affects files in the usr/share/gvfs/ directory by signaling the gvfsd process. However, due to an upstream change there is currently a bug in procps which causes pkill to incorrectly parse numeric input as base 17 instead of base 16 (that’s what causes the “not a hex string” message).
Here is the relevant issue for that:
See also this issue:
Since the hook is not working correctly, probably gvfsd is not getting restarted as intended when these files are updated and should be restarted manually if needed.
TL;DR: It’s probably fine to just ignore these error messages. If anyone has issues accessing files or using the file manager after updating grvs and seeing these error messages, restarting the computer should get things back to normal.