On 2022-06-24 15:57:22 +0200, Vincent Lefevre wrote: > On 2022-05-25 20:43:50 +0200, Yves-Alexis Perez wrote: > > I don't think there's really code in the display manager to specifically > > handle keyboards, I'd assume it's in the X part, but I might be wrong. > > The issue could also be in the X server, e.g. in case of a race condition > whose effects appeared after the upgrade to systemd 251-2.
Well, the X server is not the cause. As said in the Xorg logs: The server relies on udev to provide the list of input devices. And the logs show that before the upgrade to systemd 251, the delay was less than 2 seconds, while after the upgrade to systemd 251, the delay is now 4 - 7 seconds. Before: [ 14.784] X.Org X Server 1.21.1.3 [ 16.597] (II) config/udev: Adding input device DELL Dell USB Entry Keyboard (/dev/input/event2) [ 15.005] X.Org X Server 1.21.1.3 [ 16.818] (II) config/udev: Adding input device DELL Dell USB Entry Keyboard (/dev/input/event2) After: [ 11.999] X.Org X Server 1.21.1.3 [ 15.909] (II) config/udev: Adding input device DELL Dell USB Entry Keyboard (/dev/input/event2) [ 7.688] X.Org X Server 1.21.1.3 [ 14.644] (II) config/udev: Adding input device DELL Dell USB Entry Keyboard (/dev/input/event2) Is the kernel stressed because systemd now starts too many services in parallel? -- Vincent Lefèvre <[email protected]> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
