I'm having the exact same issue after upgrading to the 6.11 kernel (suspending works fine but on wake up: fans spin up, keyboard LEDs turn on, screen stays black, no messages in the journal, machine doesn't appear in the network).
Hardware information: Lenovo ThinkPad T14 Gen 1, AMD Ryzen 7 PRO 4750U with Radeon Graphics -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2084252 Title: 6.11.0-8-generic: system fails to wake up from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2084252/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
