dmesg shows watchdog: BUG: soft lockup - CPU#0 stuck for 22s! and useful looking trace.
Could you test newest upstream kernel (5.7-rc2) from https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874104 Title: Very slow boot, wake from sleep and shutdown with 5.4 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874104/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
