Ubuntu 20.04 hangs on reboot to runlevel 3
36547
How do I change the runlevel on systemd?
123992
Ubuntu desktop hangs occasionally during regular use
82954
Boot hangs for 30 seconds at "Begin: Running /scripts/local-premount"
82122
ClamAV : freshclam hangs and uses 100% CPU
5602
Boot drops to a (initramfs) prompts/busybox
115493
How do I diagnose Hang on Shutdown?
26093
Ubuntu halts after few seconds of starting and nothing works command, virtual terminal, GUI
155511
Unable to run a 32-bit program on 64-bit VM
114595
Ubuntu hangs after replugging the modem
115563
Windows stuck in reboot loop due to existing Scheduled Task
92733
Alt + sysrq + REISUB doesn't reboot my laptop
6915
NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [plymouthd:305]
9955
Front end freezes on start-up
116997
System freezes after logging in after one failed attempt
80404
Blender hangs for a minute
93063
Ubuntu 18.04 hangs on booting with message "started user manager for uid 120" on Asus 1015PX
85077
How can I tell, from the command line, whether the machine requires a reboot?