Adding my $0.02, whatever it is worth. I ran into this on a RamNode VPS. downgrading to 4.15.0-20-generic made it boot again. Attaching dmesg from that machine. $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Xeon(R) CPU E3-1240 V2 @ 3.40GHz stepping : 9 microcode : 0x1 cpu MHz : 3400.022 cache size : 4096 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx lm constant_tsc arch_perfmon nopl cpuid pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm pti fsgsbase smep xsaveopt ibpb ibrs stibp bugs : cpu_meltdown spectre_v1 spectre_v2 bogomips : 6800.04 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management:
** Attachment added: "dmesg output" https://bugs.launchpad.net/ubuntu/+bug/1779827/+attachment/5213740/+files/dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1779827 Title: failure to boot with linux-image-4.15.0-24-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1779827/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
