Ubuntu bug 1808418 troubleshooting

01-ubuntu-bug-1808418-troubleshooting.md

Resources

• https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt
• https://evilazrael.de/node/401
• https://forums.lenovo.com/t5/Linux-Discussion/T430u-Linux-doesn-t-boot-without-acpi-off/td-p/3470827

To try

• Disable Spectre/Meltdown mitigations
• numa=off

  • Due to weird Calgary/NUMA messages

    Calgary: detecting Calgary via BIOS EBDA area
    Calgary: Unable to locate Rio Grande table in EBDA - bailing!
    

Tried

• earlyprintk=efi,keep
  • Shows some logs before freeze happens
• noapic
  • Boots
  • Possible battery capacity issues
• nolapic
  • Boots, only 1 CPU
  • Possible battery capacity issues
• irqpoll
  • Doesn't boot
• apic=debug
  • Doesn't boot

boot1.png

boot2.png

boot3.png

boot4.png

boot5.png

boot6.png

boot7.png