Some more data points: An m1.small instance running a Xenial AMI (with linux-aws-xenial) works fine in cn-north-1.
An m1.small instance running the same kernel works fine in us-west-2. The Xen hypervisor version for m1.small in cn-north-1 differs from us-west-2: us-west-2: [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Xen HVM domU, BIOS 4.2.amazon 08/24/2006 [ 0.000000] Hypervisor detected: Xen HVM [ 0.000000] Xen version 4.2. cn-north-1: [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Xen HVM domU, BIOS 3.4.3.amazon 11/11/2016 [ 0.000000] Hypervisor detected: Xen [ 0.000000] Xen version 3.4. ** Changed in: linux-aws (Ubuntu Bionic) Assignee: (unassigned) => Kamal Mostafa (kamalmostafa) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1771679 Title: Kernel panic on boot (m1.small in cn-north-1) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/1771679/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs