Thanks Dann, It's very close.
The root cause is somewhere between these commits and e988af01 is just few commits below. 5d0f174e40a6 [email protected] 2019-11-12 19:04:49 +0100 arm64: enable generic CPU vulnerabilites support f94f9d3a3e8b [email protected] 2019-11-12 19:04:49 +0100 arm64: add sysfs vulnerability show for meltdown c288f6b5788d [email protected] 2019-11-12 19:04:48 +0100 arm64: Add sysfs vulnerability show for spectre-v1 f2485ae5fd84 [email protected] 2019-11-12 19:04:48 +0100 arm64: fix SSBS sanitization 1931a913df7e [email protected] 2019-11-12 19:04:48 +0100 KVM: arm64: Set SCTLR_EL2.DSSBS if SSBD is forcefully disabled and !vhe fd872fd82e12 [email protected] 2019-11-12 19:04:48 +0100 arm64: ssbd: Add support for PSTATE.SSBS rather than trapping to EL3 2a3135c3033c [email protected] 2019-11-12 19:04:48 +0100 arm64: cpufeature: Detect SSBS and advertise to userspace 78dc3acb34fa [email protected] 2019-11-12 19:04:48 +0100 arm64: Get rid of __smccc_workaround_1_hvc_* 5c43fb65359d [email protected] 2019-11-12 19:04:48 +0100 arm64: don't zero DIT on signal return c6c07232325a [email protected] 2019-11-12 19:04:48 +0100 arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening 274adba3ccf6 [email protected] 2019-11-12 19:04:47 +0100 arm64: capabilities: Add support for checks based on a list of MIDRs f34e57c35b72 [email protected] 2019-11-12 19:04:47 +0100 arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35 8d811d39465c [email protected] 2019-11-12 19:04:47 +0100 arm64: Add helpers for checking CPU MIDR against a range b2eddaf65384 [email protected] 2019-11-12 19:04:47 +0100 arm64: capabilities: Clean up midr range helpers 628859e8621c [email protected] 2019-11-12 19:04:47 +0100 arm64: capabilities: Change scope of VHE to Boot CPU feature 3bf4ffd98cc4 [email protected] 2019-11-12 19:04:47 +0100 arm64: capabilities: Add support for features enabled early -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1852723 Title: [Regression] Bionic kernel 4.15.0-71.80 can not boot on ThunderX2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852723/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
