Thanks Dann, It's very close.
The root cause is somewhere between these commits and e988af01 is just few commits below. 5d0f174e40a6 ykau...@suse.de 2019-11-12 19:04:49 +0100 arm64: enable generic CPU vulnerabilites support f94f9d3a3e8b jeremy.lin...@arm.com 2019-11-12 19:04:49 +0100 arm64: add sysfs vulnerability show for meltdown c288f6b5788d ykau...@suse.de 2019-11-12 19:04:48 +0100 arm64: Add sysfs vulnerability show for spectre-v1 f2485ae5fd84 mark.rutl...@arm.com 2019-11-12 19:04:48 +0100 arm64: fix SSBS sanitization 1931a913df7e will.dea...@arm.com 2019-11-12 19:04:48 +0100 KVM: arm64: Set SCTLR_EL2.DSSBS if SSBD is forcefully disabled and !vhe fd872fd82e12 will.dea...@arm.com 2019-11-12 19:04:48 +0100 arm64: ssbd: Add support for PSTATE.SSBS rather than trapping to EL3 2a3135c3033c will.dea...@arm.com 2019-11-12 19:04:48 +0100 arm64: cpufeature: Detect SSBS and advertise to userspace 78dc3acb34fa marc.zyng...@arm.com 2019-11-12 19:04:48 +0100 arm64: Get rid of __smccc_workaround_1_hvc_* 5c43fb65359d mark.rutl...@arm.com 2019-11-12 19:04:48 +0100 arm64: don't zero DIT on signal return c6c07232325a shank...@codeaurora.org 2019-11-12 19:04:48 +0100 arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening 274adba3ccf6 suzuki.poul...@arm.com 2019-11-12 19:04:47 +0100 arm64: capabilities: Add support for checks based on a list of MIDRs f34e57c35b72 suzuki.poul...@arm.com 2019-11-12 19:04:47 +0100 arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35 8d811d39465c suzuki.poul...@arm.com 2019-11-12 19:04:47 +0100 arm64: Add helpers for checking CPU MIDR against a range b2eddaf65384 suzuki.poul...@arm.com 2019-11-12 19:04:47 +0100 arm64: capabilities: Clean up midr range helpers 628859e8621c suzuki.poul...@arm.com 2019-11-12 19:04:47 +0100 arm64: capabilities: Change scope of VHE to Boot CPU feature 3bf4ffd98cc4 suzuki.poul...@arm.com 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 Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1852723 Title: [Regression] Bionic kernel 4.15.0-71.80 can not boot on ThunderX2 Status in linux package in Ubuntu: Invalid Status in linux source package in Bionic: Confirmed Bug description: Tested on bionic GA 4.15.0-70-generic 4.15.0-71-generic and also HWE 5.0.0-37-generic 5.3.0-23-generic Only 4.15.0-71-generic can not boot on Cavium ThunderX2 On console nothing after EFI messages. Loading Linux 4.15.0-71-generic ... Loading initial ramdisk ... EFI stub: Booting Linux Kernel... EFI stub: EFI_RNG_PROTOCOL unavailable, no randomness supplied EFI stub: Using DTB from configuration table EFI stub: Exiting boot services and installing virtual address map... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852723/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp