[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

I have the same issue with an AMD EPYC 9334 32-core processor. The Problem appears with an upgrade to Ubuntu 22.04.4., already with live ubuntu from a bootstick. Ubuntu 22.04.3 works fine. A fresh install (without updates on OS install) of 22.04.3 runs without problems. After the 1st apt

[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

I have suffered the same issue. I have found that I lost one CPU thread after upgrading amd64-microcode from `3.20191218.1ubuntu1` to `3.20191218.1ubuntu1.2`. Backporting the latest microcode resolves the issue. OS: Ubuntu 20.04.6 LTS Release: 20.04 Kernel: 5.4.0-144-generic CPU: 2x EPYC 9654

[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

I suffered same issue after upgrade kernel. When system boots up with SMT enabled, all good in default kernel (5.15.0-43-generic). But error message occurred after upgrade kernel to 6.2.0. core 192 reported as disabled Attempt to enable it fails, resulting the following messages in dmesg: [

[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-hwe (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe in Ubuntu.

[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

** Attachment added: "enable SMT then check dmesg in OS" https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/2042888/+attachment/5716655/+files/dmesg_smt_enable.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe in

[Kernel-packages] [Bug 2042888] Re: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic.

** Attachment added: "enable SMT then check lscpu in OS" https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/2042888/+attachment/5716654/+files/dmesg_smt_enable.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe in