Hi, if it is really only on that CPU, then maybe it is related to AMX support? Though, not sure how exactly that might be affecting PTRACE_{S,G}ETFPREGS on x86_64.
Benjamin On Mon, 2024-09-16 at 13:09 +0000, Vijay Tandeker wrote: > > > Hi, thanks to all for helping me in the past. I need one more help. > Getting the below error on running UML: > --------------------------------------------------------------------- > ------------------------- > Run /sbin/init as init process > userspace - ptrace set fp regs failed, errno = 14 > Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > CPU: 0 PID: 1 Comm: init Not tainted 6.8.9-1 #1 > --------------------------------------------------------------------- > ------------------------- > > Searched on the internet but didn't find any solution. Any idea, what > could be the reason for the above error? Below are my UML details: > 1) root-fs: created by running the command: “debootstrap --arch=amd64 > noble /tmp http://archive.ubuntu.com/ubuntu/” > 2) Linux: created by running the command: "ARCH=um make -j$(nproc)" > on linux-6.8.9 using defconfig. > 3) Attached file <uml_crash>: logs on running the UML > 4) Attached file <system_info>: my host system details > 5) INTEL(R) XEON(R) GOLD 6542Y > 6) RAM: 256 GB > 7) Ubuntu 24.04.1 LTS > > Please let me know if you need more information. >