UML not coming up on "INTEL(R) XEON(R) GOLD 6542Y"

[Benjamin Berg]

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.
>