Spectre segmentation fault

Dear Cadence support,

we encountered a problem with our new computing server (please see specs below) during Spectre simulation. When we use 64 GB (2x32 GB) RAM memory, spectre simulation is running without any problem. When we enhance RAM to 128 GB (4x32 GB), spectre will stop with a segmentation fault (log attached). Thank you for any advice how to resolve this problem.

HW:

• Motherboard: ASUS PRIME Z590-P

• Processor: Intel i9 11900K

• RAM: G.Skill Trident Z Neo 128GB (4x32GB) 3200 MHz (F4-3200C16Q-128GTZN)
  compatible with motherboard according to the official data sheet: https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-Z590-P/HelpDesk_QVL_Memory/

• SSD: WD Black SN850 NVMe 2TB (WDS200T1X0E)

OS:

• RHEL 7,8

• Kernel 4.18.0-372.13.1.el8_6.x86_64

• Cadence & relevant tools (not sure ...)

We have tried the following RAM types with the same result:

• G.Skill Trident Z Neo 128GB (4x32GB) 3200 MHz (F4-3200C16Q-128GTZN)
  compatible with motherboard according to the official data sheet: https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-Z590-P/HelpDesk_QVL_Memory/

• G.Skill Ripjaws V Black 128GB(4x32GB) 3200MHz (F4-3200C16Q-128GVK).

log file:

**************************************************
Transient Analysis `tran': time = (0 s -> 1.025 s)
**************************************************
Finding DC approximate solution failed with try_fast_op=yes, continue running with try_fast_op=no.
Trying `homotopy = gmin' for initial conditions.

Internal error found in spectre during IC analysis, during transient analysis `tran'.
    FATAL (SPECTRE-18): Segmentation fault. Encountered a critical error during simulation. Run `mmsimpack' (see mmsimpack -h for detailed usage information) to package the netlist and log files as a compressed tar file. Then, contact your Cadence representative or submit a service request via Cadence Online Support, including the tar file and any other information that could help identify the problem. Encountered a critical error during simulation. Run `mmsimpack' (see mmsimpack -h for detailed usage information) to package the netlist and log files as a compressed tar file. Then, contact your Cadence representative or submit a service request via Cadence Online Support, including the tar file and any other information that could help identify the problem.

Version 21.1.0.132.isr1 64bit -- 11 Sep 2021

****ASSERTION STACK****
        0x649a013
        0x8861ac
        0x887107
        0x7f81984d5ce0
        0x1df8480
        0x1e0e679
        0x14ff97f
        0x17cc59a
        0x1beea71
        0x4dc4fbc
        0x4dc5188
        0x4dc5459
        0x7f81984cb1cf
        0x7f8197983dd3

****LIBRARIES****
        spectre/bin/64bit/spectre [0x400000]
        /lib64/libpthread.so.0 [0x7f81984c3000]
        /lib64/libc.so.6 [0x7f819794a000]