Chinese Input Method keeps crashing on X58 machine

[staritbusfans]

Hello all,

 

After several hours working, my "ancient" hackintosh build works fine except this problem.

Keep getting this in my system.log while typing in Chinese:

Feb 13 00:21:20 iMac-Home com.apple.xpc.launchd[1] (com.apple.inputmethod.SCIM[1471]): Service exited due to SIGILL | sent by exc handler[1471]
Feb 13 00:21:20 iMac-Home com.apple.xpc.launchd[1] (com.apple.inputmethod.SCIM[1472]): Service exited due to SIGILL | sent by exc handler[1472]
Feb 13 00:21:22 iMac-Home com.apple.xpc.launchd[1] (com.apple.inputmethod.SCIM[1473]): Service exited due to SIGILL | sent by exc handler[1473]

See this in Crash Report:

 

First part of Detailed report:

Process:               SCIM_Extension [3620]
Path:                  /System/Library/Input Methods/SCIM.app/Contents/PlugIns/SCIM_Extension.appex/Contents/MacOS/SCIM_Extension
Identifier:            com.apple.inputmethod.SCIM
Version:               104 (449)
Build Info:            ChineseIM-449000000000000~1174
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           SCIM_Extension [3620]
User ID:               501

Date/Time:             2020-02-12 23:40:24.139 +0800
OS Version:            Mac OS X 10.15.3 (19D76)
Report Version:        12
Anonymous UUID:        F074C2E8-F3D0-8140-BAD8-99597A6FC80B


Time Awake Since Boot: 17000 seconds

System Integrity Protection: disabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes:       0x0000000000000001, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Illegal instruction: 4
Termination Reason:    Namespace SIGNAL, Code 0x4
Terminating Process:   exc handler [3620]

I tried 10.15.2 10.15.3 10.15.4DP. (Clean Installation: Wipe everything+MAS image) No luck.

10.14.x- are not affected.

 

Actually, Apple dropped support of MacPro 5,1 which has same CPU architecture as mine in macOS Catalina.

I searched for "EXC_BAD_INSTRUCTION (SIGILL)". I wonder if my CPU's ancient architecture is to blamed.

Anyone have a solution?

 

P.S. Sorry for my poor English.