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【DM版本】:dm8_20260817_x86_Ubuntu22_64
【操作系统】：Ubuntu 22.04.3 LTS
【CPU】:Intel Xeon Gold 6148
【问题描述】*：实例初始化失败。
环境：
京东云 KVM 虚拟机
Ubuntu 22.04.3 LTS，内核 5.15.0-60-generic，x86_64
CPU 显示 Intel Xeon Gold 6148
CPU flags 包含 pclmulqdq、avx2、avx512f，但不包含 vpclmulqdq

安装介质：
dm8_20260817_x86_Ubuntu22_64.iso

故障：
dminit 在创建 redo 日志时触发 SIGILL。
三次崩溃的指令地址相对内核日志所示库映射起点均为 0xd679。

GDB 定位：
libdmutl.so
utl_calc_crc32c_512bits+649
机器码：62 d3 25 48 44 cd 00
指令：vpclmullqlqdq %zmm13,%zmm11,%zmm1

root@lavm-5v4t87e28h:~# getconf LONG_BIT
64
root@lavm-5v4t87e28h:~# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 46 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vendor ID: GenuineIntel
Model name: Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz
CPU family: 6
Model: 85
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1
Stepping: 4
BogoMIPS: 4788.73
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx
pdpe1gb rdtscp lm constant_tsc arch_perfmon rep_good nopl xtopology cpuid tsc_known_freq pni pclmulqdq vmx ssse3 fm
a cx16 pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm
abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad
fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap clflushopt clwb a
vx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves arat umip pku ospke md_clear arch_capabilities
Virtualization features:
Virtualization: VT-x
Hypervisor vendor: KVM
Virtualization type: full
Caches (sum of all):
L1d: 128 KiB (4 instances)
L1i: 128 KiB (4 instances)
L2: 8 MiB (2 instances)
L3: 16 MiB (1 instance)
NUMA:
NUMA node(s): 1
NUMA node0 CPU(s): 0-3
Vulnerabilities:
Itlb multihit: Not affected
L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable
Mds: Mitigation; Clear CPU buffers; SMT Host state unknown
Meltdown: Mitigation; PTI
Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown
Retbleed: Mitigation; IBRS
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Spectre v2: Mitigation; IBRS, IBPB conditional, RSB filling, PBRSB-eIBRS Not affected
Srbds: Not affected
Tsx async abort: Mitigation; Clear CPU buffers; SMT Host state unknown