| 描述 | [缺陷描述]：
兆芯环境从原 4.19.91-23.4 版本的kernel升级到 5.10.84-10_rc1 后 ， crash无法正常解析vmcore
[期望结果]：
crash可以正常解析vmcore
[实际结果]：
crash无法正常解析vmcore，如下：
# crash /usr/lib/debug/usr/lib/modules/5.10.84-10_rc1.an8.x86_64/vmlinux vmcore
crash 7.2.9-2.an8
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GNU gdb (GDB) 7.6
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WARNING: kernel relocated [80MB]: patching 120057 gdb minimal_symbol values
KERNEL: /usr/lib/debug/usr/lib/modules/5.10.84-10_rc1.an8.x86_64/vmlinux
DUMPFILE: vmcore [PARTIAL DUMP]
CPUS: 16
DATE: Wed Dec 29 15:40:58 CST 2021
UPTIME: 00:22:44
LOAD AVERAGE: 0.51, 0.66, 0.41
TASKS: 643
NODENAME: localhost.localdomain
RELEASE: 5.10.84-10_rc1.an8.x86_64
VERSION: #1 SMP Tue Dec 21 13:16:24 CST 2021
MACHINE: x86_64 (2694 Mhz)
MEMORY: 128 GB
PANIC:
crash: cannot determine length of symbol: log_end
[重现概率]
必现
[重现环境]
兆芯机器， x86_64
OS：Anolis OS release 8.4
KERNEL:
升级前4.19.91-23.4.an8.x86_64
升级后 4.19.91-25.rc1.an8.x86_64
# rpm -qa | grep kernel
kernel-tools-4.19.91-23.4.an8.x86_64
kernel-debuginfo-common-x86_64-5.10.84-10_rc1.an8.x86_64
kernel-4.19.91-23.4.an8.x86_64
kernel-5.10.84-10_rc1.an8.x86_64
kernel-modules-5.10.84-10_rc1.an8.x86_64
kernel-headers-5.10.84-10_rc1.an8.x86_64
kernel-devel-5.10.84-10_rc1.an8.x86_64
kernel-modules-4.19.91-23.4.an8.x86_64
kernel-tools-libs-4.19.91-23.4.an8.x86_64
kernel-debuginfo-5.10.84-10_rc1.an8.x86_64
kernel-core-4.19.91-23.4.an8.x86_64
kernel-core-5.10.84-10_rc1.an8.x86_64
# rpm -qa | grep -E "crash|kexec-tools"
crash-ptdump-command-1.0.7-1.an8.x86_64
crash-7.2.9-2.an8.x86_64
kexec-tools-2.0.21-1.2.an8.x86_64
crash-gcore-command-1.6.0-1.an8.x86_64
crash-trace-command-2.0-18.an8.x86_64
# cat /proc/cmdline
BOOT_IMAGE=(hd3,gpt2)/vmlinuz-5.10.84-10_rc1.an8.x86_64 root=/dev/mapper/ao-root ro resume=/dev/mapper/ao-swap rd.lvm.lv=ao/root rd.lvm.lv=ao/swap rhgb quiet crashkernel=0M-2G:0M,2G-256G:256M,256G-1024G:320M,1024G-:384M
# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 16
On-line CPU(s) list: 0-15
Thread(s) per core: 1
Core(s) per socket: 8
Socket(s): 2
NUMA node(s): 2
Vendor ID: CentaurHauls
CPU family: 7
Model: 59
Model name: ZHAOXIN KaiSheng KH-37800D@2.7GHz
Stepping: 14
CPU MHz: 2700.000
CPU max MHz: 2700.0000
CPU min MHz: 1200.0000
BogoMIPS: 5389.11
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 4096K
NUMA node0 CPU(s): 0-7
NUMA node1 CPU(s): 8-15
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon rep_good nopl xtopology nonstop_tsc cpuid pni pclmulqdq monitor vmx smx est tm2 ssse3 cx16 xtpr pcid sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand rng rng_en sm3 sm4 sm3_en sm4_en ace ace_en ace2 phe phe_en pmm pmm_en parallax rng2 rng2_en phe2 phe2_en rsa rsa_en lahf_lm abm 3dnowprefetch invpcid_single ibrs ibpb tpr_shadow vnmi ept vpid fsgsbase tsc_adjust bmi1 smep bmi2 invpcid rdseed adx sha_ni xsaveopt dtherm ida umip arch_capabilities |
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