使用 Real Time 内核的系统出现崩溃，带有 "Kernel panic - not syncing: RCU Stall" 错误信息

Issue

• 内存出现问题（panic），在控制台中带有以下信息：

Kernel panic - not syncing: RCU Stall
PID: 425416  TASK: ffff8b257ca8d3c0  CPU: 40  COMMAND: XXXXXXXXXXXXXXXXX
#0 [ffff8b1d9df09e40] crash_nmi_callback at ffffffff83245e57
#1 [ffff8b1d9df09e50] nmi_handle at ffffffff8395f8e4
#2 [ffff8b1d9df09ea8] do_nmi at ffffffff8395fafd
#3 [ffff8b1d9df09ef0] end_repeat_nmi at ffffffff8395ed39
[exception RIP: generic_exec_single+0xfa]
RIP: ffffffff83306d6a  RSP: ffff8b24eb39fb20  RFLAGS: 00000202
RAX: ffff8b0e2df73c00  RBX: ffff8b24eb39fb20  RCX: ffff8b0e2df73c30
RDX: ffff8b359be1cb40  RSI: ffff8b24eb39fb20  RDI: ffff8b24eb39fb20
RBP: ffff8b24eb39fb68   R8: 0000000000000001   R9: 000000055076903e
R10: fffff70944138980  R11: 0000000000000000  R12: 0000000000000014
R13: 0000000000000001  R14: 0000000000000001  R15: ffff8b24eb39fbf8
ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000
--- <NMI exception stack> ---
#4 [ffff8b24eb39fb20] generic_exec_single at ffffffff83306d6a
#5 [ffff8b24eb39fb70] smp_call_function_single at ffffffff83306e92
#6 [ffff8b24eb39fba8] smp_call_function_many at ffffffff833074ca
#7 [ffff8b24eb39fbf0] native_flush_tlb_others at ffffffff8326abe8
[...]