multi_cpu_stop

2025-04-12 08:16:18

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multi_cpu_stop+0x7f 中的软锁定 - Red Hat Customer Portal

VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 06/22/2012 kernel: task: ffff880184d43ec0 ti: ffff880184d70000 task.ti: ffff880184d70000 kernel: RIP: 0010:[<ffffffff8111613f>] [<ffffffff8111613f>] multi_cpu_stop+0x7f/0xf0 kernel: RSP: 0000:ffff880184d73da0 EFLAGS...
Soft lockup in multi_cpu_stop+0x7f - Red Hat Customer Portal

[<ffffffff8111613f>] multi_cpu_stop+0x7f/0xf0 kernel: RSP: 0000:ffff880184d73da0 EFLAGS: 00000293 kernel: RAX: ffffffff816b19a0 RBX: ffff88023529ce70 RCX: dead000000000200 kernel: RDX: 0000000000000001 RSI: 0000000000000286 RDI: ffff880343203b70 kernel: RBP: ffff880184d73dc0 R08: ...
Kernel Panic in ueknano kernel - exception RIP: multi_cpu_stop

/usr/src/debug/kernel-4.1.12/linux-4.1.12-61.33.1.el6uek/kernel/stop_machine.c: 208 #10 [ffff887f64cc3db0] cpu_stopper_thread at ffffffff81122ba2 /usr/src/debug/kernel-4.1.12/linux-4.1.12-61.33.1.el6uek/kernel/stop_machine.c: 474 #11 [ffff887f64cc3e80] smpboot_thread_fn ...
...up where multiple soft lockups occur in multi_cpu_stop...

The kernel is getting hung up where multiple soft lockups occur in multi_cpu_stop() with per-CPU migration threads. A possible spinlock deadlock or contention in vxio module from Veritas. Raw [ 3252.147006] NMI watchdog: BUG: soft lockup - CPU#18 stuck for 22s! [migration/18:100] [...