The following crash happens on a virtualized system using tipc node configuration. It typically happens within 2 to 8 hours of being running the virtual machine. We have received the vmcores and vmlinuz from the crash . We don't have a test case for this issue, due to the configuration is complex since this is happening in a cluster environment with more than 10 nodes. crash> bt -c 1 PID: 14 TASK: ffff880b6a106180 CPU: 1 COMMAND: "ksoftirqd/1" [exception RIP: _raw_spin_lock_irqsave+82] RIP: ffffffff8199ce62 RSP: ffff880b6a11bc78 RFLAGS: 00000016 RAX: 0000000000000102 RBX: ffff880b6880a700 RCX: 0000000000000072 RDX: 000000000000071a RSI: 0000000000000066 RDI: 0000000000000001 RBP: ffff880b6a11bc88 R8: ffff880b6a118000 R9: 0000000000000000 R10: 0000000000000001 R11: 0000000000000261 R12: 0000000000000292 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 CS: 0010 SS: 0018 #0 [ffff880b6a11bc90] __wake_up at ffffffff810e5be7 #1 [ffff880b6a11bcd0] sock_def_wakeup at ffffffff817e6cdd #2 [ffff880b6a11bcf0] tipc_sk_timeout at ffffffffa0043ac0 [tipc] #3 [ffff880b6a11bd40] call_timer_fn at ffffffff81101c82 #4 [ffff880b6a11bd80] run_timer_softirq at ffffffff81101fd4 #5 [ffff880b6a11be00] __do_softirq at ffffffff810ad2f5 #6 [ffff880b6a11be70] run_ksoftirqd at ffffffff810ad581 #7 [ffff880b6a11be80] smpboot_thread_fn at ffffffff810c9f18 #8 [ffff880b6a11bec0] kthread at ffffffff810c70d9 #9 [ffff880b6a11bf50] ret_from_fork at ffffffff8199dba2
