panic: Assertion in_epoch(net_epoch_preempt) failed, r357793

[yp at mm.st]

Warner Losh wrote:
> Which driver does your system use?

em0: <Intel(R) PRO/1000 Network Connection> mem 0x54300000-0x5431ffff at 
device 31.6 on pci0
em0: Using 1024 TX descriptors and 1024 RX descriptors
em0: Using an MSI interrupt
em0: netmap queues/slots: TX 1/1024, RX 1/1024

> On Tue, Feb 11, 2020 at 11:49 PM <yp at mm.st> wrote:
> 
>> Getting the following panic after updating to r357793 (expect typos,
>> hand copied):
>>
>> panic: Assertion in_epoch(net_epoch_preempt) failed at
>> /usr/src/sys/net/iflib.c:2762
>>
>> db_trace_self_wrapper()
>> vpanic()
>> panic()
>> iflib_rxeof()
>> _task_fn_rx()
>> gtaskqueue_run_locked()
>> gtaskqueue_thread_loop()
>> fork_exit()
>> fork_trampoline()
>> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---