Re: panic: Assertion in_epoch(net_epoch_preempt) failed, r357793

Gleb Smirnoff wrote:
> On Wed, Feb 12, 2020 at 09:49:12AM +0300, yp_at_mm.st wrote:
> y> Getting the following panic after updating to r357793 (expect typos, hand
> y> copied):
> y>
> y> panic: Assertion in_epoch(net_epoch_preempt) failed at
> y> /usr/src/sys/net/iflib.c:2762
> y>
> y> db_trace_self_wrapper()
> y> vpanic()
> y> panic()
> y> iflib_rxeof()
> y> _task_fn_rx()
> y> gtaskqueue_run_locked()
> y> gtaskqueue_thread_loop()
> y> fork_exit()
> y> fork_trampoline()
> y> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
> 
> Are you running iflib as a loadable module? Your trace clearly
> has _task_fn_rx(), and Hans's patch covers _task_fn_tx(). However,
> Hans's patch helped you. So, my guess is happen just due to
> recompilation and reinstall of the module, not due to patch.

No, it was a clean install from latest snapshot ISO, updated to that 
revision using the usual {build,install}{world,kernel} procedure without 
any settings in src.conf and using GENERIC conf, so iflib is builtin.