Date: Wed, 12 Feb 2020 19:41:54 +0300 From: yp@mm.st To: Gleb Smirnoff <glebius@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: panic: Assertion in_epoch(net_epoch_preempt) failed, r357793 Message-ID: <d86f00b7-a053-5e2c-7ede-2bfa34ce2e28@mm.st> In-Reply-To: <20200212163824.GA1253@FreeBSD.org> References: <1123c163-846f-7264-febd-3027e1b17369@mm.st> <20200212163824.GA1253@FreeBSD.org>
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Gleb Smirnoff wrote:
> On Wed, Feb 12, 2020 at 09:49:12AM +0300, yp@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.
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