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Date:      Sat, 25 Jan 2020 06:53:17 +0900 (JST)
From:      Masachika ISHIZUKA <ish@amail.plala.or.jp>
To:        glebius@freebsd.org
Cc:        hps@selasky.org, current@freebsd.org
Subject:   Re: panic: Assertion in_epoch(net_epoch_preempt) failed at ... src/sys/net/if.c:3694
Message-ID:  <20200125.065317.610346733356820759.ish@amail.plala.or.jp>
In-Reply-To: <20200124165726.GN1268@FreeBSD.org>
References:  <7f44262b-eab6-f02a-0168-365add2d0ad9@selasky.org> <ae6669a2-4822-d2fd-f227-c9c41f0a8a99@selasky.org> <20200124165726.GN1268@FreeBSD.org>

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> H> >>> =A0=A0 My machine was panicked on r357061 with in_epoch in net=
isr.c.
> H> >>> =A0=A0 I can not capture screen.
> H> >>
> H> >> =A0=A0 Screenshot was uploaded to =

> H> >> https://www.ish.org/files/panic-r357061.jpeg
> H> >>
> H> > =

> H> > Looks like the WLAN subsystem needs some patches for EPOCH().
> H> > =

> H> > Gleb, did you do a "grep -r" for relevant functions before commi=
tting =

> H> > the recent EPOCH changes?
> H> =

> H> Can you try these two patches:
> H> https://reviews.freebsd.org/D23347
> H> https://reviews.freebsd.org/D23348
> =

> You could just plug it with a one liner that adds IFF_NEEDSEPOCH
> in ieee80211_vap_attach().
> =

> Or fix ath, which I'm going to do in next five minutes.

  Hi.

  D23347 and D23348 are not fixed my problem.
  Now, I'm doing buildworld/buildkernel on r357093 with D23347 and D233=
48.
  As I'm busy to care of my old father, I'm sorry to late reply mail.
-- =

Masachika ISHIZUKA



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