Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 20 Nov 2018 16:40:56 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 230498] Fatal trap 12: page fault while in kernel mode in sysctl_dumpentry from sysctl NET_RT_DUMP
Message-ID:  <bug-230498-7501-uqAV9Gi4SQ@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-230498-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-230498-7501@https.bugs.freebsd.org/bugzilla/>

next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230498

--- Comment #10 from Andrey V. Elsukov <ae@FreeBSD.org> ---
(In reply to Franck Rousseau from comment #9)
> Thanks for the tentative fix, I have just tested on 11.2 and 12-RC1 kerne=
ls.
> I have adapted to 11.2 by removing the NET_EPOCH_* macros. The behavior
> changes, there is no more crash, but it looks like something is not clear=
ed
> as it should.
>=20
> Setting up ppp + proxy arp, everything works. Then, interrupting and
> restarting ppp used to cause the crash consistently, but with this patch,
> ppp fails with the following error :
>=20
>     PPp ON localhost> Warning: iface add: ioctl(SIOCAIFADDR, 192.168.0.2 =
->
> 192.168.0.1): File exists
>     Error: ipcp_InterfaceUp: unable to set ip address=20
>=20
> Sorry, I don't have much time to dig into the route and interface handling
> code right now.

No, without NET_EPOCH the patch won't work. It is the main feature that all=
ows
to fix the problem and 11.x has not this feature.

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-230498-7501-uqAV9Gi4SQ>