Date: Thu, 20 Sep 2018 19:27:38 +0200 From: Michael Tuexen <tuexen@freebsd.org> To: Michael Schmiedgen <schmiedgen@gmx.net> Cc: freebsd-current@FreeBSD.org Subject: Re: 12.0-ALPHA6 dumps with 'Fatal double fault' Message-ID: <3F80F987-397C-4CF1-9421-BA1AF0376B6C@freebsd.org> In-Reply-To: <8be8d63e-6f42-6350-eadb-c417496a1707@gmx.net> References: <b08b106f-b25a-1284-0e18-f186dd6baf4b@gmx.net> <ED35E1FA-CADD-4CDA-B5F0-0D8CC3FDA177@freebsd.org> <a37f1059-e54d-2384-40ed-54aef2e7c182@gmx.net> <00082772-8AA0-415B-A4C5-B8BC8D4D7BFC@freebsd.org> <8be8d63e-6f42-6350-eadb-c417496a1707@gmx.net>
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> On 20. Sep 2018, at 19:11, Michael Schmiedgen <schmiedgen@gmx.net> wrote: > > Hi Michael, > > many thanks for your help. > > > On 20.09.2018 18:15, Michael Tuexen wrote: >>> On 20. Sep 2018, at 17:12, Michael Schmiedgen <schmiedgen@gmx.net> wrote: >>> >>> >>>> Can you elaborate which port was triggering the fault and which platform you are using? >>>> I would like to reproduce the issue and fix it. >>> >>> Port is devel/apr1 and platform is amd64. >> Works fine on my side. It would be helpful if you could build a kernel with >> debug symbols, reproduce the problem and provide a stack strace. > > Unfortunately I cannot. It is a production machine without debug that does not > like to run on 11.1 OR 11.2 for some strange reason [1]. And I really do not I'm not referring to 11.1 or 11.2. Just the kernel you use with debug symbols. > want to run it on 11.0 anymore. Perhaps it is some crappy hardware from our > hoster, I don't know. Anyway, after minimal-updating SVN to very-latest and > removing SCTP it behaves just fine under load. Removing SCTP means removing it from the kernel or disabling it in the port? > > >> Since you said that it crashed multiple times makes me wonder if this problem >> is related to SCTP in particular or if there is some other generic issue... > > The mentioned commit [2] lies exactly in my SVN update delta. So this could > be the reason, too(?) > > Sadly I am to busy right now to investigate further, sorry. OK. If you have some spare time, enable SCTP again and see if the problem is related to it... Best regards Michael > > Thanks again, > Michael > > > > [1] > https://lists.freebsd.org/pipermail/freebsd-current/2014-October/052900.html > https://lists.freebsd.org/pipermail/freebsd-stable/2014-December/081192.html > > [2] > https://lists.freebsd.org/pipermail/freebsd-current/2018-September/071283.htmlhome | help
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