From nobody Fri Feb 9 22:31:18 2024 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TWpVL13NDz5BS5h for ; Fri, 9 Feb 2024 22:31:22 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TWpVK6YQdz4KPP for ; Fri, 9 Feb 2024 22:31:21 +0000 (UTC) (envelope-from markjdb@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-qk1-x731.google.com with SMTP id af79cd13be357-78574840242so62597085a.0 for ; Fri, 09 Feb 2024 14:31:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707517881; x=1708122681; darn=freebsd.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=mA+Qp6OO6bG8xB1MDizU/YD9EhCPnkAa2llGLH9+tMY=; b=l3oHF9HkVGdHbK0/UK7AW2ufuG1vEzpw+StJWkg6ullzqvXyIXSl23uNVOizaSfwiz mBBauxS7qnvbAzakui/znpLauyiwCH3HwSCI1BjdXRsb3a2OR3r4bkQAtO3eicuwmix8 DDcnIVEdmFNYaSBYY7QqAMjxaaIxkXY2OzxcSV3mAzclpfkdX9FSGglQ1a7aYOhARMEp mPHxnWGaBkurWxE1EoACfQkHJRE6mJ6TRnNzSVkeBHbZ/rvBbE/kXBW8brF26OXRck92 MFhyFnnEwvCEOi2FdrSUDdayOOGIa+210NOmjnePBwRnEhg/riSJ01s7fgFku/s9Fctz 0Iew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707517881; x=1708122681; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mA+Qp6OO6bG8xB1MDizU/YD9EhCPnkAa2llGLH9+tMY=; b=DI8oL1cPUHZv3wO2dtsrY347PQD9V0uK4b+A1EeF4iCalez1eSA5Bk5W1viT7QVuSE uIPBSlIfRas2pX4vX2VIIcsFZRplyPbJ4Lc+UHjjzls+8M6m/qYKg+8Ncib5fuSVn63G bjie3KkQ2j6Z6fQxIGpx+0muAmD+k06WRexHm6W6KHJOVBW5AS/+xRJ93xv861PCxz0b qs3W0TMcMFJDwNqJxqCvm3iudc09hKHlLAWIRozd/LqX8wZg3144d86qaLSAJNDovePz fz55fChBrmuqhLsPwhzYpFFybcpHRfBlAD+ET4c8H8IfHeyr6I+PtFUqqNhGBqVoKVvZ Q1PA== X-Gm-Message-State: AOJu0YwpwBZBaWc2j53mH4hQF76s3PqmzAluqJPyce7cUC43hrjB9jwX Gbz1yDbF40m1gg0Iz17Jhnh1RWMcznbxkR9JMTS40AwI+1tL69HNDQzbDXzv X-Google-Smtp-Source: AGHT+IFvbwT/Ogun8ua2u7DpsAtEyxFUPY1vfrDpmYvedioeC46MvA8QpbGhc9hZpmRTmLWRosTI3Q== X-Received: by 2002:a05:620a:2415:b0:783:bd02:c037 with SMTP id d21-20020a05620a241500b00783bd02c037mr475603qkn.47.1707517881218; Fri, 09 Feb 2024 14:31:21 -0800 (PST) Received: from nuc (192-0-220-237.cpe.teksavvy.com. [192.0.220.237]) by smtp.gmail.com with ESMTPSA id j14-20020a05620a146e00b007854018044bsm135596qkl.134.2024.02.09.14.31.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 14:31:20 -0800 (PST) Date: Fri, 9 Feb 2024 17:31:18 -0500 From: Mark Johnston To: "Matthew L. Dailey" Cc: "freebsd-current@freebsd.org" Subject: Re: FreeBSD panics possibly caused by nfs clients Message-ID: References: <3ea6d241-b9cc-4294-aef8-ae1c6d9d8161@dartmouth.edu> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3ea6d241-b9cc-4294-aef8-ae1c6d9d8161@dartmouth.edu> X-Rspamd-Queue-Id: 4TWpVK6YQdz4KPP X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] On Fri, Feb 09, 2024 at 10:11:14PM +0000, Matthew L. Dailey wrote: > On 2/9/24 4:18 PM, Mark Johnston wrote: > > [You don't often get email from markj@freebsd.org. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > > > On Fri, Feb 09, 2024 at 06:23:08PM +0000, Matthew L. Dailey wrote: > >> I had my first kernel panic with a KASAN kernel after only 01:27. This > >> first panic was a "double fault," which isn't anything we've seen > >> previously - usually we've seen trap 9 or trap 12, but sometimes others. > >> Based on the backtrace, it definitely looks like KASAN caught something, > >> but I don't have the expertise to know if this points to anything > >> specific. From the backtrace, it looks like this might have originated > >> in ipfw code. > > > > A double fault is rather unexpected. I presume you're running > > releng/14.0? Is it at all possible to test with FreeBSD-CURRENT? > > This is just 14.0-RELEASE, updated to p4. Haven't played with CURRENT > before, but I'll give it a shot. > > > > > Did you add INVARIANTS etc. to the kernel configuration used here, or > > just KASAN? > > > > This just had KASAN. Are you suggesting that I only add INVARIANTS > (along with KASAN), or all the various debug bits: > options DDB > options INVARIANT_SUPPORT > options INVARIANTS > options QUEUE_MACRO_DEBUG_TRASH > options WITNESS > options WITNESS_SKIPSPIN Please try adding all of them.