From nobody Tue Feb 08 19:02:20 2022 X-Original-To: freebsd-transport@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 65C7819B9FA5 for ; Tue, 8 Feb 2022 19:02:38 +0000 (UTC) (envelope-from gallatin@netflix.com) Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) (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 4JtXSs5Nd7z4WhF for ; Tue, 8 Feb 2022 19:02:37 +0000 (UTC) (envelope-from gallatin@netflix.com) Received: by mail-ej1-x634.google.com with SMTP id st12so532958ejc.4 for ; Tue, 08 Feb 2022 11:02:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netflix.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=B9h18KMp1xT19rixhSigzw6KXuvZ1320YZR+DN7/rAY=; b=r1rRqpqe4jI/xypZysNWLrrGRJ9DBbIYoFb3HxxYd/7GjVc/y+M9MMZZhfNMTqxJYC Z+3kynS2SPJIWvg/6OtA+bn+EZ8JNd1x0AhkyJKd56D2jFiO1hr2FzQUhmnqjbzpabuj Omh8DXHgbb3zXEhNlSSI3q/0yko26a5EoDYLE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=B9h18KMp1xT19rixhSigzw6KXuvZ1320YZR+DN7/rAY=; b=D/nzD6RE+Z7U0aRERfHStEU/0S27w30q1w7/ffqdhYRFcWtHomXQGxGWsfIYwBU8F5 GDN8EQpJHvadY+CAE5Gfrg/GLASWql9DGuqZO04CEwJu8m9qsVoQnuL8w3QY0FJFFUbN gm7ACIKNWcK7GNqF9lyTRTWnxX7GSqe47wLNKNw0fBulPduOxk9iGx5+4aEvZqY4Ibna S4fBwlnwqRLKqdEP2XRpiu8DV0DHVCJstvnf0cAc84tnMYlJsx4RtoFcJxh/d4NrOGVd iD32b0f202IPRPvWTw9aXDpfez9pvNgGebf2Y4szw3Jy5H44M3f7fnwMRS+6WINdwIYr FbtA== X-Gm-Message-State: AOAM530Fgoku6YOuWCb01kl0axRLyJ3feRho3HC5UyNLkXXyz1tygJh1 JHXlRgXKo6EKOXGYWKbLALC89fere+Iq0f9QADxGy3Tq3A== X-Google-Smtp-Source: ABdhPJy/EwsqbQRIClVCooEjEVlwlPFg5ZB3q2R90Mk7IcfzQiyKTUumO3MwLOoyDNCjrvjn3DXqxKMFYrWXaa79C10= X-Received: by 2002:a17:907:7f21:: with SMTP id qf33mr4971041ejc.30.1644346951562; Tue, 08 Feb 2022 11:02:31 -0800 (PST) List-Id: Discussions List-Archive: https://lists.freebsd.org/archives/freebsd-transport List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-transport@freebsd.org X-BeenThere: freebsd-transport@freebsd.org MIME-Version: 1.0 References: In-Reply-To: From: Drew Gallatin Date: Tue, 8 Feb 2022 14:02:20 -0500 Message-ID: Subject: Re: panic: syncache: mbuf too small To: "Bjoern A. Zeeb" Cc: freebsd-transport@freebsd.org Content-Type: multipart/alternative; boundary="000000000000efd4e905d7865be8" X-Rspamd-Queue-Id: 4JtXSs5Nd7z4WhF X-Spamd-Bar: ------------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=netflix.com header.s=google header.b=r1rRqpqe; dmarc=pass (policy=reject) header.from=netflix.com; spf=pass (mx1.freebsd.org: domain of gallatin@netflix.com designates 2a00:1450:4864:20::634 as permitted sender) smtp.mailfrom=gallatin@netflix.com X-Spamd-Result: default: False [-12.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[netflix.com:s=google]; FREEFALL_USER(0.00)[gallatin]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-transport@freebsd.org]; NEURAL_SPAM_SHORT(1.00)[1.000]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[netflix.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[netflix.com,reject]; WHITELIST_DMARC(-7.00)[netflix.com:D:+]; MLMMJ_DEST(0.00)[freebsd-transport]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::634:from]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; WHITELIST_SPF_DKIM(-3.00)[netflix.com:d:+,netflix.com:s:+] X-ThisMailContainsUnwantedMimeParts: N --000000000000efd4e905d7865be8 Content-Type: text/plain; charset="UTF-8" Can you examine max_linkhdr? Drew On Tue, Feb 8, 2022 at 1:58 PM Bjoern A. Zeeb < bzeeb-lists@lists.zabbadoz.net> wrote: > Hi, > > I just came to a console finding this. The tree is from a few days ago; > is this known or should I investigate if it happens again? I sadly cannot > dump on this machine. > > /bz > > db> show panic > panic: syncache: mbuf too small > db> where > Tracing pid 0 tid 100014 td 0xfffffe000937a740 > kdb_enter() at kdb_enter+0x37/frame 0xfffffe0007fa15b0 > vpanic() at vpanic+0x1b0/frame 0xfffffe0007fa1600 > panic() at panic+0x43/frame 0xfffffe0007fa1660 > syncache_respond() at syncache_respond+0x777/frame 0xfffffe0007fa1730 > syncache_add() at syncache_add+0xa71/frame 0xfffffe0007fa18c0 > tcp_input_with_port() at tcp_input_with_port+0x14f5/frame > 0xfffffe0007fa1a20 > tcp6_input_with_port() at tcp6_input_with_port+0x69/frame > 0xfffffe0007fa1a50 > tcp6_input() at tcp6_input+0xb/frame 0xfffffe0007fa1a60 > ip6_input() at ip6_input+0xc2f/frame 0xfffffe0007fa1b40 > netisr_dispatch_src() at netisr_dispatch_src+0xaf/frame 0xfffffe0007fa1ba0 > ether_demux() at ether_demux+0x16e/frame 0xfffffe0007fa1bd0 > ether_nh_input() at ether_nh_input+0x3fc/frame 0xfffffe0007fa1c30 > netisr_dispatch_src() at netisr_dispatch_src+0xaf/frame 0xfffffe0007fa1c90 > ether_input() at ether_input+0x99/frame 0xfffffe0007fa1cf0 > iflib_rxeof() at iflib_rxeof+0xcb3/frame 0xfffffe0007fa1e00 > _task_fn_rx() at _task_fn_rx+0x7a/frame 0xfffffe0007fa1e40 > gtaskqueue_run_locked() at gtaskqueue_run_locked+0xa7/frame > 0xfffffe0007fa1ec0 > gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xc2/frame > 0xfffffe0007fa1ef0 > fork_exit() at fork_exit+0x80/frame 0xfffffe0007fa1f30 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0007fa1f30 > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > > > -- > Bjoern A. Zeeb r15:7 > > --000000000000efd4e905d7865be8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Can you examine max_linkhdr?=C2=A0
Drew

On Tue, Feb 8, 2022 at 1:58 PM Bjoern A. Zeeb <= ;bzeeb-lists@lists.zabbad= oz.net> wrote:
Hi,

I just came to a console finding this.=C2=A0 The tree is from a few days ag= o;=C2=A0 is this known or should I investigate if it happens again?=C2=A0 = =C2=A0I sadly cannot dump on this machine.

/bz

db> show panic
panic: syncache: mbuf too small
db> where
Tracing pid 0 tid 100014 td 0xfffffe000937a740
kdb_enter() at kdb_enter+0x37/frame 0xfffffe0007fa15b0
vpanic() at vpanic+0x1b0/frame 0xfffffe0007fa1600
panic() at panic+0x43/frame 0xfffffe0007fa1660
syncache_respond() at syncache_respond+0x777/frame 0xfffffe0007fa1730
syncache_add() at syncache_add+0xa71/frame 0xfffffe0007fa18c0
tcp_input_with_port() at tcp_input_with_port+0x14f5/frame 0xfffffe0007fa1a2= 0
tcp6_input_with_port() at tcp6_input_with_port+0x69/frame 0xfffffe0007fa1a5= 0
tcp6_input() at tcp6_input+0xb/frame 0xfffffe0007fa1a60
ip6_input() at ip6_input+0xc2f/frame 0xfffffe0007fa1b40
netisr_dispatch_src() at netisr_dispatch_src+0xaf/frame 0xfffffe0007fa1ba0<= br> ether_demux() at ether_demux+0x16e/frame 0xfffffe0007fa1bd0
ether_nh_input() at ether_nh_input+0x3fc/frame 0xfffffe0007fa1c30
netisr_dispatch_src() at netisr_dispatch_src+0xaf/frame 0xfffffe0007fa1c90<= br> ether_input() at ether_input+0x99/frame 0xfffffe0007fa1cf0
iflib_rxeof() at iflib_rxeof+0xcb3/frame 0xfffffe0007fa1e00
_task_fn_rx() at _task_fn_rx+0x7a/frame 0xfffffe0007fa1e40
gtaskqueue_run_locked() at gtaskqueue_run_locked+0xa7/frame 0xfffffe0007fa1= ec0
gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xc2/frame 0xfffffe0007f= a1ef0
fork_exit() at fork_exit+0x80/frame 0xfffffe0007fa1f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0007fa1f30
--- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 ---


--
Bjoern A. Zeeb=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0r15:7

--000000000000efd4e905d7865be8--