From owner-freebsd-net@freebsd.org Tue Mar 1 03:20:12 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7D8B8AB9AF3 for ; Tue, 1 Mar 2016 03:20:12 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from mail-vk0-x22c.google.com (mail-vk0-x22c.google.com [IPv6:2607:f8b0:400c:c05::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 38A651332; Tue, 1 Mar 2016 03:20:12 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by mail-vk0-x22c.google.com with SMTP id c3so154984153vkb.3; Mon, 29 Feb 2016 19:20:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=sCLz5zV5B26p3QEmiHUq7T/0E4CM6V33z/RWMRS1OTE=; b=xmAAT7xhMlII/27XYTBjokaEaeMd8f8BCVCfnKz2klHavQ/tbtlLfVuQNJgHT70xvl KLeXu80DPJWIJ8lRboR+m11guf7M5ogyzbXLsXXlVOXiLsa68Hc6306LMrOOTTJrvggD nNVBI2/UQjdJW5XEFM514QTcYGGYHZf5L4KnF2H7mJdrg0/+8m83kVw41UDqbEZ2VSx0 SYIQ3ZN11bg2HikFA2P5NVNAehE7NlmOKuMARb4dGyGhgkGQF1JT4b9jOIFIMq5C/yMI qd4pB92PR4yL1cYvYCJjsTnAP8nTTSLnDoZTN2ZxqwLDlWBrbpFqsKC25OSUTAtLRwBb b1gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=sCLz5zV5B26p3QEmiHUq7T/0E4CM6V33z/RWMRS1OTE=; b=AP5q1XjIgpTULjGP/ndK2hawaeoXaGryJYLN4B0FViNw5LozMiHkeugVXXiA9dsnoI bpWdBMQH/3vjDr6xj1j5D4CAEyup1xFngZ3GMCjOS9BBYW89GiPImxpJ2XHxlB9o5Ocv 1GC+EDcPxsvlgZ/kUx8MZ+VLNjXGtMPbSsQw+QKug7Pg5kf9ws+SYIi2tpFCwFBmc5r1 +7oFfbtCIakjyr7S9qdgcFxOZjaapWXAuRtzzrEdPY/xK4UqW43yLRegF9gJYPgUJeAb RC6Z3h7vBjR03EKTlzI6SGTe6hMBfns88t2aeZvjxdfPmjKwnX+jWeA9zJiNELnpDuAZ 6Xcg== X-Gm-Message-State: AD7BkJIwyc9PkkAjIsvVyhVeco+eoMcdADDJ6U+elvHa0rq9TVY6UzrddVddgUcjkfgmR5EJZRwpY23+xpGlHA== MIME-Version: 1.0 X-Received: by 10.31.178.134 with SMTP id b128mr11811029vkf.112.1456802410897; Mon, 29 Feb 2016 19:20:10 -0800 (PST) Received: by 10.159.33.214 with HTTP; Mon, 29 Feb 2016 19:20:10 -0800 (PST) In-Reply-To: <56D50725.5040603@FreeBSD.org> References: <56D50725.5040603@FreeBSD.org> Date: Tue, 1 Mar 2016 11:20:10 +0800 Message-ID: Subject: Re: HEAD r296148 panic: vtnet_txq_mq_start -> drbr_enqueue -> already enqueue From: Sepherosa Ziehau To: Bryan Drewery Cc: "freebsd-net@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Mar 2016 03:20:12 -0000 I believe r296178 fixes this panic. Please try it. Thanks, sephe On Tue, Mar 1, 2016 at 11:06 AM, Bryan Drewery wrote: > Hit this in bhyve: > >> panic: buf=0xfffff8002df9fd00 already enqueue at 652 prod=653 cons=652 >> cpuid = 0 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00b5d46150 >> vpanic() at vpanic+0x182/frame 0xfffffe00b5d461d0 >> panic() at panic+0x43/frame 0xfffffe00b5d46230 >> drbr_enqueue() at drbr_enqueue+0x54/frame 0xfffffe00b5d46250 >> vtnet_txq_mq_start() at vtnet_txq_mq_start+0x95/frame 0xfffffe00b5d46290 >> ether_output() at ether_output+0x56f/frame 0xfffffe00b5d46320 >> ip_output() at ip_output+0x1437/frame 0xfffffe00b5d46460 >> tcp_output() at tcp_output+0x1b0a/frame 0xfffffe00b5d46630 >> tcp_do_segment() at tcp_do_segment+0x27a3/frame 0xfffffe00b5d46730 >> tcp_input() at tcp_input+0xdb8/frame 0xfffffe00b5d46880 >> ip_input() at ip_input+0x17d/frame 0xfffffe00b5d468e0 >> netisr_dispatch_src() at netisr_dispatch_src+0x81/frame 0xfffffe00b5d46940 >> ether_demux() at ether_demux+0x15e/frame 0xfffffe00b5d46970 >> ether_nh_input() at ether_nh_input+0x344/frame 0xfffffe00b5d469b0 >> netisr_dispatch_src() at netisr_dispatch_src+0x81/frame 0xfffffe00b5d46a10 >> ether_input() at ether_input+0x4f/frame 0xfffffe00b5d46a40 >> vtnet_rxq_eof() at vtnet_rxq_eof+0x823/frame 0xfffffe00b5d46af0 >> vtnet_rx_vq_intr() at vtnet_rx_vq_intr+0x4e/frame 0xfffffe00b5d46b20 >> intr_event_execute_handlers() at intr_event_execute_handlers+0x96/frame 0xfffffe00b5d46b60 >> ithread_loop() at ithread_loop+0xa6/frame 0xfffffe00b5d46bb0 >> fork_exit() at fork_exit+0x84/frame 0xfffffe00b5d46bf0 >> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00b5d46bf0 >> --- trap 0, rip = 0, rsp = 0, rbp = 0 --- >> KDB: enter: panic >> [ thread pid 12 tid 100025 ] >> Stopped at kdb_enter+0x3b: movq $0,kdb_why > > > -- > Regards, > Bryan Drewery > -- Tomorrow Will Never Die