From owner-freebsd-net@FreeBSD.ORG Wed Oct 9 17:23:29 2013 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 1B376A80; Wed, 9 Oct 2013 17:23:29 +0000 (UTC) (envelope-from hiren.panchasara@gmail.com) Received: from mail-ee0-x22d.google.com (mail-ee0-x22d.google.com [IPv6:2a00:1450:4013:c00::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 88C592725; Wed, 9 Oct 2013 17:23:28 +0000 (UTC) Received: by mail-ee0-f45.google.com with SMTP id c50so583512eek.18 for ; Wed, 09 Oct 2013 10:23:26 -0700 (PDT) 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:content-type; bh=rqkZQWzWK3A3NgCElOLQ3R6otOJwg5PL943KQI83G+M=; b=i9CuLAn61/DdxQ5UaRyF+VUwmFInQ/aME6F2A20i39q/9Bwt/btp+w9wH5MNCc/4Mn xlY+Yhg1u/W2UNfwVVYmpW7ollIxLPOcNV2gcjGuUXeiknLzaeKcDDY+cZ7+2BtAD9ye sTBu7LAlhTnys6E8R6cnwuA0Mjzr5Cexq3QB9BUNxeMmBKKXipVIqxjQDUySrfNyPFst xNxMgVtAn1cfsng6wuj+2kz5YdMVtuZHl3lN/OCmFfyPMeQZ4gRvDwujX1byGKsAjVtW AJ3CJlLkq23euLJyxtXtHWb6tPP8XpQCmZDi15jbUkX6yltrrPMuwpiDiESWaKJLVr8O EliA== MIME-Version: 1.0 X-Received: by 10.14.172.133 with SMTP id t5mr12910731eel.35.1381339406867; Wed, 09 Oct 2013 10:23:26 -0700 (PDT) Received: by 10.14.105.137 with HTTP; Wed, 9 Oct 2013 10:23:26 -0700 (PDT) In-Reply-To: <20130928224501.GX41229@kib.kiev.ua> References: <20130928213038.GT41229@kib.kiev.ua> <20130928224501.GX41229@kib.kiev.ua> Date: Wed, 9 Oct 2013 10:23:26 -0700 Message-ID: Subject: Re: igb(4) panic: already enqueue From: hiren panchasara To: Jack F Vogel , Konstantin Belousov Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-net@freebsd.org" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Oct 2013 17:23:29 -0000 Jack, I am also seeing similar panics at $work on a couple weeks old STABLE-9. Can you please look into this issue? cheers, Hiren 1) HP DL360e Gen8, 2 x Xeon E5-2430 2.20GHz panic: buf=0xfffffe002810d700 already enqueue at 995 prod=997 cons=995 cpuid = 17 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff868637b030 kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff868637b0f0 panic() at panic+0x1d8/frame 0xffffff868637b1f0 igb_mq_start() at igb_mq_start+0x1cb/frame 0xffffff868637b240 ether_output_frame() at ether_output_frame+0x33/frame 0xffffff868637b260 ether_output() at ether_output+0x52d/frame 0xffffff868637b2f0 ip_output() at ip_output+0xe38/frame 0xffffff868637b3e0 tcp_output() at tcp_output+0x122c/frame 0xffffff868637b5a0 tcp_do_segment() at tcp_do_segment+0x306c/frame 0xffffff868637b6c0 tcp_input() at tcp_input+0x909/frame 0xffffff868637b7f0 ip_input() at ip_input+0xbd/frame 0xffffff868637b840 netisr_dispatch_src() at netisr_dispatch_src+0x152/frame 0xffffff868637b8a0 ether_demux() at ether_demux+0x17d/frame 0xffffff868637b8d0 ether_nh_input() at ether_nh_input+0x208/frame 0xffffff868637b910 netisr_dispatch_src() at netisr_dispatch_src+0x152/frame 0xffffff868637b970 igb_rxeof() at igb_rxeof+0x394/frame 0xffffff868637b9e0 igb_handle_que() at igb_handle_que+0x9b/frame 0xffffff868637ba20 taskqueue_run_locked() at taskqueue_run_locked+0x93/frame 0xffffff868637ba80 taskqueue_thread_loop() at taskqueue_thread_loop+0x3e/frame 0xffffff868637baa0 fork_exit() at fork_exit+0x135/frame 0xffffff868637baf0 fork_trampoline() at fork_trampoline+0xe/frame 0xffffff868637baf0 2) HP DL160 G6, 2 x Xeon E5620 2.40GHz panic: buf=0xfffffe01b6334700 already enqueue at 42 prod=43 cons=42 cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a/frame 0xffffff800037a620 kdb_backtrace() at kdb_backtrace+0x37/frame 0xffffff800037a6e0 panic() at panic+0x1d8/frame 0xffffff800037a7e0 igb_mq_start() at igb_mq_start+0x1cb/frame 0xffffff800037a830 ether_output_frame() at ether_output_frame+0x33/frame 0xffffff800037a850 ether_output() at ether_output+0x52d/frame 0xffffff800037a8e0 ip_output() at ip_output+0xe38/frame 0xffffff800037a9d0 syncache_respond() at syncache_respond+0x462/frame 0xffffff800037aa90 syncache_timer() at syncache_timer+0xdf/frame 0xffffff800037aac0 softclock() at softclock+0x2c6/frame 0xffffff800037ab60 intr_event_execute_handlers() at intr_event_execute_handlers+0x6a/frame 0xffffff800037ab90 ithread_loop() at ithread_loop+0xac/frame 0xffffff800037abe0 fork_exit() at fork_exit+0x135/frame 0xffffff800037ac30 fork_trampoline() at fork_trampoline+0xe/frame 0xffffff800037ac30