From owner-freebsd-net@freebsd.org Wed Jan 13 12:33:16 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 7E43FA6BBF9 for ; Wed, 13 Jan 2016 12:33:16 +0000 (UTC) (envelope-from lakshmi.n@msystechnologies.com) Received: from mail-yk0-x229.google.com (mail-yk0-x229.google.com [IPv6:2607:f8b0:4002:c07::229]) (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 4780C1AEC for ; Wed, 13 Jan 2016 12:33:15 +0000 (UTC) (envelope-from lakshmi.n@msystechnologies.com) Received: by mail-yk0-x229.google.com with SMTP id x67so487423981ykd.2 for ; Wed, 13 Jan 2016 04:33:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=msystechnologies.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Akf/OQi/LTPm8pCl1gqpUi3rHhLYJo7hgJofO0R9SK8=; b=VrP3AUFE2ho4plkSO5uhIlt+0AS2Ah/XdXJNDSvHgev/AiR1FIFmRjkNpTRrQyd4dl RHq65qCB5gNPZzJ9HayzHVFmBUWQwS01MdQqP8fkaFMKP0sbvy7J6Z/7csizkxRpuNJx cpG2jGbakExJ0KFyzx2FHr2KobSuvWnasj/og= 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:content-type; bh=Akf/OQi/LTPm8pCl1gqpUi3rHhLYJo7hgJofO0R9SK8=; b=DbSzhYSwit2NZWKqLgYE9W8QeF0kLK+BLxunbwT0GB4eJ1oT1oBp6LAclo5lw6BIyw QIUK5iH04QtVe+PfjPJGd9n8MKqfT/ZpzJ+GAgY2TINmmPyiUaNOeJ/a9EUZa5TH3ZCu aI7MoixsZp1aqQWQqWMZYRvRlbkG5xJBkWAtWfJ2gM3CrPh4ACXummiLGUuU+Op3QWl4 iiQVr25MVfoFDaKn0secZB6Id9KRafKX1AhWtLR69L1gJLXHG/h5mc5u3/3rojTP3PBI acfiNGXuOOAZAtQ9QWS9ue1QUBQ1FBKDVxPQd7+fxIYiuata1pETWO2CwiBNd9S4KIej kj+w== X-Gm-Message-State: ALoCoQmcpnfGC8Md4XNCIQE+MRWkNu7VBD9EqRPU8o+VpnsBOs2s85wMP/Ixemsv4isR51cjJxavx9tSDINGp4QEP509PfADZmcLT8k3AAnf/k3AU819u2IoAY99dODV5/wMbEG1rcBiOdCE1mT6q8CDDd1UZS6JPw== MIME-Version: 1.0 X-Received: by 10.129.159.130 with SMTP id w124mr99058054ywg.342.1452688395134; Wed, 13 Jan 2016 04:33:15 -0800 (PST) Received: by 10.37.21.138 with HTTP; Wed, 13 Jan 2016 04:33:15 -0800 (PST) In-Reply-To: <569643F4.5060209@selasky.org> References: <569643F4.5060209@selasky.org> Date: Wed, 13 Jan 2016 18:03:15 +0530 Message-ID: Subject: Re: Kernel panic from lagg_ioctl and lagg_port_ioctl From: Lakshmi Narasimhan Sundararajan To: Hans Petter Selasky Cc: "Lewis, Fred" , "freebsd-net@freebsd.org" , "Kothavade, Pushkar" , "Pokala, Ravi" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 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: Wed, 13 Jan 2016 12:33:16 -0000 Hi Hans, Yes, we understand that piece of code. But Panasas wants this change to MFC to 10.3. This issue is not seen in 11. Would that happen? I have not seen acknowledgement of this issue or confirmation of MFC to 10.3. That information will help us plan. Regards, LN On Wed, Jan 13, 2016 at 6:02 PM, Hans Petter Selasky wrote: > On 01/12/16 22:13, Lewis, Fred wrote: > >> In earlier versions of lagg_ioctl() (e.g. stable/10/r171247) all of the >> callout >> vectors are set to NULL which I think will prevent the problem. Similar >> NULLing code >> is also in stable/7. I didn't check other releases. >> > > Don't forget to drain the callouts before NULL-ing them! > > --HPS > -- DISCLAIMER The information in this e-mail is confidential and may be subject to legal privilege. It is intended solely for the addressee. Access to this e-mail by anyone else is unauthorized. If you have received this communication in error, please address with the subject heading "Received in error," send to it@msystechnologies.com, then delete the e-mail and destroy any copies of it. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. The views, opinions, conclusions and other information expressed in this electronic mail and any attachments are not given or endorsed by the company unless otherwise indicated by an authorized representative independent of this message. MSys cannot guarantee that e-mail communications are secure or error-free, as information could be intercepted, corrupted, amended, lost, destroyed, arrive late or incomplete, or contain viruses, though all reasonable precautions have been taken to ensure no viruses are present in this e-mail. As our company cannot accept responsibility for any loss or damage arising from the use of this e-mail or attachments we recommend that you subject these to your virus checking procedures prior to use