From owner-freebsd-fs@freebsd.org Mon Jul 3 07:42:20 2017 Return-Path: Delivered-To: freebsd-fs@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 C9FA49E0351; Mon, 3 Jul 2017 07:42:20 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: from mail-wm0-x22d.google.com (mail-wm0-x22d.google.com [IPv6:2a00:1450:400c:c09::22d]) (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 67F3113A1; Mon, 3 Jul 2017 07:42:20 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: by mail-wm0-x22d.google.com with SMTP id 62so159907784wmw.1; Mon, 03 Jul 2017 00:42:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=fXwnBcvuGOil6HHb8sjqt8q8Sd0CRsYc8QKn66qIsqc=; b=bycwTX8I25IcAuh86TgBS4ofe/XvtneU1PppCxT4V7HiIyd46hORaHWG2EVsByqemu ApTh5cFi1f8n1KDG2tyzKE4m+AUcZtiz3XnnPVFN2oYH28gfgNdjSZG3ey/YlJoTvpjf 2H+GNrMMBE2WMWIUah92k7toD9tX/DvRGIegae8GmeQGdtJ8NeAuFK8BsIy6kCN5UOQJ EO+Q6vqyH26LbHixpB68pulgxrNdE5izJxe7K3DPCfOMDvTW8cBrDB9Rcy/OtNCxUUBc GlZhl04txdaGrK69mPOCubSyPTuEtZEZ7NIWOLaAuBo/rAFx6AaMdZyIxj+cPr1fRzZQ oi4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=fXwnBcvuGOil6HHb8sjqt8q8Sd0CRsYc8QKn66qIsqc=; b=i8dfsMltn5asQZE3jBnYYzaJ3fBNkoKNgT8GTOghVNk03ngntxP3fZu5YdeSM6wQqd Tp36RSbdm4iddcKQbNIYbPo5CN8En0OctV5gGhEWl+5O5ziKQHYrlzM6LjDoVUzBnAgZ JMEXeYNDOkAuTDHHdNc3xxwnKPJj5zZz4Mrv1ph05tpAQArP1rYatYzJ0MWy9ogrysR/ 0QR6YLN/jdN9KSKdV2VtPCL+GgSdkcawyRatyOWNPOyKgln0GA4xXpdyJi/FUUfKbz1z sXYDj6wVuA5WzvotvZNsFqrIHm8X3ZhLOGo+0LcWEF3Gp+BZe42Vrlf8h0l3sg5Dz8T7 xRHA== X-Gm-Message-State: AKS2vOz8OHFZBdU8QFLS7AzM4TZ/UIJZpO/h5hpxUCS4+k8EVexK6F1H DJmKzTFbHEBOE8u0cPk= X-Received: by 10.28.236.19 with SMTP id k19mr22260562wmh.30.1499067737636; Mon, 03 Jul 2017 00:42:17 -0700 (PDT) Received: from ben.home (LFbn-1-11339-180.w2-15.abo.wanadoo.fr. [2.15.165.180]) by smtp.gmail.com with ESMTPSA id q17sm1248103wmd.4.2017.07.03.00.42.16 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 03 Jul 2017 00:42:16 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: I/O to pool appears to be hung, panic ! From: Ben RUBSON X-Priority: 3 In-Reply-To: Date: Mon, 3 Jul 2017 09:42:15 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: freebsd-scsi@freebsd.org, Freebsd fs X-Mailer: Apple Mail (2.3124) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 07:42:20 -0000 > On 29 Jun 2017, at 20:40, Karli Sj=C3=B6berg = wrote: >=20 >> Den 29 juni 2017 3:37 em skrev Ben RUBSON : >>=20 >> I also tried to look for some LSI SAS2008 error counters (on target = side), >> but did not found anything interesting. >> (sysctl -a | grep -i mps) >=20 > Here's a well kept secret I got from LSI once: >=20 > /boot/loader.conf: > dev.mps.0.debug_level=3D"0x1F" Thank you Karli for this tip ! I just noticed this is explained in MPS(4), DEBUGGING section. 0x1F is then : 0x0001 Enable informational prints (set by default). 0x0002 Enable prints for driver faults (set by default). 0x0004 Enable prints for controller events. 0x0008 Enable prints for controller logging. 0x0010 Enable prints for tracing recovery operations. Controller events are however extremely verbose. Perhaps 0x1B is then slightly better. Here is a useful link to "decode" logged messages : http://blog.disksurvey.org/blog/2014/08/10/decoding-lsi-loginfo-codes/ Ben=