From owner-freebsd-current@FreeBSD.ORG Tue Feb 2 22:33:09 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2D08B106566C for ; Tue, 2 Feb 2010 22:33:09 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-fx0-f226.google.com (mail-fx0-f226.google.com [209.85.220.226]) by mx1.freebsd.org (Postfix) with ESMTP id AE2F88FC15 for ; Tue, 2 Feb 2010 22:33:08 +0000 (UTC) Received: by fxm26 with SMTP id 26so609671fxm.13 for ; Tue, 02 Feb 2010 14:33:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=ULI8ieozh5orqnk4mOmjuS9GFx0ep/4KodMyxesahI8=; b=KIGRE4eY1G78cRY+Oxor7z4yvIA99A+MpSVfaB/22vOqUxmxDhgncyBXbEm8lKQohU oM7yjWpJfofTWwtW8OuhVI9hB/lmaI3T6FkfMsc8+h5iiJf49I5jTgP5QiivA5migX32 ucJQs4xat0uIxnKCD+xJ/6xTeQfdPl8dPsxJU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=UxaiYRQvGdRD5UN8LfzCaYpOxjNdR/KkYaPwsvrXsHeO4DIjMqNs4c/NvUJGUW1r/T P2rpsJdYaScWe6ItP9ggfNOJZ5PYHk44k/VYhTTChsYlcu1mX9u6nxmJk9sop7EyFkwQ tJN/0SP2Ajw8gFrlmd/oHtYYaT6Ga6dNAcc0I= Received: by 10.102.207.4 with SMTP id e4mr3666098mug.126.1265149987761; Tue, 02 Feb 2010 14:33:07 -0800 (PST) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id y6sm1101070mug.1.2010.02.02.14.33.06 (version=SSLv3 cipher=RC4-MD5); Tue, 02 Feb 2010 14:33:07 -0800 (PST) Sender: Alexander Motin Message-ID: <4B68A812.40103@FreeBSD.org> Date: Wed, 03 Feb 2010 00:32:50 +0200 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Marcel Moolenaar References: <4B68A18E.1030500@FreeBSD.org> <305C4541-4245-45C9-9FCC-9C6AF4E47DD6@mac.com> In-Reply-To: <305C4541-4245-45C9-9FCC-9C6AF4E47DD6@mac.com> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "current@freebsd.org mailing list" Subject: Re: CAM verbosity (xpt_release_devq(0): requested 1 > present 0) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Feb 2010 22:33:09 -0000 Marcel Moolenaar wrote: > On Feb 2, 2010, at 2:05 PM, Alexander Motin wrote: >> Marcel Moolenaar wrote: >>> On recent -CURRENT the console gets spammed with the following: >>> >>> xpt_release_devq(0): requested 1 > present 0 >>> >>> Can we put this under bootverbose? >> It was already put under INVARIANTS. > > Which is what developers run by default :-) And on strange coincidence, it is developers who are fixing bugs. :) >>> Do we need to print this at all? >> It was hidden before, but we need to fix this, if we want error handling >> to work correctly. >> >> Can you somehow localize situations when those messages appear? What >> controller and devices do you use? > > SCSI controller is: > mpt0: mem 0xa0470000-0xa0473fff,0xa0460000-0xa046ffff irq 27 at device 1.0 on pci1 > mpt0: [ITHREAD] > mpt0: MPI Version=1.5.13.0 > mpt0: Capabilities: ( RAID-0 RAID-1E RAID-1 ) > mpt0: 0 Active Volumes (2 Max) > mpt0: 0 Hidden Drive Members (10 Max) > > Harddisk is: > da0: Fixed Direct Access SCSI-5 device > da0: 300.000MB/s transfers > da0: Command Queueing enabled > da0: 140014MB (286749488 512 byte sectors: 255H 63S/T 17849C) > > This disk has tagged queuing enabled but the disk only has 122 > openings. When busy the number of openings can reduce to 121. > Due to bugs in the CAM layer the number of openings never gets > adjusted when MPT inform CAM about it a Queue Full Event. > > I suspect this is related to it, but may be wrong... Whether it is related or not, both issues definitely should be fixed. Could you give me an access to debug that system, or it is in use? -- Alexander Motin