From owner-freebsd-scsi@FreeBSD.ORG Tue Mar 3 05:50:08 2015 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2E03384A for ; Tue, 3 Mar 2015 05:50:08 +0000 (UTC) Received: from mail-ie0-x235.google.com (mail-ie0-x235.google.com [IPv6:2607:f8b0:4001:c03::235]) (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 E41E015D for ; Tue, 3 Mar 2015 05:50:07 +0000 (UTC) Received: by iecat20 with SMTP id at20so891471iec.6 for ; Mon, 02 Mar 2015 21:50:07 -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 :content-type; bh=2n7gmA1Tf+6XTbGGK1kTJboDE6gz71bWdZceHd3GbGk=; b=lka7As1AYHP28QohkayR3CU10TM9BygcGKdPJpe1agC/HGEf6t8NFt98Prc/+JRnbk wCb7k6T8YFmwYAk0qHGUAqcptWm/rLn3zm0GbNNaEVFPwGsQPK4hwUMaeBVopMOWCajh PLbK3a7hBghA3EMolt5zGrw/jkAZ6jr+uz/gX4BpCno0mvOvl6dAzLeT65Rrwd6LmZLm NEEU6te/6kvTudj7gDMgjDFkfFCv820VOkcijjFAb2QNf7vOctHgtz6b9PI9AAF5z81g nUNCelEF2Dh9LlLsutfAlf2nH6PSczwG0k6l3tc3EBE9PRN/WbxR4oCKST0x2+yvVbxR v+VQ== MIME-Version: 1.0 X-Received: by 10.50.93.70 with SMTP id cs6mr25912403igb.6.1425361807454; Mon, 02 Mar 2015 21:50:07 -0800 (PST) Received: by 10.36.23.133 with HTTP; Mon, 2 Mar 2015 21:50:07 -0800 (PST) In-Reply-To: References: Date: Tue, 3 Mar 2015 13:50:07 +0800 Message-ID: Subject: Re: What does the error code 82 mean? From: fengyd To: freebsd-scsi@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Mar 2015 05:50:08 -0000 Hi, I should ask for help from somewhere else? Could someone kindly provide the right email address? Thanks for your help. Br. Yafeng On Tue, Mar 3, 2015 at 1:49 PM, fengyd wrote: > Hi, > > I added some log. > > > > The right information got from device: > > 00 00 03 12 5B 00 01 3A 46 55 4A 49 54 53 55 20 > > 4D 42 41 33 30 37 33 4E 50 20 20 20 20 20 20 20 > > 34 37 30 32 42 42 53 32 50 41 41 30 31 31 46 34 > > 00 00 00 00 00 00 00 00 0F 00 00 40 0B 54 01 3C > > > > The wrong information got from device: > > 00 00 00 00 03 00 12 00 5B 00 00 00 01 00 3A 00 > > 46 00 55 00 4A 00 49 00 54 00 53 00 55 00 20 00 > > 4D 00 42 00 41 00 33 00 30 00 37 00 33 00 4E 00 > > 50 00 20 00 20 00 20 00 20 00 20 00 20 00 20 00 > > > > Compared to the right log, it seems one extra byte *00* is added after > every byte. > > Do you have any idea what can cause the problem? > > > Thanks for your help. > > Br. > Yafeng > > > > On Mon, Mar 2, 2015 at 3:49 PM, fengyd wrote: > >> Hi, >> >> I found the related code in the function sym_int_sir: >> /* >> * The device wants us to tranfer more data than >> * expected or in the wrong direction. >> * The number of extra bytes is in scratcha. >> * It is a data overrun condition. >> */ >> case *SIR_DATA_OVERRUN*: >> if (cp) { >> OUTONB (HF_PRT, HF_EXT_ERR); >> * cp->xerr_status |= XE_EXTRA_DATA;* >> cp->extra_bytes += INL (nc_scratcha); >> } >> goto out; >> >> I'm not familiar with SCSI. >> What does DATA_OVERRUN actually mean? >> How can it be triggered? >> Could you give more details about it? >> >> Thanks for your help. >> >> Br. >> Yafeng >> >> >> >> On Sat, Feb 28, 2015 at 4:50 PM, fengyd wrote: >> >>> Hi, >>> >>> It seems the error code 82 & 3F is 0x12. >>> And the definition of the error code in the file cam.h: >>> CAM_AUTOSENSE_FAIL = 0x10,/* Autosense: request sense cmd fail */ >>> CAM_NO_HBA, /* No HBA Detected error */ >>> CAM_DATA_RUN_ERR, /* Data Overrun error */ >>> >>> So, it means data overrun error? >>> >>> Thanks. >>> >>> Br. >>> Yafeng >>> >>> On Sat, Feb 28, 2015 at 4:32 PM, fengyd wrote: >>> >>>> Hi, >>>> >>>> INQUIRY command is sent to the target, but error code 82 is returned. >>>> I added some log in the driver: >>>> SIR_COMPLETE_ERROR >>>> (pass0:sym0:0:0:0): sym_complete_error status = 18 >>>> (pass0:sym0:0:0:0): status = 82 >>>> >>>> Do you know what does the error code 82 mean? >>>> >>>> Thanks in advance. >>>> >>>> Br. >>>> Yafeng >>>> >>> >>> >> >