From owner-freebsd-scsi@FreeBSD.ORG Fri Aug 15 06:13:14 2014 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E86BB4F0 for ; Fri, 15 Aug 2014 06:13:14 +0000 (UTC) Received: from mail-vc0-x234.google.com (mail-vc0-x234.google.com [IPv6:2607:f8b0:400c:c03::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AAC352ABE for ; Fri, 15 Aug 2014 06:13:14 +0000 (UTC) Received: by mail-vc0-f180.google.com with SMTP id ij19so2551003vcb.39 for ; Thu, 14 Aug 2014 23:13:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=IvRrY87eHEM6T7I2eP15WtWfk8vz737qysae8phWKok=; b=gRBhlUSP6OoVhqDHMcsf+mbqMNSI0nYZLvkAu/VT67lhApDRplSq2Nh6kzzA9hhPWB xhlv3m4sWmXJn4o9iJj4JzZclljvzV0z+A9ATuV7Z8C6koS6UdjXxmvnbtjtoH8KKP4h HIwZXGwky2iaLIQKQtoUoj+Mfwzv0Hd33UTKxWAHOzxD9Viq8C4xAP9f2jcReKkAywJo drUuWlsXLCwgSoPN3FvMofzNbj8eEh4N7AOIf7aMT4vgjOywhL2NSPlDhcUz9mnmnDjL iWchMQKkjyQaP+W41QeRvBDAOBiEfBxr6Cdey4ITEMyQinGGbIU+hjAgab2dkQTDbBLm 7IRw== MIME-Version: 1.0 X-Received: by 10.220.79.68 with SMTP id o4mr7247412vck.38.1408083193466; Thu, 14 Aug 2014 23:13:13 -0700 (PDT) Received: by 10.221.65.131 with HTTP; Thu, 14 Aug 2014 23:13:13 -0700 (PDT) Date: Fri, 15 Aug 2014 02:13:13 -0400 Message-ID: Subject: CAM_REQ_CMP_ERR From: grarpamp To: freebsd-scsi@freebsd.org Content-Type: text/plain; charset=UTF-8 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: Fri, 15 Aug 2014 06:13:15 -0000 I get a lot of these. Searching doesn't say much about them. What do they mean? A user data corruption error? (Seems to happen at random locations, so I doubt this.) Can I bump the retry count somehow? (kern.cam.da.retry_count does not seem to do this.) Thanks. cam.h: CAM_REQ_CMP_ERR, /* CCB request completed with an error */ 8 STABLE r269631 kernel: (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR kernel: (da0:umass-sim0:0:0:0): Retrying command ... kernel: (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR kernel: (da0:umass-sim0:0:0:0): Error 5, Retries exhausted ugen3.2: at usbus3 umass0: on usbus3 umass0: SCSI over Bulk-Only; quirks = 0x4100 umass0:3:0:-1: Attached to scbus3 (probe0:umass-sim0:0:0:0): Down reving Protocol Version from 2 to 0? pass2 at umass-sim0 bus 0 scbus3 target 0 lun 0 pass2: Removable Direct Access SCSI-0 device pass2: Serial Number num pass2: 40.000MB/s transfers GEOM: new disk da0 da0 at umass-sim0 bus 0 scbus3 target 0 lun 0 da0: Removable Direct Access SCSI-0 device da0: Serial Number num da0: 40.000MB/s transfers da0: sizeMB (count 512 byte sectors: 64H 32S/T sizeC) da0: quirks=0x2 da0: Delete methods: