From owner-freebsd-stable@freebsd.org Tue Aug 21 18:30:55 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0FC9C107B982 for ; Tue, 21 Aug 2018 18:30:55 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [IPv6:2607:f3e0:80:80::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smarthost2.sentex.ca", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6CB7290FAC for ; Tue, 21 Aug 2018 18:30:53 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5:0:0:0:11]) by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id w7LIUqVB030501 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 21 Aug 2018 14:30:52 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [192.168.43.26] (saphire3.sentex.ca [192.168.43.26]) by lava.sentex.ca (8.15.2/8.15.2) with ESMTP id w7LIUoWX090058; Tue, 21 Aug 2018 14:30:50 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: gpart strangeness To: Eugene Grosbein , FreeBSD-STABLE Mailing List References: <4e5b6d81-7fc5-c538-2bd2-8cd5dd040a1d@sentex.net> <6be4ee74-c09d-b88f-e4ed-cadb1537e478@grosbein.net> <7886da80-d2e3-1562-07df-cb955d888e1b@sentex.net> From: Mike Tancsa Openpgp: preference=signencrypt Autocrypt: addr=mike@sentex.net; prefer-encrypt=mutual; keydata= xsBNBEzcA24BCACpwI/iqOrs0GfQSfhA1v6Z8AcXVeGsRyKEKUpxoOYxXWc2z3vndbYlIP6E YJeifzKhS/9E+VjhhICaepLHfw865TDTUPr5D0Ed+edSsKjlnDtb6hfNJC00P7eoiuvi85TW F/gAxRY269A5d856bYrzLbkWp2lKUR3Bg6NnORtflGzx9ZWAltZbjYjjRqegPv0EQNYcHqWo eRpXilEo1ahT6nmOU8V7yEvT2j4wlLcQ6qg7w+N/vcBvyd/weiwHU+vTQ9mT61x5/wUrQhdw 2gJHeQXeDGMJV49RT2EEz+QVxaf477eyWsdQzPVjAKRMT3BVdK8WvpYAEfBAbXmkboOxABEB AAHNHG1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5jYT7CwHgEEwECACIFAkzcA24CGwMGCwkI BwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEJXHwM2kc8rX+sMH/2V6pTBKsQ5mpWWLgs6wVP2k BC+6r/YKNXv9Rw/PrC6+9hTbgA+sSjJ+8gxsCbJsOQXZrxF0x3l9oYdYfuKcwdwXFX1/FS8p HfBeDkmlH+dI709xT9wgrR4dS5aMmKp0scPrXPIAKiYVOHjOlNItcLYTEEWEFBepheEVsgmk GrNbcrHwOx/u4igUQ8vcpyXPyUki+BsftPw8ZQvBU887igh0OxaCR8AurJppQ5UQd63r81cX E1ZjoFoWCaGK/SjPb/OhpYpu5swoZIhOxQbn7OtakYPsDd5t2A5KhvjI8BMTnd5Go+2xsCmr jlIEq8Bi29gCcfQUvNiClevi13ifmnnOwE0ETNwDbgEIALWGNJHRAhpd0A4vtd3G0oRqMBcM FGThQr3qORmEBTPPEomTdBaHcn+Xl+3YUvTBD/67/mutWBwgp2R5gQOSqcM7axvgMSHbKqBL 9sd1LsLw0UT2O5AYxv3EwzhG84pwRg3XcUqvWA4lA8tIj/1q4Jzi5qOkg1zxq4W9qr9oiYK5 bBR638JUvr3eHMaz/Nz+sDVFgwHmXZj3M6aE5Ce9reCGbvrae7H5D5PPvtT3r22X8SqfVAiO TFKedCf/6jbSOedPN931FJQYopj9P6b3m0nI3ZiCDVSqeyOAIBLzm+RBUIU3brzoxDhYR8pz CJc2sK8l6YjqivPakrD86bFDff8AEQEAAcLAXwQYAQIACQUCTNwDbgIbDAAKCRCVx8DNpHPK 1+iQB/99aqNtez9ZTBWELj269La8ntuRx6gCpzfPXfn6SDIfTItDxTh1hrdRVP5QNGGF5wus N4EMwXouskva1hbFX3Pv72csYSxxEJXjW16oV8WK4KjKXoskLg2RyRP4uXqL7Mp2ezNtVY5F 9nu3fj4ydpHCSaqKy5xd70A8D50PfZsFgkrsa5gdQhPiGGEdxhq/XSeAAnZ4uVLJKarH+mj5 MEhgZPEBWkGrbDZpezl9qbFcUem/uT9x8FYT/JIztMVh9qDcdP5tzANW5J7nvgXjska+VFGY ryZK4SPDczh74mn6GI/+RBi7OUzXXPgpPBrhS5FByjwCqjjsSpTjTds+NGIY Organization: Sentex Communications Message-ID: <62183e11-77ad-9b6d-ed57-357764e988d8@sentex.net> Date: Tue, 21 Aug 2018 14:30:49 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.83 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Aug 2018 18:30:55 -0000 On 8/21/2018 9:51 AM, Eugene Grosbein wrote: > > It seems like faulty media to me: it silently returns bad data. > > There is an easy way to verify this just with naked eye: > > yes | dd bs=128k of=/dev/ada0 > hd /dev/ada0 > > That is, hd(1) should write back only 3 lines of output: > > 00000000 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a |y.y.y.y.y.y.y.y.| > * > 01000000 > > If not, the media if faulty. > There are 3 of these disks I found. Unfortunately, they all seem a little different from the revision stamps on the board. They are all from PCEngines who generally seem to source quality products. This is in an APU3 A "bad" disk 0# camcontrol identify ada0 pass0: ACS-3 ATA SATA 3.x device pass0: 600.000MB/s transfers (SATA 3.x, PIO4, PIO 8192bytes) protocol ATA/ATAPI-10 SATA 3.x device model SATA SSD firmware revision S9FM02.0 serial number DED9075313EC01677930 cylinders 16383 heads 16 sectors/track 63 sector size logical 512, physical 512, offset 0 LBA supported 31277232 sectors LBA48 supported 31277232 sectors PIO supported PIO4 DMA supported WDMA2 UDMA6 media RPM non-rotating Zoned-Device Commands no Feature Support Enabled Value Vendor read ahead yes yes write cache yes yes flush cache yes yes overlap no Tagged Command Queuing (TCQ) no no Native Command Queuing (NCQ) yes 32 tags NCQ Queue Management no NCQ Streaming no Receive & Send FPDMA Queued no SMART yes yes microcode download yes yes security yes no power management yes yes advanced power management yes no 0/0x00 automatic acoustic management no no media status notification no no power-up in Standby no no write-read-verify no no unload yes yes general purpose logging yes yes free-fall no no Data Set Management (DSM/TRIM) yes DSM - max 512byte blocks yes 8 DSM - deterministic read no Host Protected Area (HPA) yes no 31277232/31277232 HPA - Security no 0# vs a 'good' disk # camcontrol identify ada0 pass0: ACS-4 ATA SATA 3.x device pass0: 600.000MB/s transfers (SATA 3.x, PIO4, PIO 8192bytes) protocol ATA/ATAPI-11 SATA 3.x device model SATA SSD firmware revision SBFM01.0 serial number A44907781CE300040613 WWN 5000000000000000 cylinders 16383 heads 16 sectors/track 63 sector size logical 512, physical 512, offset 0 LBA supported 31277232 sectors LBA48 supported 31277232 sectors PIO supported PIO4 DMA supported WDMA2 UDMA6 media RPM non-rotating Zoned-Device Commands no Feature Support Enabled Value Vendor read ahead yes yes write cache yes yes flush cache yes yes overlap no Tagged Command Queuing (TCQ) no no Native Command Queuing (NCQ) yes 32 tags NCQ Queue Management no NCQ Streaming no Receive & Send FPDMA Queued no SMART yes yes microcode download yes yes security yes no power management yes yes advanced power management no no automatic acoustic management no no media status notification no no power-up in Standby no no write-read-verify no no unload no no general purpose logging yes yes free-fall no no Data Set Management (DSM/TRIM) yes DSM - max 512byte blocks yes 8 DSM - deterministic read no Host Protected Area (HPA) yes no 31277232/31277232 HPA - Security no % diff good bad 1c1 < pass0: ACS-4 ATA SATA 3.x device --- > pass0: ACS-3 ATA SATA 3.x device 4c4 < protocol ATA/ATAPI-11 SATA 3.x --- > protocol ATA/ATAPI-10 SATA 3.x 6,8c6,7 < firmware revision SBFM01.0 < serial number A44907781CE300040613 < WWN 5000000000000000 --- > firmware revision S9FM02.0 > serial number DED9075313EC01677930 34c33 < advanced power management no no --- > advanced power management yes no 0/0x00 39c38 < unload no no --- > unload yes yes 46a46 > 1# yes | dd bs=128k of=/dev/ada0 dd: /dev/ada0: short write on character device dd: /dev/ada0: end of device 0+1066621 records in 122176+1 records out 16013942784 bytes transferred in 566.461990 secs (28270110 bytes/sec) 1# hd /dev/ada0 00000000 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a 79 0a |y.y.y.y.y.y.y.y.| * 3ba816000 0# -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada