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Mon, 12 Apr 2021 16:28:53 -0400 (EDT) To: current@freebsd.org From: Yuri Pankov Subject: "ahci0: AHCI v1.30 with 6 6Gbps ports" while only 2 of those are SATA3 Message-ID: <5cf3b854-3efb-f4f4-ff2a-0585b68cb359@yuripv.dev> Date: Mon, 12 Apr 2021 23:28:50 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4FK0gq1Gcjz4sFd X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yuripv.dev header.s=fm1 header.b=jb1Jl4fx; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=cn71Q1TC; dmarc=none; spf=pass (mx1.freebsd.org: domain of yuripv@yuripv.dev designates 66.111.4.28 as permitted sender) smtp.mailfrom=yuripv@yuripv.dev X-Spamd-Result: default: False [-1.60 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[66.111.4.28:from]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.28]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yuripv.dev:+,messagingengine.com:+]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[66.111.4.28:from]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.28:from]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[yuripv.dev:s=fm1,messagingengine.com:s=fm2]; FREEFALL_USER(0.00)[yuripv]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; DMARC_NA(0.00)[yuripv.dev]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[66.111.4.28:from:127.0.2.255]; NEURAL_SPAM_LONG(1.00)[1.000]; MAILMAN_DEST(0.00)[current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Mon, 12 Apr 2021 20:28:56 -0000 That is on somewhat older Supermicro X9DRI-LN4F+ board: ahci0: port 0x9050-0x9057,0x9040-0x9043,0x9030-0x9037,0x9020-0x9023,0x9000-0x901f mem 0xdfa21000-0xdfa217ff irq 18 at device 31.2 numa-domain 0 on pci0 ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported and then I was confused by messages about SATA3 drives connected to ports 2-5 (see the "transfers" line): ada1 at ahcich2 bus 0 scbus2 target 0 lun 0 ada1: ACS-3 ATA SATA 3.x device ada1: Serial Number WD-WX32D7088CCV ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 3815447MB (7814037168 512 byte sectors) Checking the board manual made it clear than only ports 0-1 are SATA3, and 2-5 are indeed SATA2. While the issue is purely cosmetic, I wonder if it's possible to print real port speeds for the controller, i.e. if this information is available to driver?