Date: Thu, 2 Mar 2017 00:16:58 -0500 From: Zaphod Beeblebrox <zbeeble@gmail.com> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Disk controller heizenbug. Message-ID: <CACpH0Mdu7g2YCUphtZ_2P0T7-Ju9XH0QGoL-pSGei6nDQtpnvA@mail.gmail.com>
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I have a disk controller. I works in a modern AMD motherboard at home (9590 processor), but when connected to a sunfire 4140 (opteron 2345 based machine vintage 2008-ish) the disks spontaneously detach by just doing a "zfs import" The board has it's own mounting for the flash disks (two of them) and probes as: ahci0: <Marvell 88SE9230 AHCI SATA controller> port 0x8c00-0x8c07,0x8880-0x8883,0x8800-0x8807,0x8480-0x8483,0x8400-0x841f mem 0xdfbff800-0xdfbfffff irq 16 at device 0.0 numa-domain 0 on pci3 The disks show up as: ada0 at ahcich0 bus 0 scbus6 target 0 lun 0 ada0: <Samsung SSD 850 EVO mSATA 250GB EMT41B6Q> ACS-2 ATA SATA 3.x device ada0: Serial Number S248NXAH112465B ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes) ada0: Command Queueing enabled ada0: 238475MB (488397168 512 byte sectors) ada0: quirks=0x3<4K,NCQ_TRIM_BROKEN> Under heavy bonnie++, they work in the AMD 9590 system. On the opteron machine, the following occurs: ahcich1: Timeout on slot 11 port 0 ahcich1: is ffffffff cs ffffffff ss ffffffff rs 00000800 tfd ffffffff serr ffffffff cmd ffffffff (ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 90 e0 20 a0 40 17 00 00 00 00 00 (ada1:ahcich1:0:0:0): CAM status: Command timeout (ada1:ahcich1:0:0:0): Retrying command ahcich1: stopping AHCI engine failed ahcich0: ada1 at ahcich1 bus 0 scbus7 target 0 lun 0 Timeout on slot 31 port 0 ada1: ahcich0: <Samsung SSD 850 EVO mSATA 250GB EMT41B6Q>is ffffffff cs ffffffff ss ffffffff rs 80000000 tfd ffffffff serr ffffffff cmd ffffffff s/n S248NXAH112471L detached (ada0:ahcich0:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 90 e0 20 a0 40 17 00 00 00 00 00 (ada0:ahcich0:0:0:0): CAM status: Command timeout (ada0:ahcich0:0:0:0): Retrying command ahcich0: stopping AHCI engine failed ada0 at ahcich0 bus 0 scbus6 target 0 lun 0 ada0: <Samsung SSD 850 EVO mSATA 250GB EMT41B6Q> s/n S248NXAH112465B detached [2:43:343]root@yak:/usr/ports/net-mgmt/net-snmp> less /var/run/dmesg.boot [2:44:344]root@yak:/usr/ports/net-mgmt/net-snmp> dmesg pid 78200 (httpd), uid 80: exited on signal 11 ahcich1: Timeout on slot 11 port 0 ahcich1: is ffffffff cs ffffffff ss ffffffff rs 00000800 tfd ffffffff serr ffffffff cmd ffffffff (ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 90 e0 20 a0 40 17 00 00 00 00 00 (ada1:ahcich1:0:0:0): CAM status: Command timeout (ada1:ahcich1:0:0:0): Retrying command ahcich1: stopping AHCI engine failed ahcich0: ada1 at ahcich1 bus 0 scbus7 target 0 lun 0 Timeout on slot 31 port 0 ada1: ahcich0: <Samsung SSD 850 EVO mSATA 250GB EMT41B6Q>is ffffffff cs ffffffff ss ffffffff rs 80000000 tfd ffffffff serr ffffffff cmd ffffffff s/n S248NXAH112471L detached (ada0:ahcich0:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 90 e0 20 a0 40 17 00 00 00 00 00 (ada0:ahcich0:0:0:0): CAM status: Command timeout (ada0:ahcich0:0:0:0): Retrying command ahcich0: stopping AHCI engine failed ada0 at ahcich0 bus 0 scbus6 target 0 lun 0 ada0: <Samsung SSD 850 EVO mSATA 250GB EMT41B6Q> s/n S248NXAH112465B detached I'm posting here to hackers because this seems to violate layers --- on the AMD machine ... it runs fine... even under load. The SATA bus is local to the card (and so travels with it to the server), yet the error looks like a SATA BUS or drive error. What gives?
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