[Bug 229745] ahcich: CAM status: Command timeout

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229745

--- Comment #1 from Alexey <fbsd98816551 at avksrv.org> ---
Also we have some recently installed Supermicro X10DRW-i servers with same
problems. Such servers were installed to 11.2, so we have no statistic for 11.1

ahci0: <Intel Wellsburg AHCI SATA controller> port
0x70b0-0x70b7,0x70a0-0x70a3,0x7090-0x7097,0x7080-0x7083,0x7000-0x701f mem
0xc7237000-0xc72377ff irq 16 at device 17.4 numa-domain 0 on pci2
ahci0: AHCI v1.30 with 4 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich3: <AHCI channel> at channel 3 on ahci0
ahciem0: <AHCI enclosure management bridge> on ahci0

(there are two SATA controllers on MB, after problem was detected second was
disabled in BIOS, second use to be same Intel Wellsburg AHCI SATA controller)

ses0 at ahciem0 bus 0 scbus4 target 0 lun 0
ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
ses0: SEMB SES Device
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <HGST HUS722T1TALA604 RAGNWA07> ACS-3 ATA SATA 3.x device
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 953869MB (1953525168 512 byte sectors)


Here we have lost disk twise. power off/on return disk back, but timeouts
return again after some while.

We already upgrade BIOS to latest one here also.

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