USB 3.0 device supports USB Attached SCSI (UAS) Protocol

[vasek00]

Возможно в перспективе для 4.9 на проце 7621 поддержка данного device supports USB Attached SCSI (UAS) и сможет ли он проц осилить или поднять текущие скорости USB3 для роутера.

Есть упоминания

Скрытый текст

https://bugs.openwrt.org/index.php?do=details&task_id=1637

[ 0.000000] Linux version 4.14.50 (buildbot@builds-03.infra.lede-project.org) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r6984-fa0275b)) #0 SMP Fri Jun 22 10:22:57 2018 [ 0.000000] SoC Type: MediaTek MT7621 ver:1 eco:3 [ 0.000000] bootconsole [early0] enabled [ 0.000000] CPU0 revision is: 0001992f (MIPS 1004Kc)
...
[   11.153260] kmodloader: loading kernel modules from /tmp/overlay/upper/etc/modules-boot.d/*
[   11.407918] SCSI subsystem initialized
[   11.442899] usbcore: registered new interface driver usb-storage
[   11.455482] scsi host0: uas
[   11.459086] xhci-mtk 1e1c0000.xhci: ERROR Transfer event for unknown stream ring slot 1 ep 4
[   11.467505] xhci-mtk 1e1c0000.xhci: @000000000f78b190 0e9ae000 00000000 05000000 01058001
[   11.475647] xhci-mtk 1e1c0000.xhci: ERROR Transfer event for unknown stream ring slot 1 ep 6
[   11.484046] xhci-mtk 1e1c0000.xhci: @000000000f78b1a0 0e9ae100 00000000 05000000 01078001
[   32.575006] scsi 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN
[   32.582562] scsi 0:0:0:0: tag#0 CDB: opcode=0x12 12 00 00 00 24 00
[   32.588806] xhci-mtk 1e1c0000.xhci: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.
[   32.598592] xhci-mtk 1e1c0000.xhci: ep deq seg = 8ea5ef00, deq ptr = aea6b010
[   33.684978] scsi host0: uas_eh_device_reset_handler FAILED to get lock err -16
[   33.692180] scsi 0:0:0:0: Device offlined - not ready after error recovery
[   33.699447] usbcore: registered new interface driver uas
[   33.705098] kmodloader: done loading kernel modules from /tmp/overlay/upper/etc/modules-boot.d/*
...
[  161.234025] xhci-mtk 1e1c0000.xhci: Cannot set link state.
[  161.239536] usb usb2-port1: cannot disable (err = -32)
[  161.244695] usb 2-1: USB disconnect, device number 2
[  161.249997] xhci-mtk 1e1c0000.xhci: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.
[  161.259783] xhci-mtk 1e1c0000.xhci: ep deq seg = 8ea5e680, deq ptr = af7fc010
[  173.723928] usb 2-1: new SuperSpeed USB device number 3 using xhci-mtk
[  173.758634] scsi host0: uas
[  173.762521] xhci-mtk 1e1c0000.xhci: ERROR Transfer event for unknown stream ring slot 1 ep 4
[  173.770987] xhci-mtk 1e1c0000.xhci: @000000000f78b400 0e9ae200 00000000 05000000 01058001
[  173.779174] xhci-mtk 1e1c0000.xhci: ERROR Transfer event for unknown stream ring slot 1 ep 6
[  173.787585] xhci-mtk 1e1c0000.xhci: @000000000f78b410 0e9ae100 00000000 05000000 01078001
[  195.773489] scsi 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN
[  195.781053] scsi 0:0:0:0: tag#0 CDB: opcode=0x12 12 00 00 00 24 00
[  195.787337] xhci-mtk 1e1c0000.xhci: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.
[  195.797126] xhci-mtk 1e1c0000.xhci: ep deq seg = 8f7fde80, deq ptr = ae9ca010
[  196.863444] scsi host0: uas_eh_device_reset_handler FAILED to get lock err -16
[  196.870659] scsi 0:0:0:0: Device offlined - not ready after error recovery
...

 

 

[slomblobov]

Пробовали, UAS не поддерживается контроллером xHCI mt7621. Интересно было бы оценить производительность UAS, но увы.