Hello, as reported on https://bugzilla.kernel.org/show_bug.cgi?id=196739 a Transcend 25M3 device with ASM1153 chipset is detected as ASM1051 and breaking UAS support as this one is blacklisted. But after contacting the manufacturer claimed this model has a ASM1153 and supported by UASP. So I double checked the chip on the microscope and it is true, this is a ASM1153 and detection has failed. syslog after attaching: [kernel] usb 4-2: new SuperSpeed USB device number 4 using xhci_hcd [kernel] usb 4-2: New USB device found, idVendor=174c, idProduct=5106 [kernel] usb 4-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1 [kernel] usb 4-2: Product: StoreJet Transcend [kernel] usb 4-2: Manufacturer: StoreJet Transcend [kernel] usb 4-2: SerialNumber: S36VJ9CH307FOO [kernel] usb-storage 4-2:1.0: USB Mass Storage device detected [kernel] scsi host7: usb-storage 4-2:1.0 [kernel] scsi 7:0:0:0: Direct-Access StoreJet Transcend 0 PQ: 0 ANSI: 6 [kernel] sd 7:0:0:0: Attached scsi generic sg3 type 0 [kernel] sd 7:0:0:0: [sdd] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB) [kernel] sd 7:0:0:0: [sdd] Write Protect is off [kernel] sd 7:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [kernel] sdd: sdd1 [kernel] sd 7:0:0:0: [sdd] Attached SCSI disk From lsusb -vv: Bus 004 Device 005: ID 174c:5106 ASMedia Technology Inc. ASM1051 SATA 3Gb/s bridge Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.00 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 9 idVendor 0x174c ASMedia Technology Inc. idProduct 0x5106 ASM1051 SATA 3Gb/s bridge bcdDevice 80.00 iManufacturer 2 StoreJet Transcend iProduct 3 StoreJet Transcend iSerial 1 S36VJ9CH307FOO bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 44 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk-Only iInterface 0 Best regards, Massimo
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