I tried patch from comment 147. The error "WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state" has gone. But behavior USDB3.1 still the same. Why did I even start looking for the reason for the strange behavior of OSD ports: two my JetFlash Transcend 8GB flash drives connected to the USB3 port is sometimes not detected by the system as being mountable (fat32). When I run a disk check (8 Gb) with the command badblocks -nvs / dev / sdd, then after a while the check ends with the following error: Pass completed, 5662144 bad blocks found. (5662144/0/0 errors). And both flash drives. But if you connect them to USB2, then there are no errors at all. At the same time, when looking at the logs, I found errors: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. Now, after patch, i get next in logs: Feb 03 17:47:14 [kernel] [ 52.603587] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:47:14 [kernel] [ 52.636130] usb-storage 2-3:1.0: USB Mass Storage device detected Feb 03 17:47:14 [kernel] [ 52.636242] scsi host11: usb-storage 2-3:1.0 Feb 03 17:47:14 [kernel] [ 52.651996] usbcore: registered new interface driver uas Feb 03 17:47:16 [kernel] [ 54.013780] scsi 11:0:0:0: Direct-Access JetFlash Transcend 8GB 1100 PQ: 0 ANSI: 6 Feb 03 17:47:16 [kernel] [ 54.014688] sd 11:0:0:0: [sdd] 15425536 512-byte logical blocks: (7.90 GB/7.36 GiB) Feb 03 17:47:16 [kernel] [ 54.015150] sd 11:0:0:0: [sdd] Write Protect is off Feb 03 17:47:16 [kernel] [ 54.015156] sd 11:0:0:0: [sdd] Mode Sense: 43 00 00 00 Feb 03 17:47:16 [kernel] [ 54.015625] sd 11:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Feb 03 17:47:16 [kernel] [ 54.028165] sdd: sdd1 Feb 03 17:47:16 [kernel] [ 54.045687] sd 11:0:0:0: [sdd] Attached SCSI removable disk Feb 03 17:48:04 [kernel] [ 102.221862] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:51:52 [kernel] [ 330.009696] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:55:55 [kernel] [ 573.644576] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:01 [kernel] [ 579.149875] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:01 [kernel] [ 579.254204] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:06 [kernel] [ 584.781836] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:07 [kernel] [ 585.073435] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:12 [kernel] [ 590.413816] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:12 [kernel] [ 590.518146] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:18 [kernel] [ 596.046034] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:18 [kernel] [ 596.336445] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:23 [kernel] [ 601.677932] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:23 [kernel] [ 601.782091] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:29 [kernel] [ 607.309722] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:29 [kernel] [ 607.598490] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:35 [kernel] [ 612.941883] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:35 [kernel] [ 613.046062] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Feb 03 17:56:40 [kernel] [ 618.573664] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:40 [kernel] [ 618.694297] usb 2-3: USB disconnect, device number 2 Feb 03 17:56:40 [kernel] [ 618.702083] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 16 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702241] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702275] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702280] Buffer I/O error on dev sdd, logical block 512656, async page read Feb 03 17:56:40 [kernel] [ 618.702318] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702343] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702346] Buffer I/O error on dev sdd, logical block 512656, async page read Feb 03 17:56:40 [kernel] [ 618.702376] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702401] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702403] Buffer I/O error on dev sdd, logical block 512656, async page read Feb 03 17:56:40 [kernel] [ 618.702434] blk_update_request: I/O error, dev sdd, sector 4101248 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702463] blk_update_request: I/O error, dev sdd, sector 4101256 op 0x0:(READ) flags 0x0 phys_seg 15 prio class 0 Feb 03 17:56:40 [kernel] [ 618.702494] Buffer I/O error on dev sdd, logical block 512657, async page read Feb 03 17:56:40 [kernel] [ 618.702509] Buffer I/O error on dev sdd, logical block 512657, async page read Feb 03 17:56:40 [kernel] [ 618.702521] Buffer I/O error on dev sdd, logical block 512657, async page read Feb 03 17:56:40 [kernel] [ 618.702597] Buffer I/O error on dev sdd, logical block 512659, async page read Feb 03 17:56:41 [kernel] [ 618.892181] usb 2-3: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd Feb 03 17:56:45 [kernel] [ 623.702972] buffer_io_error: 2070133 callbacks suppressed Feb 03 17:56:45 [kernel] [ 623.702975] Buffer I/O error on dev sdd, logical block 1030195, async page read Feb 03 17:56:45 [kernel] [ 623.702979] Buffer I/O error on dev sdd, logical block 1030196, async page read Feb 03 17:56:45 [kernel] [ 623.702983] Buffer I/O error on dev sdd, logical block 1030196, async page read Feb 03 17:56:45 [kernel] [ 623.702986] Buffer I/O error on dev sdd, logical block 1030196, async page read Feb 03 17:56:45 [kernel] [ 623.702988] Buffer I/O error on dev sdd, logical block 1030196, async page read Feb 03 17:56:45 [kernel] [ 623.702991] Buffer I/O error on dev sdd, logical block 1030197, async page read Feb 03 17:56:45 [kernel] [ 623.702993] Buffer I/O error on dev sdd, logical block 1030197, async page read Feb 03 17:56:45 [kernel] [ 623.702995] Buffer I/O error on dev sdd, logical block 1030197, async page read Feb 03 17:56:45 [kernel] [ 623.702997] Buffer I/O error on dev sdd, logical block 1030197, async page read Feb 03 17:56:45 [kernel] [ 623.703000] Buffer I/O error on dev sdd, logical block 1030198, async page read Feb 03 17:56:46 [kernel] [ 624.205633] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:46 [kernel] [ 624.309977] usb 2-3: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd Feb 03 17:56:50 [kernel] [ 628.703937] buffer_io_error: 2089117 callbacks suppressed Feb 03 17:56:50 [kernel] [ 628.703939] Buffer I/O error on dev sdd, logical block 1552477, async page read Feb 03 17:56:50 [kernel] [ 628.703942] Buffer I/O error on dev sdd, logical block 1552477, async page read Feb 03 17:56:50 [kernel] [ 628.703945] Buffer I/O error on dev sdd, logical block 1552478, async page read Feb 03 17:56:50 [kernel] [ 628.703948] Buffer I/O error on dev sdd, logical block 1552478, async page read Feb 03 17:56:50 [kernel] [ 628.703950] Buffer I/O error on dev sdd, logical block 1552478, async page read Feb 03 17:56:50 [kernel] [ 628.703953] Buffer I/O error on dev sdd, logical block 1552478, async page read Feb 03 17:56:50 [kernel] [ 628.703955] Buffer I/O error on dev sdd, logical block 1552479, async page read Feb 03 17:56:50 [kernel] [ 628.703958] Buffer I/O error on dev sdd, logical block 1552479, async page read Feb 03 17:56:50 [kernel] [ 628.703960] Buffer I/O error on dev sdd, logical block 1552479, async page read Feb 03 17:56:50 [kernel] [ 628.703963] Buffer I/O error on dev sdd, logical block 1552479, async page read Feb 03 17:56:51 [kernel] [ 629.838589] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:52 [kernel] [ 630.129112] usb 2-3: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd Feb 03 17:56:57 [kernel] [ 635.469561] usb 2-3: device descriptor read/8, error -110 Feb 03 17:56:57 [kernel] [ 635.573925] usb 2-3: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd Feb 03 17:57:03 [kernel] [ 641.101804] usb 2-3: device descriptor read/8, error -110 Feb 03 17:57:03 [kernel] [ 641.214076] usb usb2-port3: attempt power cycle Feb 03 17:57:04 [kernel] [ 642.323012] usb 2-3: new SuperSpeed Gen 1 USB device number 5 using xhci_hcd Feb 03 17:57:09 [kernel] [ 647.757472] usb 2-3: device descriptor read/8, error -110 Feb 03 17:57:09 [kernel] [ 647.861845] usb 2-3: new SuperSpeed Gen 1 USB device number 5 using xhci_hcd Feb 03 17:57:15 [kernel] [ 653.390427] usb 2-3: device descriptor read/8, error -110 Feb 03 17:57:15 [kernel] [ 653.680943] usb 2-3: new SuperSpeed Gen 1 USB device number 6 using xhci_hcd Feb 03 17:57:21 [kernel] [ 659.022390] usb 2-3: device descriptor read/8, error -110 Feb 03 17:57:21 [kernel] [ 659.125736] usb 2-3: new SuperSpeed Gen 1 USB device number 6 using xhci_hcd Feb 03 17:57:26 [kernel] [ 664.653379] usb 2-3: device descriptor read/8, error -110 Feb 03 17:57:26 [kernel] [ 664.765744] usb usb2-port3: unable to enumerate USB device