Hit something that looks related: [ 494.062055] sd 2:0:0:0: [sda] tag#12 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD [ 494.069923] sd 2:0:0:0: [sda] tag#12 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 499.182085] sd 2:0:0:0: [sda] tag#13 uas_eh_abort_handler 0 uas-tag 2 inflight: CMD OUT [ 499.190310] sd 2:0:0:0: [sda] tag#13 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 504.302113] sd 2:0:0:0: [sda] tag#19 uas_eh_abort_handler 0 uas-tag 5 inflight: CMD OUT [ 504.310336] sd 2:0:0:0: [sda] tag#19 CDB: Write(10) 2a 00 00 00 95 da 00 00 01 00 [ 504.318248] sd 2:0:0:0: [sda] tag#16 uas_eh_abort_handler 0 uas-tag 6 inflight: CMD OUT [ 504.326469] sd 2:0:0:0: [sda] tag#16 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 504.334437] sd 2:0:0:0: [sda] tag#15 uas_eh_abort_handler 0 uas-tag 4 inflight: CMD OUT [ 504.342655] sd 2:0:0:0: [sda] tag#15 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 504.350586] sd 2:0:0:0: [sda] tag#14 uas_eh_abort_handler 0 uas-tag 3 inflight: CMD OUT [ 504.358801] sd 2:0:0:0: [sda] tag#14 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 504.382114] scsi host2: uas_eh_device_reset_handler start [ 504.470745] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 504.501501] scsi host2: uas_eh_device_reset_handler success [ 505.096703] xhci_hcd 0000:01:00.0: ERROR Transfer event for unknown stream ring slot 5 ep 7 [ 505.105187] xhci_hcd 0000:01:00.0: @000000042e805080 00000000 00000000 05000000 05088001 [ 535.538311] scsi host2: uas_eh_device_reset_handler start [ 535.544699] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.554032] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.563364] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.572693] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.582020] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.591345] sd 2:0:0:0: [sda] tag#17 uas_zap_pending 0 uas-tag 1 inflight: CMD [ 535.591346] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 535.608031] sd 2:0:0:0: [sda] tag#17 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 535.615624] sd 2:0:0:0: [sda] tag#18 uas_zap_pending 0 uas-tag 2 inflight: CMD [ 535.623038] sd 2:0:0:0: [sda] tag#18 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 535.630629] sd 2:0:0:0: [sda] tag#16 uas_zap_pending 0 uas-tag 3 inflight: CMD [ 535.638042] sd 2:0:0:0: [sda] tag#16 CDB: Write(10) 2a 00 00 00 95 da 00 00 01 00 [ 535.645632] sd 2:0:0:0: [sda] tag#19 uas_zap_pending 0 uas-tag 4 inflight: CMD [ 535.653044] sd 2:0:0:0: [sda] tag#19 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 535.660635] sd 2:0:0:0: [sda] tag#22 uas_zap_pending 0 uas-tag 5 inflight: CMD [ 535.668048] sd 2:0:0:0: [sda] tag#22 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 535.675638] sd 2:0:0:0: [sda] tag#23 uas_zap_pending 0 uas-tag 6 inflight: CMD [ 535.683050] sd 2:0:0:0: [sda] tag#23 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 535.770913] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 535.801666] scsi host2: uas_eh_device_reset_handler success [ 566.258858] scsi host2: uas_eh_device_reset_handler start [ 566.265609] sd 2:0:0:0: [sda] tag#21 uas_zap_pending 0 uas-tag 2 inflight: CMD [ 566.273028] sd 2:0:0:0: [sda] tag#21 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 566.280619] sd 2:0:0:0: [sda] tag#22 uas_zap_pending 0 uas-tag 3 inflight: CMD [ 566.288034] sd 2:0:0:0: [sda] tag#22 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 566.295623] sd 2:0:0:0: [sda] tag#23 uas_zap_pending 0 uas-tag 4 inflight: CMD [ 566.303036] sd 2:0:0:0: [sda] tag#23 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 566.310626] sd 2:0:0:0: [sda] tag#24 uas_zap_pending 0 uas-tag 5 inflight: CMD [ 566.318038] sd 2:0:0:0: [sda] tag#24 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 566.325629] sd 2:0:0:0: [sda] tag#25 uas_zap_pending 0 uas-tag 6 inflight: CMD [ 566.333040] sd 2:0:0:0: [sda] tag#25 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 566.419460] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 566.450197] scsi host2: uas_eh_device_reset_handler success [ 567.048882] xhci_hcd 0000:01:00.0: ERROR Transfer event for unknown stream ring slot 5 ep 7 [ 567.057366] xhci_hcd 0000:01:00.0: @000000042e806590 00000000 00000000 05000000 05088001 [ 596.979347] scsi host2: uas_eh_device_reset_handler start [ 596.985629] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 596.994964] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 597.004302] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 597.013634] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 597.022958] sd 2:0:0:0: [sda] tag#26 uas_zap_pending 0 uas-tag 1 inflight: CMD [ 597.022961] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 597.030379] sd 2:0:0:0: [sda] tag#26 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 597.047228] sd 2:0:0:0: [sda] tag#27 uas_zap_pending 0 uas-tag 2 inflight: CMD [ 597.054642] sd 2:0:0:0: [sda] tag#27 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 597.062233] sd 2:0:0:0: [sda] tag#0 uas_zap_pending 0 uas-tag 3 inflight: CMD [ 597.069558] sd 2:0:0:0: [sda] tag#0 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 597.077059] sd 2:0:0:0: [sda] tag#1 uas_zap_pending 0 uas-tag 4 inflight: CMD [ 597.084384] sd 2:0:0:0: [sda] tag#1 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 597.091886] sd 2:0:0:0: [sda] tag#2 uas_zap_pending 0 uas-tag 5 inflight: CMD [ 597.099210] sd 2:0:0:0: [sda] tag#2 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 597.187944] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 597.218702] scsi host2: uas_eh_device_reset_handler success [ 597.815113] xhci_hcd 0000:01:00.0: ERROR Transfer event for unknown stream ring slot 5 ep 7 [ 597.823599] xhci_hcd 0000:01:00.0: @000000042e807170 00000000 00000000 05000000 05088001 [ 605.155464] INFO: task kworker/u8:2:154 blocked for more than 120 seconds. [ 605.162461] Tainted: G C E 5.4.0-1036-raspi #39-Ubuntu [ 605.169371] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 605.177335] kworker/u8:2 D 0 154 2 0x00000028 [ 605.182939] Workqueue: writeback wb_workfn (flush-8:0) [ 605.188199] Call trace: [ 605.190699] __switch_to+0x144/0x1a0 [ 605.194347] __schedule+0x334/0x838 [ 605.197900] schedule+0x4c/0xe8 [ 605.201098] io_schedule+0x24/0x90 [ 605.204559] rq_qos_wait+0x108/0x180 [ 605.208199] wbt_wait+0xbc/0xf8 [ 605.211381] __rq_qos_throttle+0x38/0x50 [ 605.215372] blk_mq_make_request+0x130/0x708 [ 605.219716] generic_make_request+0xbc/0x350 [ 605.224058] submit_bio+0x4c/0x280 [ 605.227521] submit_bh_wbc+0x194/0x208 [ 605.231321] __block_write_full_page+0x308/0x588 [ 605.236016] block_write_full_page+0x104/0x128 [ 605.240535] blkdev_writepage+0x34/0x40 [ 605.244437] __writepage+0x3c/0xa0 [ 605.247898] write_cache_pages+0x1c4/0x468 [ 605.252064] generic_writepages+0x64/0xa0 [ 605.256141] blkdev_writepages+0x2c/0x38 [ 605.260132] do_writepages+0x5c/0x110 [ 605.263859] __writeback_single_inode+0x4c/0x4d0 [ 605.268555] writeback_sb_inodes+0x214/0x4a8 [ 605.272899] __writeback_inodes_wb+0x58/0x110 [ 605.277331] wb_writeback+0x264/0x3e8 [ 605.281057] wb_workfn+0x47c/0x5f0 [ 605.284517] process_one_work+0x1c4/0x460 [ 605.288594] worker_thread+0x54/0x428 [ 605.292321] kthread+0x150/0x170 [ 605.295606] ret_from_fork+0x10/0x18 [ 627.699776] scsi host2: uas_eh_device_reset_handler start [ 627.706070] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 627.715409] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 627.724741] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 627.734066] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 627.743384] sd 2:0:0:0: [sda] tag#3 uas_zap_pending 0 uas-tag 1 inflight: CMD [ 627.743392] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 627.750719] sd 2:0:0:0: [sda] tag#3 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 627.767480] sd 2:0:0:0: [sda] tag#4 uas_zap_pending 0 uas-tag 2 inflight: CMD [ 627.774806] sd 2:0:0:0: [sda] tag#4 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 627.782309] sd 2:0:0:0: [sda] tag#5 uas_zap_pending 0 uas-tag 3 inflight: CMD [ 627.789634] sd 2:0:0:0: [sda] tag#5 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 627.797135] sd 2:0:0:0: [sda] tag#6 uas_zap_pending 0 uas-tag 4 inflight: CMD [ 627.804459] sd 2:0:0:0: [sda] tag#6 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 627.811962] sd 2:0:0:0: [sda] tag#7 uas_zap_pending 0 uas-tag 5 inflight: CMD [ 627.819286] sd 2:0:0:0: [sda] tag#7 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 627.908380] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 627.939114] scsi host2: uas_eh_device_reset_handler success [ 628.535255] xhci_hcd 0000:01:00.0: ERROR Transfer event for unknown stream ring slot 5 ep 7 [ 628.543741] xhci_hcd 0000:01:00.0: @000000042e807ee0 00000000 00000000 05000000 05088001 [ 658.420157] scsi host2: uas_eh_device_reset_handler start [ 658.426336] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 658.435642] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 658.444945] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 658.454242] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 658.463534] sd 2:0:0:0: [sda] tag#8 uas_zap_pending 0 uas-tag 1 inflight: CMD [ 658.463539] xhci_hcd 0000:01:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. [ 658.470866] sd 2:0:0:0: [sda] tag#8 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 658.487629] sd 2:0:0:0: [sda] tag#9 uas_zap_pending 0 uas-tag 2 inflight: CMD [ 658.494956] sd 2:0:0:0: [sda] tag#9 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 658.502459] sd 2:0:0:0: [sda] tag#10 uas_zap_pending 0 uas-tag 3 inflight: CMD [ 658.509872] sd 2:0:0:0: [sda] tag#10 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 658.517462] sd 2:0:0:0: [sda] tag#11 uas_zap_pending 0 uas-tag 4 inflight: CMD [ 658.524874] sd 2:0:0:0: [sda] tag#11 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 658.532464] sd 2:0:0:0: [sda] tag#12 uas_zap_pending 0 uas-tag 5 inflight: CMD [ 658.539877] sd 2:0:0:0: [sda] tag#12 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 658.632777] usb 2-2.2: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [ 658.663534] scsi host2: uas_eh_device_reset_handler success [ 658.669525] sd 2:0:0:0: [sda] tag#8 FAILED Result: hostbyte=DID_RESET driverbyte=DRIVER_SENSE [ 658.678201] sd 2:0:0:0: [sda] tag#8 Sense Key : Not Ready [current] [ 658.684667] sd 2:0:0:0: [sda] tag#8 Add. Sense: Logical unit is in process of becoming ready [ 658.693249] sd 2:0:0:0: [sda] tag#8 CDB: Write(10) 2a 00 00 00 99 8b 00 00 1a 00 [ 658.700774] blk_update_request: I/O error, dev sda, sector 39307 op 0x1:(WRITE) flags 0x100000 phys_seg 26 prio class 0 [ 658.711735] Buffer I/O error on dev sda1, logical block 37259, lost async page write [ 658.719612] Buffer I/O error on dev sda1, logical block 37260, lost async page write [ 658.727484] Buffer I/O error on dev sda1, logical block 37261, lost async page write [ 658.735358] Buffer I/O error on dev sda1, logical block 37262, lost async page write [ 658.743231] Buffer I/O error on dev sda1, logical block 37263, lost async page write [ 658.751175] Buffer I/O error on dev sda1, logical block 37264, lost async page write [ 658.759083] Buffer I/O error on dev sda1, logical block 37265, lost async page write [ 658.766963] Buffer I/O error on dev sda1, logical block 37266, lost async page write [ 658.774838] Buffer I/O error on dev sda1, logical block 37267, lost async page write [ 658.782721] Buffer I/O error on dev sda1, logical block 37268, lost async page write [ 658.790674] sd 2:0:0:0: [sda] tag#9 FAILED Result: hostbyte=DID_RESET driverbyte=DRIVER_OK [ 658.799088] sd 2:0:0:0: [sda] tag#9 CDB: Write(10) 2a 00 00 00 08 01 00 00 01 00 [ 658.806609] blk_update_request: I/O error, dev sda, sector 2049 op 0x1:(WRITE) flags 0x100000 phys_seg 1 prio class 0 [ 658.817425] sd 2:0:0:0: [sda] tag#10 FAILED Result: hostbyte=DID_RESET driverbyte=DRIVER_OK [ 658.825919] sd 2:0:0:0: [sda] tag#10 CDB: Write(10) 2a 00 00 02 6d e4 00 00 34 00 [ 658.833529] blk_update_request: I/O error, dev sda, sector 159204 op 0x1:(WRITE) flags 0x100000 phys_seg 15 prio class 0 [ 658.844651] sd 2:0:0:0: [sda] tag#11 FAILED Result: hostbyte=DID_RESET driverbyte=DRIVER_OK [ 658.853152] sd 2:0:0:0: [sda] tag#11 CDB: Write(10) 2a 00 00 02 6d 4f 00 00 48 00 [ 658.860779] blk_update_request: I/O error, dev sda, sector 159055 op 0x1:(WRITE) flags 0x100000 phys_seg 19 prio class 0 [ 658.871935] sd 2:0:0:0: [sda] tag#12 FAILED Result: hostbyte=DID_RESET driverbyte=DRIVER_OK [ 658.880433] sd 2:0:0:0: [sda] tag#12 CDB: Write(10) 2a 00 00 02 6d 97 00 00 4d 00 [ 658.888054] blk_update_request: I/O error, dev sda, sector 159127 op 0x1:(WRITE) flags 0x100000 phys_seg 21 prio class 0