Greg, I have cherry-picked 9 patches as follows. d921462 USB: uas and storage: Add US_FL_BROKEN_FUA for another JMicron JMS567 ID d7321ce uas: Add US_FL_IGNORE_RESIDUE for Initio Corporation INIC-3069 b3568a9 uas: Always apply US_FL_NO_ATA_1X quirk to Seagate devices 66215a3 USB: uas: fix bug in handling of alternate settings 34ce628 scsi: uas: move eh_bus_reset_handler to eh_device_reset_handler c5afd93 uas: remove can_queue set in host template 75b8da4 USB: uas: add full support for RESPONSE IU befea02 uas: no gfp argument to uas_submit_urbs() 849b7c6 uas: use the BIT() macro I will try and update the same if possible to duplicate this on 4.14.14 or 4.15 On Mon, Feb 5, 2018 at 11:40 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Feb 05, 2018 at 11:34:40PM +0530, Tushar Nimkar wrote: >> Hi , >> >> I am enabling uas support. And facing the issue as follows. >> >> I have observed that when ( Transcend StoreJet TS256GESD400K ) >> connected to my custom board, it detects first then >> uas_eh_abort_handler() get call and then reset and enumerates >> properly.When same device is used with 2.0 HUB their is no such issue. >> >> >> logs-->Super-speed >> >> [ 323.912384] usb 2-1: new SuperSpeed USB device number 3 using xhci-hcd >> [ 323.947103] scsi host1: uas >> [ 323.948153] scsi 1:0:0:0: Direct-Access StoreJet TS256GESD400K >> 0 PQ: 0 ANSI: 6 >> [ 323.949825] sd 1:0:0:0: [sda] 500118192 512-byte logical blocks: >> (256 GB/238 GiB) >> [ 354.092341] sd 1:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 >> inflight: CMD IN >> [ 354.092380] sd 1:0:0:0: tag#0 CDB: opcode=0x12 12 01 00 00 40 00 >> [ 354.098922] scsi host1: uas_eh_device_reset_handler start >> [ 354.104963] xhci-hcd xhci-hcd.0.auto: ERROR Transfer event for >> disabled endpoint or incorrect stream ring >> [ 354.110095] xhci-hcd xhci-hcd.0.auto: @000000007d41f750 00000000 >> 00000000 1b000000 01078001 >> [ 354.232398] usb 2-1: reset SuperSpeed USB device number 3 using xhci-hcd >> [ 354.253844] scsi host1: uas_eh_device_reset_handler success >> [ 354.263222] sd 1:0:0:0: [sda] Write Protect is off >> [ 354.263461] sd 1:0:0:0: [sda] Write cache: enabled, read cache: >> enabled, doesn't support DPO or FUA >> [ 354.267036] xhci-hcd xhci-hcd.0.auto: ERROR Transfer event for >> disabled endpoint or incorrect stream ring >> [ 354.275847] xhci-hcd xhci-hcd.0.auto: @000000007d41fa00 00000000 >> 00000000 1b000000 01038001 >> [ 354.287566] sda: sda1 sda2 >> [ 354.295407] sd 1:0:0:0: [sda] Attached SCSI disk >> >> logs-->checked with 2.0 hub(same device) >> >> [ 104.292324] usb 3-1: new high-speed USB device number 2 using xhci-hcd >> [ 104.457236] hub 3-1:1.0: USB hub found >> [ 104.457305] hub 3-1:1.0: 4 ports detected >> [ 105.392323] usb 3-1.4: new high-speed USB device number 3 using xhci-hcd >> [ 105.545492] scsi host1: uas >> [ 105.546777] scsi 1:0:0:0: Direct-Access StoreJet TS256GESD400K >> 0 PQ: 0 ANSI: 6 >> [ 105.548876] sd 1:0:0:0: [sda] 500118192 512-byte logical blocks: >> (256 GB/238 GiB) >> [ 105.556591] sd 1:0:0:0: [sda] Write Protect is off >> [ 105.563321] sd 1:0:0:0: [sda] Write cache: enabled, read cache: >> enabled, doesn't support DPO or FUA >> [ 105.570685] sda: sda1 sda2 >> [ 105.579182] sd 1:0:0:0: [sda] Attached SCSI disk >> >> >> >> Digging into issue I found that blk_rq_timed_out_timer() gets calls >> and which calls scsi_time_out() and further uas_eh_abort_handler(). >> [ blk_rq_timed_out_timer() --> blk_rq_check_expired()--> >> scsi_times_out()-->scsi_abort_command()--> scmd_eh_abort_handler()--> >> scsi_try_to_abort_cmd ()-->uas_eh_abort_handler() ] >> >> Also would like to add whenever we execute read_capacity_16() to read >> the capacity of the device suddenly we are receiving >> blk_rq_timed_out_timer() and around 30 sec device will reset and >> enumerate. >> >> Also there are errors from xhci driver too. >> >> >> Kernel : 4.4.60 and uas patches cherry-picked from kernel-4.14.13 > > 4.4.60 is _really_ old and obsolete and insecure, and by randomly > cherry-picking patches, we really have no idea what you are running. > > Can you duplicate this on 4.14.14? 4.15? > > thanks, > > greg k-h -- Best Regards, Tushar R Nimkar Mob No : +91-9052258800 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html