karoモジュール用に作成されたカスタムyoct画像があります。 5.7.1 カーネルを実行しています。
USBドライブを接続すると、予想どおり「lsblk」出力に表示されません。 「lsusb」に表示されるので、システムがドライブを検出したことがわかりますが、カーネルがドライブを処理する方法に問題があるのでしょうか？
カーネルで多くのデバッグオプションが有効になっているため、ドライブを接続したときの出力は次のようになります。
root@txmp-1530:~# [ 451.851889] usb 1-1.1: new high-speed USB device number 7 using ehci-platform
[ 452.004112] usb 1-1.1: New USB device found, idVendor=090c, idProduct=1000, bcdDevice=11.00
[ 452.011016] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 452.018427] usb 1-1.1: Product: Flash Disk
[ 452.022432] usb 1-1.1: Manufacturer: USB
[ 452.026288] usb 1-1.1: SerialNumber: SCY0000000271192
[ 452.031340] device: '1-1.1': device_add
[ 452.035347] bus: 'usb': add device 1-1.1
[ 452.039134] PM: Adding info for usb:1-1.1
[ 452.045798] bus: 'usb': driver_probe_device: matched device 1-1.1 with driver usb
[ 452.051941] bus: 'usb': really_probe: probing driver usb with device 1-1.1
[ 452.058854] usb 1-1.1: no default pinctrl state
[ 452.063898] device: '1-1.1:1.0': device_add
[ 452.067446] bus: 'usb': add device 1-1.1:1.0
[ 452.071695] PM: Adding info for usb:1-1.1:1.0
[ 452.077418] bus: 'usb': driver_probe_device: matched device 1-1.1:1.0 with driver uas
[ 452.084011] bus: 'usb': really_probe: probing driver uas with device 1-1.1:1.0
[ 452.091073] uas 1-1.1:1.0: no default pinctrl state
[ 452.095994] uas: probe of 1-1.1:1.0 rejects match -19
[ 452.101346] bus: 'usb': driver_probe_device: matched device 1-1.1:1.0 with driver usb-storage
[ 452.109502] bus: 'usb': really_probe: probing driver usb-storage with device 1-1.1:1.0
[ 452.117436] usb-storage 1-1.1:1.0: no default pinctrl state
[ 452.122991] usb-storage 1-1.1:1.0: USB Mass Storage device detected
[ 452.129639] Vendor: 0x090c, Product: 0x1000, Revision: 0x1100
[ 452.134956] Interface Subclass: 0x06, Protocol: 0x50
[ 452.139840] usb-storage 1-1.1:1.0: Quirks match for vid 090c pid 1000: 400
[ 452.146734] Transport: Bulk
[ 452.149470] Protocol: Transparent SCSI
[ 452.153509] scsi host0: usb-storage 1-1.1:1.0
[ 452.157617] device: 'host0': device_add
[ 452.161408] bus: 'scsi': add device host0
[ 452.161955] *** thread sleeping
[ 452.165488] PM: Adding info for scsi:host0
[ 452.173070] device: 'host0': device_add
[ 452.176543] PM: Adding info for No Bus:host0
[ 452.181033] usb-storage 1-1.1:1.0: waiting for device to settle before scanning
[ 452.188048] driver: 'usb-storage': driver_bound: bound to device '1-1.1:1.0'
[ 452.195481] bus: 'usb': really_probe: bound device 1-1.1:1.0 to driver usb-storage
[ 452.202627] device: 'ep_81': device_add
[ 452.206478] PM: Adding info for No Bus:ep_81
[ 452.210643] device: 'ep_02': device_add
[ 452.214594] PM: Adding info for No Bus:ep_02
[ 452.218722] driver: 'usb': driver_bound: bound to device '1-1.1'
[ 452.225409] bus: 'usb': really_probe: bound device 1-1.1 to driver usb
[ 452.231297] device: 'ep_00': device_add
[ 452.235675] PM: Adding info for No Bus:ep_00
[ 453.191885] usb-storage 1-1.1:1.0: starting scan
[ 453.195048] rq=fe rqtype=a1 value=0000 index=00 len=1
[ 453.200261] GetMaxLUN command result is 1, data is 0
[ 453.205490] *** thread awakened
[ 453.208189] Command INQUIRY (6 bytes)
[ 453.211899] bytes: 12 00 00 00 24 00
[ 453.215377] Bulk Command S 0x43425355 T 0x1 L 36 F 128 Trg 0 LUN 0 CL 6
[ 453.222067] xfer 31 bytes
[ 453.224777] Status code 0; transferred 31/31
[ 453.228833] -- transfer complete
[ 453.232115] Bulk command transfer result=0
[ 453.236143] xfer 36 bytes, 1 entries
[ 453.338971] Status code 0; transferred 36/36
[ 453.341769] -- transfer complete
[ 453.345064] Bulk data transfer result 0x0
[ 453.348992] Attempting to get CSW...
[ 453.352595] xfer 13 bytes
[ 453.355328] Status code 0; transferred 13/13
[ 453.359404] -- transfer complete
[ 453.362716] Bulk status result = 0
[ 453.366024] Bulk Status S 0x53425355 T 0x1 R 0 Stat 0x0
[ 453.371232] scsi cmd done, result=0x0
[ 453.374939] *** thread sleeping
[ 453.378159] scsi 0:0:0:0: Direct-Access USB Flash Disk 1100 PQ: 0 ANSI: 4
[ 453.386162] device: 'target0:0:0': device_add
[ 453.390472] bus: 'scsi': add device target0:0:0
[ 453.395040] PM: Adding info for scsi:target0:0:0
[ 453.400124] device: '0:0:0:0': device_add
[ 453.404002] bus: 'scsi': add device 0:0:0:0
[ 453.407762] PM: Adding info for scsi:0:0:0:0
[ 453.412525] device: '0:0:0:0': device_add
[ 453.416281] PM: Adding info for No Bus:0:0:0:0
[ 453.421030] device: '0:0:0:0': device_add
[ 453.424821] PM: Adding info for No Bus:0:0:0:0
[ 453.430287] *** thread awakened
[ 453.432560] Bad LUN (0:1)
[ 453.434572] scsi cmd done, result=0x40000
[ 453.438571] *** thread sleeping
[ 453.438736] usb-storage 1-1.1:1.0: scan complete
ドライブはそのまま残り、次の2つのコマンド出力があります。
root@txmp-1530:~# lsusb
Bus 001 Device 004: ID 125b:0158
Bus 001 Device 003: ID 125b:0159
Bus 001 Device 007: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
root@txmp-1530:~#
root@txmp-1530:~#
root@txmp-1530:~#
root@txmp-1530:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk0 179:0 0 3.5G 0 disk
|-mmcblk0p1 179:1 0 2M 0 part
|-mmcblk0p2 179:2 0 64M 0 part
|-mmcblk0p3 179:3 0 373M 0 part /
|-mmcblk0p4 179:4 0 373M 0 part
`-mmcblk0p5 179:5 0 2.8G 0 part /opt/videx
mmcblk0boot0 179:16 0 2M 1 disk
mmcblk0boot1 179:32 0 2M 1 disk
その後、デバイスを削除すると、次の出力が表示されます。
root@txmp-1530:~# [ 542.214305] usb 1-1.1: USB disconnect, device number 7
[ 542.218038] device: 'ep_81': device_unregister
[ 542.222600] PM: Removing info for No Bus:ep_81
[ 542.226870] device: 'ep_02': device_unregister
[ 542.231375] PM: Removing info for No Bus:ep_02
[ 542.235879] bus: 'usb': remove device 1-1.1:1.0
[ 542.240270] device: '0:0:0:0': device_unregister
[ 542.245121] PM: Removing info for No Bus:0:0:0:0
[ 542.252005] device: '0:0:0:0': device_create_release
[ 542.255531] device: '0:0:0:0': device_unregister
[ 542.260516] PM: Removing info for No Bus:0:0:0:0
[ 542.266061] bus: 'scsi': remove device 0:0:0:0
[ 542.269352] PM: Removing info for scsi:0:0:0:0
[ 542.274491] bus: 'scsi': remove device target0:0:0
[ 542.278569] PM: Removing info for scsi:target0:0:0
[ 542.283727] device: 'host0': device_unregister
[ 542.287905] PM: Removing info for No Bus:host0
[ 542.292759] bus: 'scsi': remove device host0
[ 542.296442] PM: Removing info for scsi:host0
[ 542.300931] -- sending exit command to thread
[ 542.305293] *** thread awakened
[ 542.307980] -- exiting
[ 542.342645] PM: Removing info for usb:1-1.1:1.0
[ 542.346463] device: 'ep_00': device_unregister
[ 542.350428] PM: Removing info for No Bus:ep_00
[ 542.355071] bus: 'usb': remove device 1-1.1
[ 542.359538] PM: Removing info for usb:1-1.1
もう一度参照のために2つのlsコマンドを削除しました。
root@txmp-1530:~# lsusb
Bus 001 Device 004: ID 125b:0158
Bus 001 Device 003: ID 125b:0159
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
root@txmp-1530:~#
root@txmp-1530:~#
root@txmp-1530:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk0 179:0 0 3.5G 0 disk
|-mmcblk0p1 179:1 0 2M 0 part
|-mmcblk0p2 179:2 0 64M 0 part
|-mmcblk0p3 179:3 0 373M 0 part /
|-mmcblk0p4 179:4 0 373M 0 part
`-mmcblk0p5 179:5 0 2.8G 0 part /opt/videx
mmcblk0boot0 179:16 0 2M 1 disk
mmcblk0boot1 179:32 0 2M 1 disk
root@txmp-1530:~#
この問題を追跡するのに役立つように含める必要がある他の情報がある場合は、お知らせください。ありがとう