https://bugzilla.kernel.org/show_bug.cgi?id=89511 --- Comment #6 from Jun Itou <itou_jun@xxxxxxxxxxx> --- (In reply to Alan Stern from comment #5) > Please attach a usbmon trace showing what happens when the device is plugged > in and the problem occurs (see Documentation/usb/usbmon.txt for > instructions). Is it all right in the following? root@sv-server:~# dmesg [ 66.354400] usb 2-1: new high-speed USB device number 2 using ehci-pci [ 66.872687] usb 2-1: New USB device found, idVendor=04bb, idProduct=0109 [ 66.872692] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 66.872694] usb 2-1: Product: I-O DATA HDZ-UES [ 66.872696] usb 2-1: Manufacturer: I-O DATA DEVICE INC. [ 66.872697] usb 2-1: SerialNumber: 0000000075A7 [ 66.918835] usb-storage 2-1:1.0: USB Mass Storage device detected [ 66.919257] scsi host3: usb-storage 2-1:1.0 [ 66.919415] usbcore: registered new interface driver usb-storage [ 67.922875] scsi 3:0:0:0: Direct-Access I-O DATA HDZ-UE2.0TS 6706 PQ: 0 ANSI: 0 CCS [ 67.923683] sd 3:0:0:0: Attached scsi generic sg2 type 0 [ 67.926839] sd 3:0:0:0: [sdb] 3907092672 512-byte logical blocks: (2.00 TB/1.81 TiB) [ 67.932319] sd 3:0:0:0: [sdb] Write Protect is off [ 67.932322] sd 3:0:0:0: [sdb] Mode Sense: 34 00 00 00 [ 67.937843] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 67.966004] sdb: sdb1 [ 67.983869] sd 3:0:0:0: [sdb] Attached SCSI disk [ 115.117040] blk_update_request: critical target error, dev sdb, sector 0 [ 115.117374] JBD2: recovery failed [ 115.117381] EXT4-fs (sdb1): error loading journal root@sv-server:~# mount -t debugfs none_debugs /sys/kernel/debug root@sv-server:~# modprobe usbmon root@sv-server:~# ls /sys/kernel/debug/usb/usbmon 0s 0u 1s 1t 1u 2s 2t 2u root@sv-server:~# ls /sys/kernel boot_params debug fscache fscaps iommu_groups kexec_crash_loaded kexec_crash_size kexec_loaded mm notes profiling rcu_expedited security uevent_helper uevent_seqnum vmcoreinfo root@sv-server:~# cat /proc/bus/usb/devices cat: /proc/bus/usb/devices: そのようなファイルやディレクトリはありません root@sv-server:~# cat /sys/kernel/debug/usb/devices T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 3.18 S: Manufacturer=Linux 3.18.0 ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:02:03.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=04bb ProdID=0109 Rev= 1.00 S: Manufacturer=I-O DATA DEVICE INC. S: Product=I-O DATA HDZ-UES S: SerialNumber=0000000075A7 C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 98mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=125us T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 3.18 S: Manufacturer=Linux 3.18.0 uhci_hcd S: Product=UHCI Host Controller S: SerialNumber=0000:02:00.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0e0f ProdID=0003 Rev= 1.03 S: Manufacturer=VMware S: Product=VMware Virtual USB Mouse C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=1ms T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 7 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0e0f ProdID=0002 Rev= 1.00 S: Product=VMware Virtual USB Hub C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms root@sv-server:~# cat /sys/kernel/debug/usb/usbmon/3u cat: /sys/kernel/debug/usb/usbmon/3u: そのようなファイルやディレクトリはありません root@sv-server:~# cat /sys/kernel/debug/usb/usbmon/0u ^C -- You are receiving this mail because: You are watching the assignee of the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
