Hi All,
I found a serious issue when I used usb with usb-disk .I got some errors as follows:
# usb 1-1.2: new high speed USB device using musb_hdrc and address 5
usb 1-1.2: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
usb 1-1.2: USB disconnect, address 5
usb 1-1.2: new high speed USB device using musb_hdrc and address 6
usb 1-1.2: configuration #1 chosen from 1 choice
scsi1 : SCSI emulation for USB Mass Storage devices
Vendor: Teclast Model: CoolFlash Rev: 8.01
Type: Direct-Access ANSI SCSI revision: 02
SCSI device sda: 7638398 512-byte hdwr sectors (3911 MB)
sda: Write Protect is off
sda: assuming drive cache: write through
SCSI device sda: 7638398 512-byte hdwr sectors (3911 MB)
sda: Write Protect is off
sda: assuming drive cache: write through
sda:<6>usb 1-1.2: reset high speed USB device using musb_hdrc and address 6
usb 1-1.2: reset high speed USB device using musb_hdrc and address 6
usb 1-1.2: reset high speed USB device using musb_hdrc and address 6
end_request: I/O error, dev sda, sector 0
Buffer I/O error on device sda, logical block 0
Buffer I/O error on device sda, logical block 1
Buffer I/O error on device sda, logical block 2
Buffer I/O error on device sda, logical block 3
Buffer I/O error on device sda, logical block 0
Buffer I/O error on device sda, logical block 1
Buffer I/O error on device sda, logical block 2
Buffer I/O error on device sda, logical block 3
unable to read partition table
sd 1:0:0:0: Attached scsi removable disk sda
sd 1:0:0:0: Attached scsi generic sg0 type 0
Vendor: Generic Model: Autorun Disk Rev: 8.00
Type: CD-ROM ANSI SCSI revision: 02
scsi 1:0:0:1: Attached scsi generic sg1 type 5
# cat /proc/partitions
major minor #blocks name
8 0 3819199 sda
I tried anower usb-disk but the error change as follow:
usb 1-1: new high speed USB device using musb_hdrc and address 2
usb 1-1: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: General Model: USB Flash Disk Rev: 1100
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sda: 7815168 512-byte hdwr sectors (4001 MB)
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
sda: Write Protect is off
sda: assuming drive cache: write through
SCSI device sda: 7815168 512-byte hdwr sectors (4001 MB)
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
usb 1-1: reset high speed USB device using musb_hdrc and address 2
sda: Write Protect is off
sda: assuming drive cache: write through
sda:<6>usb 1-1: reset high speed USB device using musb_hdrc and address 2
musb_h_ep0_irq 1396: no URB for end 0
usb 1-1: device descriptor read/64, error -110
what's the problem?what can I do ?
Your much help is appreciated. Thanks in advance.
Best Regards,
Jay
