[#4740] A usb harddisk box cannot be identified on BF548-EZkit
Submitted By: Yi Li
Open Date
2008-12-22 22:13:35 Close Date
2008-12-29 03:54:01
Priority:
Medium Assignee:
Bryan Wu
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
svn
Category:
N/A Board:
EZKIT Lite
Processor:
BF549 Silicon Revision:
0.1
Is this bug repeatable?:
Yes Resolution:
Under Debugging
Uboot version or rev.:
Toolchain version or rev.:
svn
App binary format:
N/A
Summary: A usb harddisk box cannot be identified on BF548-EZkit
Details:
A usb hard disk box (usb-to-ide) cannot be identified on BF548-EZkit, while it can be identified on a PC (ubuntu).
BF548-EZkit:
usb 1-1: new high speed USB device using musb_hdrc and address 2
usb 1-1: configuration #1 chosen from 1 choice
scsi1 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
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
root:/> 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
scsi 1:0:0:0: Device offlined - not ready after error recovery
PC:
[ 3859.561760] usb 1-8: new high speed USB device using ehci_hcd and address 4
[ 3863.044199] usb 1-8: configuration #1 chosen from 1 choice
[ 3863.145207] usbcore: registered new interface driver libusual
[ 3863.168661] Initializing USB Mass Storage driver...
[ 3863.169910] scsi2 : SCSI emulation for USB Mass Storage devices
[ 3863.171140] usbcore: registered new interface driver usb-storage
[ 3863.171150] USB Mass Storage support registered.
[ 3863.171320] usb-storage: device found at 4
[ 3863.171324] usb-storage: waiting for device to settle before scanning
[ 3868.168881] usb-storage: device scan complete
[ 3868.169385] scsi 2:0:0:0: Direct-Access Generic USB Disk 9.02 PQ: 0 ANSI: 2
[ 3868.171139] sd 2:0:0:0: [sdc] 117210240 512-byte hardware sectors (60012 MB)
[ 3868.180865] sd 2:0:0:0: [sdc] Write Protect is off
[ 3868.180872] sd 2:0:0:0: [sdc] Mode Sense: 03 00 00 00
[ 3868.180877] sd 2:0:0:0: [sdc] Assuming drive cache: write through
[ 3868.182603] sd 2:0:0:0: [sdc] 117210240 512-byte hardware sectors (60012 MB)
[ 3868.183729] sd 2:0:0:0: [sdc] Write Protect is off
[ 3868.183735] sd 2:0:0:0: [sdc] Mode Sense: 03 00 00 00
[ 3868.183739] sd 2:0:0:0: [sdc] Assuming drive cache: write through
[ 3868.184378] sdc: sdc1 sdc2 sdc3 < sdc5 sdc6 sdc7 sdc8 >
[ 3868.261931] sd 2:0:0:0: [sdc] Attached SCSI disk
[ 3868.261997] sd 2:0:0:0: Attached scsi generic sg3 type 0
[ 3869.058436] kjournald starting. Commit interval 5 seconds
[ 3869.062515] EXT3 FS on sdc6, internal journal
[ 3869.062525] EXT3-fs: mounted filesystem with ordered data mode.
[ 3869.241524] kjournald starting. Commit interval 5 seconds
[ 3869.241536] EXT3-fs warning: checktime reached, running e2fsck is recommended
[ 3869.242650] EXT3 FS on sdc8, internal journal
[ 3869.242659] EXT3-fs: mounted filesystem with ordered data mode.
[ 3869.291534] kjournald starting. Commit interval 5 seconds
[ 3869.292129] EXT3 FS on sdc7, internal journal
[ 3869.292140] EXT3-fs: mounted filesystem with ordered data mode.
[ 4171.092897] usb 1-8: USB disconnect, address 4
Bryan thinks this may be caused by power issue.
Follow-ups
--- Bryan Wu 2008-12-28 22:28:14
I gave Yi a new USB cable which can provide more power. This issue should be
gone.
-Bryan
--- Yi Li 2008-12-29 03:53:22
Thanks Bryan.
Close. Lesson is that a hard disk requires 5V/1A power supply cannot be used
here.
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