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USB 2.0 error

To: linux-mips@linux-mips.org
Subject: USB 2.0 error
From: "Youngduk Goo" <ydgoo9@gmail.com>
Date: Wed, 6 Dec 2006 17:05:01 +0900
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I have tested the USB 2.0 and 1.1 on my set based on the mips core.
The kernel version is 2.6.15 (not the uclinux) with uClibc.

The port 0 of USB is working fine as a EHCI(2.0) when I put the storage.
But In case of port 1, it fails to identify the device.
It can read the device information but cannot read partition table.
I don't know how to debug it. ans where to start it.
Please give me a advice.

Thanks in advance.

This is the error message.

Vendor: I0MEGA    Model: Mini128MB*IOM2B5  Rev: 2.00
 Type:   Direct-Access                      ANSI SCSI revision: 02
aSCSI device sda: 256000 512-byte hdwr sectors (131 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 256000 512-byte hdwr sectors (131 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
usb 1-2: reset high speed USB device using hcd and address 2
sd 0:0:0:0: SCSI error: return code = 0x70000
end_request: I/O error, dev sda, sector 0
Buffer I/O error on device sda, logical block 0
usb 1-2: reset high speed USB device using hcd and address 2
sd 0:0:0:0: SCSI error: return code = 0x70000
end_request: I/O error, dev sda, sector 0
Buffer I/O error on device sda, logical block 0
unable to read partition table
sd 0:0:0:0: Attached scsi removable disk sda
sd 0:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete

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