I've seen things like this before (garbled INQUIRY data), but usually it
was on earlier 2.4.x kernels (not ones that late).

If you can turn on USB Mass Storage Verbose Debug and capture the log, that
would tell us a great deal.

Matt

On Mon, Apr 19, 2004 at 02:47:00PM -0400, Scott O'Connor wrote:
> Hello,
> 
> I'm trying to debug an issue with Linux 2.4.20-26 and the SMSC 97c202 (USB to
> IDE) device.  I've tested a few 2.4 kernels (-20, -21, -25 and -26) and get a
> strange behavior when I plug the device in.  I'm using the SMSC evaluation
> board.  This is the output from /var/log/messages:
> 
> Apr 19 14:28:48 kernel: Initializing USB Mass Storage driver...
> Apr 19 14:28:48 kernel: usb.c: registered new driver usb-storage
> Apr 19 14:28:48 kernel: usb-uhci.c: interrupt, status 2, frame# 2013
> Apr 19 14:28:49 kernel: usb_control/bulk_msg: timeout
> Apr 19 14:28:49 kernel: scsi1 : SCSI emulation for USB Mass Storage devices
> Apr 19 14:28:49 kernel:   Vendor:     ����  Model: ����          ��  Rev:
> Apr 19 14:28:49 kernel:   Type:   Scanner                            ANSI SCSI 
> revision: 02
> Apr 19 14:28:49 /etc/hotplug/usb.agent: Module setup usb-storage for USB product 
> 424/20cd/150
> Apr 19 14:28:49 /etc/hotplug/usb/usb-storage: Load scsimon
> Apr 19 14:28:49 /etc/hotplug/usb/usb-storage: loading ... scsimon
> 
> The Vendor/Model/Rev/Type information always seems to be corrupt which is
> probably a side effect of the bulk msg timeout.
> 
> When I do the same thing under Linux 2.6.3, it behaves correctly.  I can plug/unplug
> and the device is recognized correctly each time.
> 
> Before I plunge into the code to debug this, I'm wonder if anyone has seen this
> before and can you give me any hints to what I need to do to make this device
> behave properly under Linux 2.4?
> 
> Thanks for any help,
> Scott O'Connor
> 
> 
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-- 
Matthew Dharm                              Home: [EMAIL PROTECTED] 
Maintainer, Linux USB Mass Storage Driver

What, are you one of those Microsoft-bashing Linux freaks?
                                        -- Customer to Greg
User Friendly, 2/10/1999

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