Recompile your kernel with USB Mass Storage Verbose Debugging turned on and
send the logs.

Matt

On Mon, Sep 17, 2001 at 07:20:00PM +0100, Alastair Robinson wrote:
> Hi everyone,
> 
> I've just bought an HP Photosmart 618 and am having great difficulty getting 
> it to work reliably with Linux.  I've tried it both with the USB Mass Storage 
> driver and the dc2xx driver, with no luck.  The camera works fine with 
> Windoze, of course.
> 
> With the storage driver (the mode I'd rather use), I can get the camera's 
> card mounted on /dev/sda1 about 50% of the time (seems to be alternate 
> attempts, if that helps...), but when I try and copy the files over to the 
> hard-drive, it will do several megabytes and then hang.  (The rest of the 
> system is still up, but I can't even kill -s 9 the cp process, and the 
> machine won't normally shut down cleanly either.)
> 
> dmesg shows the following:
> 
> hub.c: USB new device connect on bus1/1, assigned device number 4
> scsi1 : SCSI emulation for USB Mass Storage devices
>   Vendor:           Model:                   Rev:
>   Type:   Direct-Access                      ANSI SCSI revision: 02
> Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0
> SCSI device sda: 126465 512-byte hdwr sectors (65 MB)
> sda: Write Protect is off
>  sda: sda1
> WARNING: USB Mass Storage data integrity not assured
> USB Mass Storage device found at 4
> usb_control/bulk_msg: timeout
> 
> (The last line, obviously, only shows up after the transfer has stalled)
> 
> The above happens about 50% of the time; the rest of the time the mount 
> command hangs.
> 
> I've tried using kernels 2.4.9 and 2.4.10-pre9, and there is no difference in 
> behaviour between the two.
> 
> Can anyone help with this?
> 
> All the best,
> -- 
> Alastair M. Robinson
> Email: [EMAIL PROTECTED]
> 
> You know the world's in trouble when it takes 2,000 laws to enforce
> the Ten Commandments.  --  Alfred E. Newman
> 
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-- 
Matthew Dharm                              Home: [EMAIL PROTECTED] 
Maintainer, Linux USB Mass Storage Driver

G:   Baaap booop BAHHHP.
Mir: 9600 Baud?
Mik: No, no!  9600 goes baap booop, not booop bahhhp!
                                        -- Greg, Miranda and Mike
User Friendly, 12/31/1998

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