Re: Device lockup when copying a large file

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On Tue, Aug 4, 2009 at 4:04 PM, Greg KH<greg@xxxxxxxxx> wrote:
> On Tue, Aug 04, 2009 at 03:54:40PM -0500, Praveen G K wrote:
>> On Tue, Aug 4, 2009 at 3:46 PM, Alan Stern<stern@xxxxxxxxxxxxxxxxxxx> wrote:
>> > On Tue, 4 Aug 2009, Praveen G K wrote:
>> >
>> >> Hello all,
>> >>
>> >> I have connected the device to windows xp through mass storage and am
>> >> copying a 1GB file from windows to the device.  After some time, I get
>> >> the error message
>> >>
>> >> "Cannot find the specified file
>> >> Make sure you specify the correct path and file name"
>> >
>> > Although you didn't say, I'm guessing this error message appears on the
>> > Windows system and not on the device.  Therefore it indicates a problem
>> > with Windows, not a problem with the device.
>> Yes, that is true.  The message appears on a windows system.
>>
>> >> This locks up the device completely, I am not even able to use the
>> >> magic sysrq keys to determine the Program counter location.  I
>> >> connected the device to the debugger, but I am still not able to know
>> >> where it is getting locked up.
>> >>
>> >> Could this be due to a corrupt fat file system? What is a possible
>> >> workaround to avoid this error message?
>> >>
>> >> (Initially I thought that this issue was related to the bad usb cable
>> >> issue I posted earlier!!)
>> >
>> > You should give us more complete information.  Which version of Linux
>> > are you running on the device?  What kind of device is it?  What
>> > command do you use to load g_file_storage?  How do you initiate the
>> > file copy?  And so on...
>> I am using 2.6.22 kernel version on the device.  I use
>> modprobe g_file_storage file='vfat-parition-address' removable=y stall=1
>
> You do realize that a few hundred-thousand changes have happend since
> the 2.6.22 kernel was released?
I realize that, but just wanted to know if anybody has experienced
this problem before.
> You might work to narrow down just what is happening in your target
> device, random guesses on our part isn't going to help much.
>
> good luck,
>
> greg k-h
>
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