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-   -   Strange usb flash card reader behaviour (

georgekm 03-28-2005 02:16 PM

Strange usb flash card reader behaviour

I was wondering whether someone could have a solution to this problem.

I have a Viking 6-in-1 flash card reader connected to my 2.6.11 VectorLinux 4.0 box through a USB 1.1 port. The device gets configured properly at startup providing 4 new /sd* entries.

Normally the drive works ok, however if you try to read more than a few MB of data (let's say, copy more than 10 pictures from a card to the hard disk) after a while the led stops blinking and the terminal seems to hang (does not respond to ctrl-C). If you leave it alone for a few minutes it eventually finishes but some of the files copied have a size of zero bytes. If you try to re-access the same drive you find that it has disappeared from the system (/dev entry gone).

I know the drive and the cards are not defective but I can't think what the problem may be...

Can anyone?


uberNUT69 03-29-2005 04:27 PM

how can you test that this is not defective media?

georgekm 03-29-2005 06:18 PM

Well, it happens that I have a PCMCIA flash card reader as well and the same card reads fine with it.


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