Tested it on my GL811E enclosure yesterday. Negative. Writing 4GB of zeroes
to /dev/sda1 kills the box with the 100% probability. I've tried increasing
the delay to 600, but that gave nothing. Sorry about the bad news :-(
Regards,
Max
On Monday 21 June 2004 22:09, Alan Stern wrote:
> I made up this address list by going through the mailing list archives and
> looking for messages from people having trouble with high-speed (USB 2.0)
> Genesys Logic or similar devices. (Cypress chipsets may possibly suffer
> from the same sort of problem as Genesys.) It's surprising how many there
> are!
>
> A couple of people (Jacques Grove and Adam Koh) have written in recently
> saying that the patch below solves their problem, or makes it much less
> frequent. The patch should apply to any recent 2.6 kernel.
>
> Please try it out -- if you still have your drive handy -- and let me know
> if it helps at all. You might want to experiment with the value passed to
> udelay(); in theory as you make it larger your throughput will decrease
> but will also become more reliable.
>
> Alan Stern
>
>
> ===== drivers/usb/storage/usb.c 1.119 vs edited =====
> --- 1.119/drivers/usb/storage/usb.c Sun Jun 13 16:09:07 2004
> +++ edited/drivers/usb/storage/usb.c Mon Jun 21 10:51:41 2004
> @@ -359,6 +359,7 @@
> /* we've got a command, let's do it! */
> else {
> US_DEBUG(usb_stor_show_command(us->srb));
> + udelay(250);
> us->proto_handler(us->srb, us);
> }
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