Re: 2.6.36-rc7: NULL pointer dereference in ehci_clear_tt_buffer_complete

From: Stefan Richter
Date: Sun Oct 24 2010 - 07:50:15 EST


Alan Stern wrote:
> Okay, here's a patch which definitely causes the problem to surface.
> It contains some extra debugging printouts but you can ignore them. Or
> you can edit out the hunks that affect ehci-q.c.
>
> Ideally, you would test this while forcing the card reader to run at
> full speed, by putting a USB-1.1 hub between the monitor and the card
> reader. But if you don't have one available, don't worry -- the error
> message should still appear even though it won't lead to an oops.
>
> And of course, when you run this along with the proposed fix, the error
> message should go away. :-)

Thanks, I will try it RSN, hopefully one of the next few days.
--
Stefan Richter
-=====-==-=- =-=- ==---
http://arcgraph.de/sr/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/