Re: 2.2.1-ac5 oops with many fd

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 15 Feb 1999 16:41:17 +0000 (GMT)

> The only bug in the driver is that instead of failing gracefully, it
> continued to dereference the
> NULL pointer. I've fixed that, however...

Have you fixed that properly. You can't do a kmalloc in a driver when
issuing read or write requests or you may deadlock needing to swap out data
by issuing a write...

> Surely there must be somewhere where I can get more than 8k of DMAable
> memory...

Linear DMAable memory ?

Alan

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/