On Saturday 26 May 2007 02:24:31 Stephen Hemminger wrote: > Something is broken with the b44 driver in 2.6.22-rc1 or later. Now bisecting. > The performance (with iperf) for receiving is normally 94Mbits or more. > But something happened that dropped performance to less than 1Mbit, > probably corrupted packets. > > There is nothing obvious in the commit log for drivers/net/b44.c, so it > probably is something more general. > > > Looking at the code in b44_rx(), I see a couple unrelated of bugs: > 1. In the small packet case it recycles the skb before copying data out... > Not good if new data arrives overwriting existing data. > > 2. Macros like RX_PKT_BUF_SZ that depend on local variables are evil!!
Very interesting! 2.6.22 doesn't include ssb, does it? Adding CCs to make reporters of another bugreport aware of this. -- Greetings Michael. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html