On Saturday 26 January 2008 21:58:10 Ondrej Zary wrote: > Hello, > I was having problems with these FreedomLine cards with Linux before but > tested it thoroughly today. This card uses DEC 21041 chip and has TP and > BNC connectors: > > 00:12.0 Ethernet controller [0200]: Digital Equipment Corporation DECchip > 21041 [Tulip Pass 3] [1011:0014] (rev 21) > > > de2104x driver was loaded automatically by udev and card seemed to work. > Until I disconnected the TP cable and putting it back after a while. The > driver then switched to (non-existing) AUI port and remained there. I tried > to set media to TP using ethtool - and the whole kernel crashed because of > BUG_ON(de_is_running(de)); > in de_set_media(). Seems that the driver is unable to stop the DMA in > de_stop_rxtx(). > > I commented out AUI detection in the driver - this time it switched to BNC > after unplugging the cable and remained there. I also attempted to reset > the chip when de_stop_rxtx failed but failed to do it. > > Then I found that there's de4x5 driver which supports the same cards as > de2104x (and some other too) - and this one works fine! I can plug and > unplug the cable and even change between TP and BNC ports just by > unplugging one and plugging the other cable in. Unfortunately, this driver > is blacklisted by default - at least in Slackware and Debian. > > The question is: why does de2104x exist? Does it work better with some > hardware? > > BTW. Found that the problem exist at least since 2003: > http://oss.sgi.com/archives/netdev/2003-08/msg00951.html
Does the de2104x driver work correctly for anyone? -- Ondrej Zary -- 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
