On Mon, Dec 19, 2005 at 07:11:19PM -0600, J. K. Cliburn wrote: > Turned out to be a kernel module bug for my via-velocity gigabit > ethernet NIC. The VIA Velocity 6122 gigabit chip doesn't support > offloaded TCP checksumming under IPv6, but the via-velocity driver > distributed with Fedora doesn't make any provision for that -- it > assumes offloaded TCP checksumming is always appropriate, no matter > the protocol. Hehe, this is EXACTLY what I thought of too, but I had this problem with e1000. Took me days of troubleshooting to find out what was going on. Fixed by disabling sendfile() support in Apache and ProFTPD. Best regards, Daniel -- CLUE-RIPE -- Jabber: dr@xxxxxxxxxx -- dr@IRCnet -- PGP: 0xA85C8AA0