filedesc_sx patch (20070401a)

2007-04-01 Thread Robert Watson
Dear all, The attached patch moves file descriptor locks from being a custom mutex/sleep lock implemented using msleep() to an sx lock. With the new sx lock optimizations in place, this is now sensible, avoiding both a custom lock type and significantly improving performance. Kris has repor

FreeBSD-6.1 reboots due to high mbufs

2007-04-01 Thread Alessandro
Hi, I think the tcp connections remain in ESTABLISHED for a long time, it can depend from satellite link (high delay) or a problem with TCP timing in 6.1. (The hardware configurations is the same of 4.x box?) First of all you can try to set: sysctl net.inet.tcp.inflight.enable=0 and then: sysc