Copying user <---> kernel

Hello, I am sure people have thought about this one, but just that I could not find any discussions about it: Consider a server which receives data over network, does some operations on the data and sends it back over the network. The kernel could spent most of its time copying data to and from

Remote boot, but not diskless operation

Hello, I am running FreeBSD 4.1 on an Intel-III box. It is not a diskless machine, so root fs is still local, but I need to boot kernel over ethernet. Reason for such a requirement: I am doing some kernel debugging and it is relatively quicker (after a panic) to recompile kernel on a server and

FPU exception, kernel panic

Hi ! I modified some TCP and UDP code in FreeBSD 4.1 and suddenly started getting (almost repeatable) kernel panics. This is how it looks like from remote gdb: (kgdb) bt #0 0xc0192e58 in panic (fmt=0xc035c076 "npxintr from nowhere") at ../../kern/kern_shutdown.c:550 #1 0xc0303c6c in npx_intr (

Re: FPU exception, kernel panic

I guessed I asked too much. Can someone please tell me just this: "How do I translate 48 bit address (segment descriptor:offset) to a linear address which gdb can understand ?" Thanks - Rohit On Sat, 5 May 2001, Rohit Rakshe wrote: > Hi ! > > I modified some