= krg64 note =
== Instruction ==
This krg2.2.1 patch memo is for debian4.0 etch amd64 (kernel_2.6.20),and please take Rock Kuo's  [http://trac.nchc.org.tw/grid/wiki/krg_DRBL How to deploy kerrighed nodes massively using DRBL ?] for the primary installation guide based on what you have to run on 64-bit machines.[[BR]]

You can download some related files(Like:kernel config file,intel e1ooo driver,and libraries from http://trac.nchc.org.tw/grid/ticket/2 [[BR]]
=== Memo ===

After kerrighed 2.2.1 patched to kernel 2.6.20.[[BR]]

Source: /linux-2.6.20-krg/include/linux/ipc_util.h[[BR]]
Add: #include <linux/init.h>[[BR]]

Source: /linux-2.6.20-krg/include/kerrighed/sched.h & /kerrighed/epm.c[[BR]]
Add:[[BR]] 
#include <kerrighed/syscalls.h>[[BR]]
#include <kerrighed/signal.h>[[BR]]
#include <kerrighed/sched.h>[[BR]]

Source: /linux-2.6.20-krg/kerrighed/mm.c[[BR]]
Add:[[BR]]
#include <asm/tlbflush.h>[[BR]]

Source:/usr/src/kerrighed-2.2.1/modules/rpc/rpclayer.c -> modify 386~392行 [[BR]]
Solution:[[BR]]

memcpy(data, desc_recv->iter->data, desc_recv->iter->size);[[BR]]
}else {[[BR]]
[[BR]]
printk(”unsufficient room for received packet (%d %lu-%lu)!\n”,[[BR]]
[[BR]]
desc->rpcid, desc->desc_id, desc_recv->iter->seq_id);[[BR]]
[[BR]]
BUG();[[BR]]
[[BR]]
}[[BR]]

==== Caution ====

Current Problem:[[BR]]

Q: kerrighed: Unknown symbol alloc_page_vma[[BR]]
Sol: CONFIG_NUMA is not set[[BR]]

Q: kerrighed: Unknown symbol free_ipc_ns[[BR]]
Sol: CONFIG_IPC_NS is not set[[BR]]

PS:[[BR]]
If you met TPIC problem , and the network adapter is Intel® PRO/1000 PT Dual Port Server Adapter.Recommand to update the driver with network option “e1000″ built in module in kernel options,and close TPIC options.[[BR]]