[Tipc-discussion] Re: REPLICA_NODES set to 1

[Mark H. <ma...@os...>]

On Wed, 2004-06-09 at 15:47, Mark Haverkamp wrote:
> Just for testing, I set REPLICA_NODES to 1 to test out bcast instead of
> the replicated mcast.  I found that with the replicated sending, that
> all the nodes receive the message.  But with bcast, all nodes but the
> sending node receives.  This doesn't sound right to me.  The sending
> node should also receive bcast messages shouldn't it?
> 

One other thing.   When I tried to throw lots of messages at 4 nodes, I
got a panic on two of my nodes:

Unable to handle kernel NULL pointer dereference at virtual address 00000050
 printing eip:
f8e6959a
*pde = 00000000
Oops: 0000 [#1]
SMP
Modules linked in: tipc
CPU:    0
EIP:    0060:[<f8e6959a>]    Not tainted
EFLAGS: 00010206   (2.6.7-rc2)
EIP is at link_send_bcast_proto_msg+0xba/0x480 [tipc]
eax: 00000044   ebx: 00000000   ecx: f5c929f0   edx: f3f6f934
esi: f6851ad4   edi: f3043c30   ebp: f3043c7c   esp: f3043c10
ds: 007b   es: 007b   ss: 0068
Process do_pub (pid: 1601, threadinfo=f3042000 task=f3c1ae50)
Stack: f5c929f0 f6851b6c 00000040 00000413 00000003 00000000 f7b69c94 f7fa27c4
       5800404f 00000000 02800200 13100001 03000000 0000044a 13100001 12100001
       00000000 00000000 31687465 00000000 00000000 00000000 00000000 00000000
Call Trace:
 [<c010614f>] show_stack+0x7f/0xa0
 [<c01062fe>] show_registers+0x15e/0x1c0
 [<c01064aa>] die+0x9a/0x160
 [<c0118946>] do_page_fault+0x2e6/0x5b9
 [<c0105dcd>] error_code+0x2d/0x38
 [<f8e67b08>] request_retransmit+0x38/0x40 [tipc]
 [<f8e673a7>] recv_bcast_data+0x1a7/0x2b0 [tipc]
 [<f8e49f39>] bcast_recv+0xa9/0x160 [tipc]
 [<f8e51495>] tipc_recv_msg+0x885/0x8a0 [tipc]
 [<f8e6f439>] recv_msg+0x39/0x50 [tipc]
 [<c037dca2>] netif_receive_skb+0x172/0x1b0
 [<c037dd64>] process_backlog+0x84/0x120
 [<c037de80>] net_rx_action+0x80/0x120
 [<c0125ff8>] __do_softirq+0xb8/0xc0
 [<c0126035>] do_softirq+0x35/0x40
 [<c0107d45>] do_IRQ+0x175/0x230
 [<c0105cd0>] common_interrupt+0x18/0x20
 [<c011f0a6>] copy_mm+0x396/0x530
 [<c011fdaf>] copy_process+0x4ff/0xc50
 [<c012054d>] do_fork+0x4d/0x1b5
 [<c0103b18>] sys_fork+0x38/0x40
 [<c0105363>] syscall_call+0x7/0xb
                                   
Code: 8b 40 0c 8b 40 08 0f c8 25 ff ff 00 00 89 45 a0 8b 4d a4 8b
> Mark.
-- 
Mark Haverkamp <ma...@os...>