Hi, I'm testing, as previously explained some mails ago, the ethernet bandwidth on my RouterStation with iperf. I can confirm the problem reported in the post http://forum.ubnt.com/forum/viewtopic.php?t=8150 (and discovered by the user milank). You can reproduce a kernel panic performing this test: 1) the RouterStation is direct connected to a PC by its WAN interface 2) run on the RS the Iperf server: iperf -s -u 3) from the PC run the Iperf client: iperf -u -c <RS_IP> -b 150M -i 1 -r
On the PC terminal you will see this message: ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 110 KByte (default) ------------------------------------------------------------ ------------------------------------------------------------ Client connecting to 192.168.1.101, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 110 KByte (default) ------------------------------------------------------------ [ 4] local 192.168.1.1 port 34622 connected with 192.168.1.101 port 5001 [ ID] Interval Transfer Bandwidth [ 4] 0.0- 1.0 sec 11.1 MBytes 93.0 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 1.0- 2.0 sec 11.3 MBytes 94.5 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 2.0- 3.0 sec 11.3 MBytes 95.2 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 3.0- 4.0 sec 11.3 MBytes 94.6 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 4.0- 5.0 sec 11.2 MBytes 94.3 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 5.0- 6.0 sec 11.2 MBytes 94.2 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 6.0- 7.0 sec 11.0 MBytes 92.2 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 7.0- 8.0 sec 11.2 MBytes 93.6 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 8.0- 9.0 sec 11.3 MBytes 94.7 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 9.0-10.0 sec 11.2 MBytes 94.2 Mbits/sec [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 112 MBytes 94.1 Mbits/sec [ 4] Sent 79980 datagrams [ 4] Server Report: [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 4] 0.0-10.2 sec 106 KBytes 85.1 Kbits/sec 595.163 ms 79876/79950 (1e+02%) [ 3] local 192.168.1.1 port 5001 connected with 192.168.1.101 port 49377 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0- 1.0 sec 4.01 MBytes 33.7 Mbits/sec 0.011 ms 0/ 2863 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 1.0- 2.0 sec 4.02 MBytes 33.7 Mbits/sec 0.005 ms 0/ 2866 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 2.0- 3.0 sec 4.02 MBytes 33.7 Mbits/sec 0.005 ms 0/ 2867 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 3.0- 4.0 sec 4.02 MBytes 33.7 Mbits/sec 0.007 ms 0/ 2867 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 4.0- 5.0 sec 4.02 MBytes 33.7 Mbits/sec 0.005 ms 0/ 2866 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 5.0- 6.0 sec 4.02 MBytes 33.7 Mbits/sec 0.009 ms 0/ 2866 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 6.0- 7.0 sec 4.02 MBytes 33.7 Mbits/sec 0.005 ms 0/ 2867 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 7.0- 8.0 sec 4.02 MBytes 33.7 Mbits/sec 0.009 ms 0/ 2866 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 8.0- 9.0 sec 4.02 MBytes 33.7 Mbits/sec 0.010 ms 0/ 2867 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 9.0-10.0 sec 4.02 MBytes 33.7 Mbits/sec 0.006 ms 0/ 2864 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 40.2 MBytes 33.7 Mbits/sec 0.190 ms 1/28661 (0.0035%) On the RS you will see this message: ------------------------------------------------------------ Client connecting to 192.168.1.1, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 108 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.101 port 56714 connected with 192.168.1.1 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 39.6 MBytes 33.3 Mbits/sec [ 3] Sent 28283 datagrams [ 3] Server Report: [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 39.6 MBytes 33.3 Mbits/sec 0.194 ms 1/28284 (0.0035%) [ 3] local 192.168.1.101 port 5001 connected with 192.168.1.1 port 34622 ksoftirqd/0: page allocation failure. order:0, mode:0x4020 Call Trace:[<8006f174>] 0x8006f174 [<8006f174>] 0x8006f174 [<800b449c>] 0x800b449c [<801af0fc>] 0x801af0fc [<800cef18>] 0x800cef18 [<801d8d90>] 0x801d8d90 [<801af0fc>] 0x801af0fc [<800d0034>] 0x800d0034 [<801d8e7c>] 0x801d8e7c [<801af0fc>] 0x801af0fc [<801aecc8>] 0x801aecc8 [<801d92c0>] 0x801d92c0 [<801d9180>] 0x801d9180 [<801af0fc>] 0x801af0fc [<8018fe5c>] 0x8018fe5c [<8018fe78>] 0x8018fe78 [<80080778>] 0x80080778 [<801b799c>] 0x801b799c [<8008e524>] 0x8008e524 [<80089a7c>] 0x80089a7c [<80089a7c>] 0x80089a7c [<80081a08>] 0x80081a08 [<80068bf8>] 0x80068bf8 [<80089dac>] 0x80089dac [<80089b34>] 0x80089b34 [<80089e04>] 0x80089e04 [<80099130>] 0x80099130 [<8006bd8c>] 0x8006bd8c [<8006bd7c>] 0x8006bd7c Mem-Info: Normal per-cpu: CPU 0: hi: 18, btch: 3 usd: 2 Active:613 inactive:1611 dirty:0 writeback:0 unstable:0 free:94 slab:12664 mapped:229 pagetables:38 bounce:0 Normal free:376kB min:1016kB low:1268kB high:1524kB active:2452kB inactive:6444kB present:65024kB pages_scanned:109 all_unreclaimable? no lowmem_reserve[]: 0 0 Normal: 0*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 376kB 2046 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 16384 pages RAM 792 pages reserved 701 pages shared 15252 pages non-shared eth0: out of memory [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.2 sec 106 KBytes 85.1 Kbits/sec 595.163 ms 79876/79950 (1e+02%) ------------------------------------------------------------ Client connecting to 192.168.1.1, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 108 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.101 port 49377 connected with 192.168.1.1 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 40.2 MBytes 33.7 Mbits/sec [ 3] Sent 28660 datagrams [ 3] Server Report: [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 40.2 MBytes 33.7 Mbits/sec 0.190 ms 1/28661 (0.0035%) After the oops you can continue to use the WAN/LAN interfaces without any problems. Could you help me? Thanks a lot Andrea _______________________________________________ openwrt-devel mailing list [email protected] http://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
