Andrea Tassi írta: > 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 > > [...] > > 701 pages shared > 15252 pages non-shared > eth0: out of memory
The driver runs out of skbs. > [ 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. Yes, the Out Of Memory issue is handled in the driver, so the transfer can continue. > Could you help me? I'm still wondering how can i improve the driver to avoid this. Regards, Gabor _______________________________________________ openwrt-devel mailing list [email protected] http://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
