search for: udpincksumerr

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2007 Aug 08
1
udp checksum error with ipcl_tcpconn_cache
...rk switch. in sending v40z, we set ip:dohwcksum=0 in /etc/system. The sending peer send out packets at about 40M/s, the windows machines don''t report checksum error, but v40z report checksum error, using dtrace we found following stack during checksum error: dtrace: description ''udpInCksumErrs '' matched 2 probes CPU ID FUNCTION:NAME 2 842 ipcl_tcpconn_cache:udpInCksumErrs ip`ip_input+0x729 dls`i_dls_link_ether_rx+0x153 mac`mac_rx+0x46 e1000g`e1000g_intr_work+0x1a8 e1000g`e1000g_intr+0x3c unix`av_dispatch_autovect+0x78 unix`intr_thread+0x50 2 842 ipcl_tcpconn_cache:udpInCksumE...