id summary reporter owner description type status component version resolution keywords cc guest host 15887 VBox 5.1.4 Segmentation fault on debian 8.0 Yomo "Windows 10 guest is suddenly crashed on VBox 5.1.4 with Debian 8.0 At that time,it is never logged anything as normal on Virtual Box log. But when guest is crashed,syslog is always logged below message. {{{ Sep 5 19:20:06 svyomo2 kernel: [809769.955405] EMT-3[27279]: segfault at 10 ip 00007f6b8b60d43a sp 00007f6ba3cfbbd0 error 4 in VBoxDD.so[7f6b8b4f9000+289000] Sep 5 19:20:06 svyomo2 kernel: [809770.088679] device eth0 left promiscuous mode Sep 5 19:20:06 svyomo2 kernel: [809770.116004] vboxnetflt: 0 out of 248332 packets were not sent (directed to host) }}}" defect closed host support VirtualBox 5.1.4 fixed Windows Linux