id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 2974,Virtualbox 2.1 Crash - possibly due to new NAT code Problem,Ari,,"Many people are reporting hard crashes with VB 2.1 when using applications that use the network like email clients. In many reports I've seen, and in my particular case, this is with Ubuntu 8.10 AMD64 Host, WinXP SP3 guest, having several crashes per day typically when using outlook (trying to send an email, or forcing a refresh). The logfile does not show anything, but I see this with dmesg: VirtualBox[11017]: segfault at 35 ip 00007f48ae153147 sp 00000000401cac10 error 6 in VBoxDD.so[7f48ae0c0000+1ad000] This is the forum thread were reports have been accumulating in the past few days: http://forums.virtualbox.org/viewtopic.php?p=53289#53289 People report that a workaround is not to use NAT - use host interface networking instead. ",defect,closed,network/NAT,VirtualBox 2.1.0,fixed,nat,,Windows,Linux