id summary reporter owner description type status component version resolution keywords cc guest host 10173 Mistake with iSCSI authentication causes Segmentation Fault => fixed in svn/next maintenance release Steltek "While toying around with iSCSI support recently, I noticed that VirtualBox crashes very quickly at the slightest problem with the SCSI target data (like wrong authentication credentials). The UI displays an error stating: Failed to determine the accessibility state of the medium . Callee RC: NS_ERROR_CALL_FAILED (0x800706BE) The console where the VirtualBox command was run shows 'Segmentation Fault', the kernel log outputs: [ 6613.591346] VBoxSVC[17042]: segfault at b677b008 ip b73f6626 sp b67783fc error 4 in libc-2.13.so[b737d000+153000] [ 6621.900797] VirtualBox[16970]: segfault at 9d12af8 ip 09d12af8 sp bff4829c error 15 After this crash, it is impossible tostart VirtualBox again until one manually removes all references to the iSCSI volume from the VM's XML config file. (VirtualBox will keep crashing the same way until this is done.) In addition to that, VirtualBox loses the state of running VMs after this crash (all VMs are shown as 'Powered Off' even though some are running). The only way around this seems to be to shut down all VMs and all VirtualBox related processes, and start everything again. Host: Debian GNU/Linux wheezy/testing Kernel: Linux server 3.1.0-1-686-pae #1 SMP Tue Jan 10 05:42:54 UTC 2012 i686 GNU/Linux " defect closed other VirtualBox 4.1.8 obsolete iscsi segmentation fault Linux Linux