id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 12703,guest virtual drive vanishes while in use,Chris Murphy,,"When starting a heavy copy of files, the boot disk in the guest becomes slow, then unresponsive, kernel logs multiple errors, the drive eventually vanishes and the guest OS implodes. Guest kernel first reports this: ata1.00: cmd 60/08:00:f8:67:73/00:00:00:00:00/40 tag 0 ncq 4096 in res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) ata1.00: status: { DRDY } ata1: hard resetting link Host kernel reports nothing unusual.",defect,closed,other,VirtualBox 4.3.6,obsolete,,,other,other