id summary reporter owner description type status component version resolution keywords cc guest host 8268 VM will not boot after upgrading to 4.0 Sam Morris "After upgrading to 4.0.2, and restoring my VM's state, it operated normally for a few seconds before freezing up (no mouse cursor, had to use the magic sysrq B key to reset it). Now, the vm locks up during boot, after the following is logged: > ahci 0000:00:0d.0: PCI INT A -> Link[LN KA] -> GSI 5 (level, low) -> IRQ 5 > ahci: SSS flag set, parallel bus scan disabled > ahci 0000:00:0d.0: AHCI 0001.0100 32 slots 2 ports 3 Gbps 0x3 impl SATA mode > ahci 0000:00:0d.0: flags: 64bit ncq stag only ccc > scsi0 : ahci > scsi1 : ahci > ata1: SATA max UDMA/133 abar m8192@0xf0806000 port 0xf0806100 irq 5 > ata2: SATA max UDMA/133 abar m8192@0xf0806000 port 0xf0806180 irq 5 > scsi2 : ata_piix > scsi3 : ata_piix > ata3: PATA max UDMA/33 cmd 0x1f0 ctl 0x3f6 bmdma 0xd000 irq 14 > ata4: PATA max UDMA/33 cmd 0x170 ctl 0x375 bmdma 0xd008 irq 15 > ata3.00: ATAPI: VBOX CD-ROM, 1.0, max UDMA/1333 > ata3.00: configured for UDMA/33 > ata1: SATA link up 3.0 Gbps (SStatus 123 Scontrol 300) > ata1.00: ATA-6 VBOX HARDDISK, 1.0, max UDMA/133 > ata1.00: 629145600 sectors, multi 128: LBA48 NCQ (depth 31/32) > ata1.00: configured for UDMA/133 > scsi 0:0:0:0: Direct-Access ATA VBOX HARDDISK 1.0 PQ: 0 ANSI: 5 I now can't start my VM at all! Host is Windows 7, guest is Linux 2.6.32. (Debian). " defect closed other VirtualBox 4.0.2 duplicate Linux Windows