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[    0.618283] sr 1:0:0:0: Attached scsi generic sg0 type 5

[    0.619009] Freeing unused kernel memory: 880k freed

[    0.620174] Write protecting the kernel read-only data: 7740k

Loading, please wait...

[    0.641337] udev: starting version 151

Begin: Loading essential drivers... ...

Done.

Begin: Running /scripts/init-premount ...

Done.

Begin: Mounting root file system... ...

Begin: Running /scripts/local-top ...

Done.

[    0.666178] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11

[    0.667632] virtio-pci 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 11 (level, high) -> IRQ 11

[    0.670846] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10

[    0.672451] virtio-pci 0000:00:04.0: PCI INT A -> Link[LNKD] -> GSI 10 (level, high) -> IRQ 10

[    0.672990] Floppy drive(s): fd0 is 2.88M AMI BIOS

[    0.684889] FDC 0 is a S82078B

Gave up waiting for root device.  Common problems:

 - Boot args (cat /proc/cmdline)

   - Check rootdelay= (did the system wait long enough?)

   - Check root= (did the system wait for the right device?)

 - Missing modules (cat /proc/modules; ls /dev)

ALERT! /dev/sda does not exist. Dropping to a shell!

 

 

BusyBox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu11) built-in shell (ash)

Enter 'help' for a list of built-in commands.

 

(initramfs)