After looking, it's were a coincidence for me. I have the same chipset, but the problem appeared after a upgrade.
Feb 15 21:17:22 ashka-laptop kernel: [80367.085326] vboxdrv: fAsync=0 offMin=0x1c2 offMax=0x7f8 Feb 15 21:17:22 ashka-laptop kernel: [80367.085369] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. and Kernel panic!
After looking, it's were a coincidence for me. I have the same chipset, but the problem appeared after a upgrade.
Feb 15 21:17:22 ashka-laptop kernel: [80367.085326] vboxdrv: fAsync=0 offMin=0x1c2 offMax=0x7f8
Feb 15 21:17:22 ashka-laptop kernel: [80367.085369] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
and Kernel panic!