Linus Torvalds writes: (Summary) wrote:
Any chance of bisecting this?
Any chance of bisecting this?
I could imagine that all the stuff we now do for page table isolation might confuse the VM.
might confuse the VM.
So a few questions:
So a few questions:
(a) does it work with "pti=no" on the kernel command line (a) does it work with "pti=no" on the kernel command line (b) what was the last kernel that worked?
[...]
(VirtualBox version 5.0.40)Any chance of bisecting this?
Any chance of bisecting this?
I could imagine that all the stuff we now do for page table isolation might confuse the VM.
might confuse the VM.
[...]
the boot log immediately prior to the hang:So a few questions:
So a few questions:
(a) does it work with "pti=no" on the kernel command line (a) does it work with "pti=no" on the kernel command line (b) what was the last kernel that worked?
[...]
[ 0.000000] XSAVE consistency problem, dumping leaves I think this is a vbox issue, with virtualbox not exposing all the xsave state, so that when the kernel adds up the xsave areas, the end result doesn't match what the total size is reported to be.