Re: 4.15-rc6+ hang

2018-01-08 Thread Ingo Molnar
* Christian Kujau wrote: > On Thu, 4 Jan 2018, Tom Hromatka wrote: > > > > [0.00] [ cut here ] > > > > [0.00] XSAVE consistency problem, dumping leaves > > > I think this is a vbox issue, with virtualbox not exposing all the > > >

Re: 4.15-rc6+ hang

2018-01-08 Thread Ingo Molnar
* Christian Kujau wrote: > On Thu, 4 Jan 2018, Tom Hromatka wrote: > > > > [0.00] [ cut here ] > > > > [0.00] XSAVE consistency problem, dumping leaves > > > I think this is a vbox issue, with virtualbox not exposing all the > > > xsave state, so that

Re: 4.15-rc6+ hang

2018-01-07 Thread Christian Kujau
On Thu, 4 Jan 2018, Tom Hromatka wrote: > > > [0.00] [ cut here ] > > > [0.00] 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,

Re: 4.15-rc6+ hang

2018-01-07 Thread Christian Kujau
On Thu, 4 Jan 2018, Tom Hromatka wrote: > > > [0.00] [ cut here ] > > > [0.00] 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,

Re: 4.15-rc6+ hang

2018-01-04 Thread Tom Hromatka
On 01/04/2018 07:22 PM, Linus Torvalds wrote: On Thu, Jan 4, 2018 at 5:36 PM, Tom Hromatka wrote: I am seeing a hang running kernel 4.15-rc6+ on a vanilla VirtualBox VM. (VirtualBox version 5.0.40) Any chance of bisecting this? I could imagine that all the stuff we

Re: 4.15-rc6+ hang

2018-01-04 Thread Tom Hromatka
On 01/04/2018 07:22 PM, Linus Torvalds wrote: On Thu, Jan 4, 2018 at 5:36 PM, Tom Hromatka wrote: I am seeing a hang running kernel 4.15-rc6+ on a vanilla VirtualBox VM. (VirtualBox version 5.0.40) Any chance of bisecting this? I could imagine that all the stuff we now do for page table

Re: 4.15-rc6+ hang

2018-01-04 Thread Linus Torvalds
On Thu, Jan 4, 2018 at 5:36 PM, Tom Hromatka wrote: > I am seeing a hang running kernel 4.15-rc6+ on a vanilla VirtualBox VM. > (VirtualBox version 5.0.40) Any chance of bisecting this? I could imagine that all the stuff we now do for page table isolation might confuse

Re: 4.15-rc6+ hang

2018-01-04 Thread Linus Torvalds
On Thu, Jan 4, 2018 at 5:36 PM, Tom Hromatka wrote: > I am seeing a hang running kernel 4.15-rc6+ on a vanilla VirtualBox VM. > (VirtualBox version 5.0.40) Any chance of bisecting this? I could imagine that all the stuff we now do for page table isolation might confuse the VM. > When I boot