linux-kernel - Re: 4.15-rc6+ hang

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Message-ID: <alpine.DEB.2.21.9.1801070249070.2636@trent.utfs.org>
Date:   Sun, 7 Jan 2018 02:50:56 -0800 (PST)
From:   Christian Kujau <lists@...dbynature.de>
To:     Tom Hromatka <tom.hromatka@...cle.com>
cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dhaval Giani <dhaval.giani@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 4.15-rc6+ hang

On Thu, 4 Jan 2018, Tom Hromatka wrote:
> > > [    0.000000] ------------[ cut here ]------------
> > > [    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.
> 
> It seems probable that this is a VirtualBox issue.  I was
> able to boot my exact 4.15-rc6+ kernel in qemu-kvm v1.5.3
> just fine.

This was discussed on vbox-dev back in May 2017 (see the whole thread for 
more details):

 https://www.virtualbox.org/pipermail/vbox-dev/2017-May/014466.html

Does that help?

Christian.
-- 
BOFH excuse #9:

doppler effect