linux-kernel - Re: VMs freezing when host is running 4.14

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Message-ID: <20171123162457.GB11746@flask>
Date:   Thu, 23 Nov 2017 17:24:58 +0100
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Liran Alon <LIRAN.ALON@...CLE.COM>
Cc:     Marc Haber <mh+linux-kernel@...schlus.de>,
        LKML <linux-kernel@...r.kernel.org>,
        "KVM-ML (kvm@...r.kernel.org)" <kvm@...r.kernel.org>,
        Wanpeng Li <kernellwp@...il.com>
Subject: Re: VMs freezing when host is running 4.14

2017-11-23 18:18+0200, Liran Alon:
> On 23/11/17 17:59, Radim Krčmář wrote:
> > Btw. there have been already many fixes from Liran Alon for that patch
> > and your case could be the one adressed in
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.spinics.net_lists_kvm_msg159158.html&d=DwIDaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=Jk6Q8nNzkQ6LJ6g42qARkg6ryIDGQr-yKXPNGZbpTx0&m=206jU1rQdk3xs1DYWbQPz1gR7Iim02XOjwn458rwgIo&s=fz1JeZiSQBwqYpkmeX8OJukyC4M8BeXSuIOKwuVaeHg&e=
> > 
> > The patch is incorrect, but you might be able to see only its benefits.
> 
> Actually I would first attempt to check this patch of mine:
> https://www.spinics.net/lists/kvm/msg159062.html
> It fixes a bug of a L2 exception accidentally being delivered into L1.

Marc's guest didn't have kvm/vbox/... module loaded, so I assumed that
we're not running L2.  Do you suspect it also fixes something else?

Thanks.