From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liran Alon Subject: Re: VMs freezing when host is running 4.14 Date: Thu, 23 Nov 2017 18:26:36 +0200 Message-ID: <5A16F6BC.8060702@ORACLE.COM> References: <20171121161821.b6k3hdl3wgia5f5q@torres.zugschlus.de> <20171122093945.5afa2di2g7qhf4eb@torres.zugschlus.de> <20171122155208.wdcmosxfpsjbwcrm@torres.zugschlus.de> <20171122164312.GA21279@flask> <20171123152024.7xsc7lesv2qyujng@torres.zugschlus.de> <20171123155946.GC21184@flask> <5A16F4BF.9060306@ORACLE.COM> <20171123162457.GB11746@flask> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Marc Haber , LKML , "KVM-ML (kvm@vger.kernel.org)" , Wanpeng Li To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Return-path: In-Reply-To: <20171123162457.GB11746@flask> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 23/11/17 18:24, Radim Krčmář wrote: > 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://urldefense.proofpoint.com/v2/url?u=https-3A__www.spinics.net_lists_kvm_msg159062.html&d=DwIDaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=Jk6Q8nNzkQ6LJ6g42qARkg6ryIDGQr-yKXPNGZbpTx0&m=rrMFkfAUbtL2483mBNnqlNlY4qjSYBGNcZrGkRksaVQ&s=TyykS9RM7nBGxt3GgdD7Oo96RWf8ntIDptU9LJ9fQ8g&e= >> 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. > Oh I see. If there is no nested guest so no. My fix here probably won't help. -Liran