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[176.63.12.154]) by smtp.gmail.com with ESMTPSA id g4-20020a170906868400b006fee98045cdsm7447796ejx.10.2022.06.28.22.52.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jun 2022 22:52:35 -0700 (PDT) Date: Wed, 29 Jun 2022 07:52:35 +0200 From: Tamas Szakaly To: freebsd-hackers@freebsd.org Subject: Re: how to run bhyve and virtualbox at the same time Message-ID: <20220629055235.35suv34p5cbv2qtg@telaranrhiod> Mail-Followup-To: freebsd-hackers@freebsd.org References: <62B9FBF1.6030906@grosbein.net> <1D2BDC88-6739-45E0-A609-98D6FF271733@aeichner.de> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1D2BDC88-6739-45E0-A609-98D6FF271733@aeichner.de> X-Rspamd-Queue-Id: 4LXrGF6ZJkz3nGt X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=hD1YD4Dc; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of sghctoma@gmail.com designates 2a00:1450:4864:20::634 as permitted sender) smtp.mailfrom=sghctoma@gmail.com X-Spamd-Result: default: False [-3.31 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.81)[-0.813]; RECEIVED_SPAMHAUS_PBL(0.00)[176.63.12.154:received]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::634:from]; MLMMJ_DEST(0.00)[freebsd-hackers]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N Hello, > On hosts other than Windows and macOS VirtualBox defaults to an exclusive use of VT-x/SVM for performance reasons. That mode can be changed > to do the initialization every time VirtualBox is scheduled on a particular CPU which has higher overhead but allows sharing the hardware virtualization capabilities > with other hypervisors. The setting can be changed with VBoxManage. Look at the manual under [1] and search for „hwvirtexclusive“. Sorry for the off-topic comment, but this might be interesting to other VirtualBox users: a happy side effect of turning "hwvirtexclusive" off is that it seems to solve the crash that occurs when the host is resuming from S3 sleep while having running VirtualBox VMs. Toma