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Mon, 3 May 2021 05:14:46 -0400 (EDT) To: freebsd-virtualization@freebsd.org From: =?UTF-8?Q?Christian_St=c3=a6rk?= Subject: FreeBSD 13 on bhyve freezes under load Organization: The Border Worlds Message-ID: <587b3653-0433-ef46-a53d-d6ab0841f993@borderworlds.dk> Date: Mon, 3 May 2021 11:14:45 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 4FYckJ1ltwz4cdh X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=borderworlds.dk header.s=fm2 header.b=cyVNuvfJ; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=uUiRabFh; dmarc=none; spf=pass (mx1.freebsd.org: domain of xi@borderworlds.dk designates 66.111.4.29 as permitted sender) smtp.mailfrom=xi@borderworlds.dk X-Spamd-Result: default: False [-3.04 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.29]; 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 May 2021 09:14:49 -0000 Hello, I recently upgraded one of my bhyve guests to FreeBSD 13.0-RELEASE. The host is running 12.2-RELEASE-p4. The guest in question is used for building packages with poudriere and is always the first one to get upgraded to new releases. The guest freezes consistently every time poudriere tries to build the thunderbird package. Although it is not a complete freeze. It responds to ping and programs like top and systat continue updating. However, all I/O operations seem to hang. systat looks like this when it happens: https://borderworlds.dk/~xi/FreeBSD%2013%20frozen.png What is the best way to debug this? Best regards Christian