From owner-freebsd-virtualization@freebsd.org Wed Dec 7 03:26:00 2016 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7DFC3C674FF for ; Wed, 7 Dec 2016 03:26:00 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: from mail-pg0-x229.google.com (mail-pg0-x229.google.com [IPv6:2607:f8b0:400e:c05::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 504B6B06 for ; Wed, 7 Dec 2016 03:26:00 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: by mail-pg0-x229.google.com with SMTP id f188so156010979pgc.3 for ; Tue, 06 Dec 2016 19:26:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=sS08kBU3zVtQffAbWE+Q2gMxn5n8wBmfB2lROaq1V9I=; b=lg8EWPJJ1/HgY8Dmv7UaIoovg/utxNuj4Gmvz/u7SOUQDwrOxA0/bbv+HIfVhJPq2y xp3FwndzVTJqKrmxkgMhlhLAao1wsenQ3fBIwm2YbSiaOhFWu+QfV/F+bchzdTvKidFs xnTirJRvxbhcowkAGZlaUg1ZSQbPY+dZDJd2V3kKgxG27DSL+KWKONiEUAqev7PYCw83 Pr15SIys/y3m03QlClLUpyUTUzKHW9ucD4rnLSWG2MX9smTDZqVUhJ0jpWV+MKefmcfQ eZQqAOBSKnJYBOIgqubuwcKd5sXV9StWdfollBpvDhvOOeWrueTcujC3oxcgyg0UYwfC s+WA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=sS08kBU3zVtQffAbWE+Q2gMxn5n8wBmfB2lROaq1V9I=; b=Z+41kUpxA3Xjigm7DxXD7JEk8uFsLrIbpk9cT1MFwRPPsVhs7WePze4CLTEER8baq7 /qPnRRJ+iWTprf4AJkdirFdysbT4/Kd0q65bxMhthkHHYYdudZLEchGfB1rtKs8sxpDu wU86SDKbWH92PsvhJ1WyAmPhfJAhxatv4jjrpjjLlQoHO34U5Rhaj2Tz9ff+wv/UAF5W eeb20CQGhqtuCxoQS0Dlxb4KZ1IkilhfUEARDobAC/y5TM11H2JGQ57jji5xRc6UFuOw WWphWFauk1OX+KNQf2YupxBEq6uNpNUlT4cuSiwM3s22puYA26aW4nIK6IBUCNYBup3G efRg== X-Gm-Message-State: AKaTC03cSdwycBE5JGqqB3PTYQzccletvUkBsPCaNV/CzFBskhcMfDDVr5Nrm2fObn1U5A== X-Received: by 10.84.216.26 with SMTP id m26mr143447582pli.22.1481081159800; Tue, 06 Dec 2016 19:25:59 -0800 (PST) Received: from [172.16.1.28] (c-73-155-87-64.hsd1.tx.comcast.net. [73.155.87.64]) by smtp.gmail.com with ESMTPSA id i11sm38064909pgn.17.2016.12.06.19.25.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Dec 2016 19:25:59 -0800 (PST) To: freebsd-virtualization@FreeBSD.org From: Rajil Saraswat Subject: Debian 8 CPU stall Message-ID: Date: Tue, 6 Dec 2016 21:25:26 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Dec 2016 03:26:00 -0000 Hello, I get these messages in Debian 8 VM running in bhyve FreeBSD-11 release. Any idea what could be the issue: INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11047 jiffies, g=1038939, c=1038938, q=77) INFO: Stall ended before state dump start Thanks, Rajil