From owner-freebsd-xen@FreeBSD.ORG Tue Mar 18 10:14:39 2014 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4174AAAC for ; Tue, 18 Mar 2014 10:14:39 +0000 (UTC) Received: from mail-vc0-x233.google.com (mail-vc0-x233.google.com [IPv6:2607:f8b0:400c:c03::233]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id EECCE960 for ; Tue, 18 Mar 2014 10:14:38 +0000 (UTC) Received: by mail-vc0-f179.google.com with SMTP id ij19so6924497vcb.38 for ; Tue, 18 Mar 2014 03:14:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=references:in-reply-to:mime-version:content-transfer-encoding :content-type:message-id:cc:from:subject:date:to; bh=a3zCoX1CicK6CwRnF5gVVsff9XsX6XiGGFj2DPBJK7s=; b=PLvuovGE3BxgDMpNc/ZEYEh07VHhxth0KlhQw4mz7OdB6u0Bi33PsTlG1q3inZyCkp 094rGC19tuiqzv18wLaf7XmzQD5bya4glWg5mPsfhvMX+41YzwjD1QlcBq7sV3P+ai/S TCjzVHZFEnBwDDXIk8Q8P3jxa89/ffEleWEViulWp+tLqLuqLbzWzynbLb11LQ+tsLuB 0VxVBmeQFvWixCvoJaXOE3XNO/lQPaE/9Xh5rudqXobraeHT9UPod/wwTEKDNCuSuNLf hvLv3f5HFaw4x3vIoUjr93p7UnTjup61vxHGk/VbQEgwdWzHdlbbz62Goix2PGWR5vuR unUA== X-Received: by 10.220.95.139 with SMTP id d11mr11252755vcn.21.1395137678187; Tue, 18 Mar 2014 03:14:38 -0700 (PDT) Received: from [192.168.1.101] (179-236-4-200.user.veloxzone.com.br. [179.236.4.200]) by mx.google.com with ESMTPSA id ay4sm34668421vdc.6.2014.03.18.03.14.35 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 18 Mar 2014 03:14:36 -0700 (PDT) References: <4B8380EBE379080FAD3271FA@Mail-PC.tdx.co.uk> <53272E41.3050409@citrix.com> <6534613783544E26A15CF44F@study64.tdx.co.uk> <5328076C.9000304@citrix.com> <0A15EC23852EB144F19A5228@Mail-PC.tdx.co.uk> In-Reply-To: <0A15EC23852EB144F19A5228@Mail-PC.tdx.co.uk> Mime-Version: 1.0 (1.0) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Message-Id: <3F0F9C1A-5592-4BD7-959B-41E9FE82F3C4@gmail.com> X-Mailer: iPad Mail (9B206) From: Tiago Ribeiro Subject: Re: FBSD 10.0-S (r261289M) under XenServer 6.2 - Stuck sshd in urdlck? Date: Tue, 18 Mar 2014 07:14:35 -0300 To: Karl Pielorz Cc: "freebsd-xen@FreeBSD.org" X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Mar 2014 10:14:39 -0000 Em 18/03/2014, =C3=A0s 06:47, Karl Pielorz escreveu= : >=20 > --On 18 March 2014 09:44 +0100 Roger Pau Monn=C3=A9 = wrote: >=20 >> The output of vmstat -ai might also be helpful to assure that event >> timers are working correctly. >=20 > Ok, that's at the bottom of this email. >=20 >> Also, does this VM have some >> PCI-passthrough? Did you migrate it? The xl configuration file used to >> create the domain would also be interesting. >=20 > VM has no passthrough (this is a completely separate system to the one I w= as doing the passthrough work on), and was created 'from new' - from Xen Cen= ter I did "VM, new VM" >=20 > I used the "Other install media" template with 2 vCPU's and 2048Mb of RAM -= and fed it the FreeBSD 10.0-R amd64 install ISO. Single GPT partition, ufs -= and a small (2Gb SWAP partition). >=20 > Once the system was running I installed subversion then did a svn checkout= of 'stable' source - rebuilt the world/kernel / installed the kernel/world -= and did the usual mergemaster updates. >=20 >> Also, could you try the same workload with a pristine GENERIC kernel? >=20 > Ok - I'll leave this VM 'as-is' If I get time I'll setup two new VM's - a s= tock 10.0-R with stock GENERIC, and another one using the r261289M source fr= om this machine, but stock GENERIC kernel (the only mods I'd made were the '= NO_ADAPTIVE_' changes as recommended by the xen man page). >=20 > It may be a while before I know if sshd is going to get 'stuck' again - bu= t I'll keep an eye on them. >=20 > -Karl >=20 This problem seems to not be in virtualization, the FUG-BR are discussing th= is issue in SSH FreeBSD10.=