From owner-freebsd-ppc@FreeBSD.ORG Mon Jul 25 15:40:53 2011 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 90152106566C; Mon, 25 Jul 2011 15:40:53 +0000 (UTC) (envelope-from paul@gromit.dlib.vt.edu) Received: from lennier.cc.vt.edu (lennier.cc.vt.edu [198.82.162.213]) by mx1.freebsd.org (Postfix) with ESMTP id 421578FC1A; Mon, 25 Jul 2011 15:40:52 +0000 (UTC) Received: from zidane.cc.vt.edu (zidane.cc.vt.edu [198.82.163.227]) by lennier.cc.vt.edu (8.13.8/8.13.8) with ESMTP id p6PFeMrj029991; Mon, 25 Jul 2011 11:40:22 -0400 Received: from auth3.smtp.vt.edu (EHLO auth3.smtp.vt.edu) ([198.82.161.152]) by zidane.cc.vt.edu (MOS 4.2.2-FCS FastPath queued) with ESMTP id QAW65796; Mon, 25 Jul 2011 11:40:21 -0400 (EDT) Received: from pmather.tower.lib.vt.edu (pmather.tower.lib.vt.edu [128.173.51.28]) (authenticated bits=0) by auth3.smtp.vt.edu (8.13.8/8.13.8) with ESMTP id p6PFeLWi014178 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Mon, 25 Jul 2011 11:40:21 -0400 Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Paul Mather In-Reply-To: <4E2C8219.6060907@freebsd.org> Date: Mon, 25 Jul 2011 11:40:21 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: References: <76CAEDC6-A527-4AEA-9CE8-1ED9B65CACB8@gromit.dlib.vt.edu> <4E2C8219.6060907@freebsd.org> To: Nathan Whitehorn X-Mailer: Apple Mail (2.1084) X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu paul@gromit.dlib.vt.edu 5 none X-Junkmail-Status: score=10/50, host=zidane.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020209.4E2D8E66.0072,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=single engine X-Junkmail-IWF: false Cc: freebsd-ppc@freebsd.org Subject: Re: "sysctl -a" hangs multiuser boot X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2011 15:40:53 -0000 On Jul 24, 2011, at 4:35 PM, Nathan Whitehorn wrote: > On 07/19/11 11:19, Paul Mather wrote: >> I'm having problems with a kernel built today from a csup done today. = I'm using an Xserve G5 running FreeBSD/powerpc64 9-CURRENT. The system = will not boot up multiuser: it hangs at "Entropy harvesting: interrupts = ethernet point_to_point" and gets no further. I can't Ctrl-C to get the = boot past that point. >>=20 >> It appears it is the "sysctl -a" in the entropy kickstart portion of = /etc/rc.d/initrandom that is causing the problem. >>=20 >> If I do "sysctl -a" manually it will produce output so far and then = no further. Here are the last few lines before it stops outputting = anything more: >>=20 >> [[...]] >> hw.usb.ugen.debug: 0 >> hw.usb.power_timeout: 30 >> hw.usb.uhub.debug: 0 >> hw.usb.no_pf: 0 >> hw.usb.proc.debug: 0 >> hw.usb.pr_recovery_delay: 250 >> hw.usb.pr_poll_delay: 50 >> hw.usb.uhid.debug: 0 >> hw.usb.ukbd.no_leds: 0 >> hw.usb.ukbd.debug: 0 >> hw.usb.ums.debug: 0 >>=20 >>=20 >>=20 >> The system doesn't hang, but console input ceases to work and I can't = SSH into the system any more. I can still ping the machine, but ping = times vary wildly, e.g., >>=20 >> 27 packets transmitted, 26 packets received, 3.7% packet loss >> round-trip min/avg/max/stddev =3D 57.076/708.818/1395.450/280.318 ms >>=20 >> Those ping times are way higher than normal. Here is an example of = pinging the machine when it is not under the influence of doing a = "sysctl -a": >>=20 >> 23 packets transmitted, 23 packets received, 0.0% packet loss >> round-trip min/avg/max/stddev =3D 0.421/0.591/0.758/0.096 ms >>=20 >>=20 >> Also, at occasional intervals, this will be output on the console = after having done a "sysctl -a": >>=20 >> max66900: iicbus read failed >>=20 >>=20 >=20 > Could you please try the attached patch? >=20 A new kernel built with the patch can successfully execute "sysctl -a". = Thanks! Cheers, Paul.