From owner-freebsd-stable@freebsd.org Sun Jun 28 07:12:24 2015 Return-Path: Delivered-To: freebsd-stable@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 E98F198FEF0 for ; Sun, 28 Jun 2015 07:12:23 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-oi0-x234.google.com (mail-oi0-x234.google.com [IPv6:2607:f8b0:4003:c06::234]) (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 B7A941167 for ; Sun, 28 Jun 2015 07:12:23 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by oigx81 with SMTP id x81so99935864oig.1 for ; Sun, 28 Jun 2015 00:12:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=AJMtSwGobYA89iQ4maBjPlTs2iTleDxu5ZYpYXO7dP8=; b=I0cuSuM74D6Z2LjfE7tzAlmf0h2P41AlpSq1U/eWRPPd+9s5QChGGBHBVebokFI22d 2uI7UzsXGRRpoUe44g4EZpndbnmyn7zTJAqsxP1IgfkhtPONhEs7CgAPjSySDg96NNMB isoWiFrq5X6n4KlyJkMkT2VgGbX6QV9mknIylkXfMNn+A2Fweg4JRMr/3TqKtC/STPeL dXCDV4+tvmFPylrMIKQOISndsJLVwvdHcL3y3sCHQ47Msa/wbkcIp4d9cLFuNRg0byUZ eKZTZ1INtPyKKzrNA4hO7S4FwpbJ3qRLAeO0Yq96xlCw07u/qRhixz+RX/bR5mfJkth6 93rw== MIME-Version: 1.0 X-Received: by 10.60.147.194 with SMTP id tm2mr8448499oeb.75.1435475542929; Sun, 28 Jun 2015 00:12:22 -0700 (PDT) Sender: kob6558@gmail.com Received: by 10.202.221.69 with HTTP; Sun, 28 Jun 2015 00:12:22 -0700 (PDT) In-Reply-To: <86oak0bkky.fsf@WorkBox.Home> References: <86oak289hv.fsf@gly.ftfl.ca> <86616894vk.fsf@gly.ftfl.ca> <86oak0bkky.fsf@WorkBox.Home> Date: Sun, 28 Jun 2015 00:12:22 -0700 X-Google-Sender-Auth: PM74PFKrGn892fGwdN8X24KAJaY Message-ID: Subject: Re: suspend/resume regression From: Kevin Oberman To: "Brandon J. Wandersee" Cc: Joseph Mingrone , Adrian Chadd , FreeBSD-STABLE Mailing List Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Jun 2015 07:12:24 -0000 On Sat, Jun 27, 2015 at 8:03 PM, Brandon J. Wandersee < brandon.wandersee@gmail.com> wrote: > > Kevin Oberman writes: > > > On Sat, Jun 27, 2015 at 3:13 PM, Joseph Mingrone wrote: > > > >> Adrian Chadd writes: > >> > does it always fail now? > >> > >> Yes. The behaviour I described is, so far with 15-20 tries, consistent. > >> > > > > I confirm that I see the similar behavior on my T520 ThinkPad, Sandy > Bridge > > system. > > FreeBSD rogue 10.2-PRERELEASE FreeBSD 10.2-PRERELEASE #1 r284698: Mon Jun > > 22 09:25:11 PDT 2015 root@rogue:/usr/obj/usr/src/sys/GENERIC amd64 > > > > It has been working flawlessly since Adrian's ACPI update. As of now, it > > suspends fine, but it won't resume. I get a fan spin-up, but the power > LED > > continues to pulse, indicating it is suspended and the logs show nothing > > after the suspend. > > Just updated my T520 yesterday, and I get the same behavior with the > same machine here. Suspend is fine; resume fails. It seems to get a bit > farther along in the resume process if i915kms isn't loaded, though I've > got no way to really measure that. I've tried a GENERIC kernel, clean > source tree and empty src.conf, to no avail. > > Several MFCs in r280434 from a couple weeks ago touched a whole bunch of > suspend/resume stuff. That might be a good place to start digging. > > I have narrowed it to between 283990 and 284074. Have to crash, so maybe someone else will track it down by tomorrow. I only see a handfull (<10) commits in there that look like possible causes. 280434 is compiling right now as the prime candidate. Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683