From owner-freebsd-stable@freebsd.org Wed Nov 9 19:13:58 2016 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 B9CA3C37E06 for ; Wed, 9 Nov 2016 19:13:58 +0000 (UTC) (envelope-from elferdo@gmail.com) Received: from mail-it0-x22f.google.com (mail-it0-x22f.google.com [IPv6:2607:f8b0:4001:c0b::22f]) (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 8C36039F for ; Wed, 9 Nov 2016 19:13:58 +0000 (UTC) (envelope-from elferdo@gmail.com) Received: by mail-it0-x22f.google.com with SMTP id q124so177760725itd.1 for ; Wed, 09 Nov 2016 11:13:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=WF4UUVs1rqdDPaQT827SYiS1WKAIysNkSrD/DIsNQy8=; b=u9n7TnKYazKYbytgyT2ArCJoQ/G6qsfw/ZzHcNaVEHgme+jOn7/i3ZFggNLu8AgFmI krNCn9of2KDWQ6iM/DaQq90PRHhOtrW6EV0EWMHlvucloIxKRa8WcaB1YRZ7gys/nNCl ngcMj52fOrIdYWUTMu5UhVHlNx3od6gx+WXkfUuHCxWOa623mvaz+WvIPW+VpUTY9mf1 FkdvbUWQMdvCul0b02fngCWSSWgOjE0vbl2+VdrTtxXMCqGQFmdQx3eLKufUi9JpO3RS RcL9xt/ZQKJn1+pZnk1HTQeg5Uz3p3vJ8RBzBPj8uM31qi21uGTAuVOdlejY7zRFVbMt Zgow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=WF4UUVs1rqdDPaQT827SYiS1WKAIysNkSrD/DIsNQy8=; b=f1IUvFBIA+hw9eK1HzgVHQ+6olQh3SPIwUleuXNjLhWG29oHSOVGKHqGsDDf9FgGWI qunE5tSgDEgKjjSDiIwgoNljA2jF9wCj4Flzq/MYOcM02CTrFQqie/HM+shIJHXXOY7q kA5WskB0Tpy2ootPA6CjZcNFYST5IIYSx6OZju95LZfxvAAj9GPfdIQ1zbLVBmTm9+M7 MMn//fucoC6OtgcrJTqlcfj94E9xYshrvChRtC/gQLzMKOD2xshO4z2Gq5ekmh0ICYe6 benB+tScwedeKuNb4I4udocMg32K/zTSBEjdp2SOoF00eFgURWVhtJQofhyItu1pYHwZ wksw== X-Gm-Message-State: ABUngvc7C5ccFYlXJt+kbk25H3jHhHVQ1iBbxRp8OEEIur+n/MbxKdlHmWjXXTpieXqUYh9QA6IRWfOmHRxq0Q== X-Received: by 10.107.181.148 with SMTP id e142mr1945306iof.202.1478718837619; Wed, 09 Nov 2016 11:13:57 -0800 (PST) MIME-Version: 1.0 Received: by 10.36.109.200 with HTTP; Wed, 9 Nov 2016 11:13:57 -0800 (PST) From: =?UTF-8?Q?Fernando_Herrero_Carr=C3=B3n?= Date: Wed, 9 Nov 2016 20:13:57 +0100 Message-ID: Subject: i915 rc6 powersaving on ironlake failing To: freebsd-stable Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Nov 2016 19:13:58 -0000 Hi everyone, I am running FreeBSD 11.0-RELEASE-p2 #0 on an old toshiba laptop. I have had drm.i915.enable_rc6=7 on /boot/loader.conf for a long time (at least in 10-RELEASE) and I thought it was working. I have only realised now the following error in dmesg: drmn0: taking over the fictitious range 0xc0000000-0xd0000000 error: [drm:pid813:__wait_seqno] *ERROR* WARN ON: !ring->irq_get(ring)error: [drm:pid813:ironlake_enable_rc6] *ERROR* failed to enable ironlake power power savings I don't know if it is a regression in FreeBSD 11 or if I just never noticed the error before. Is there anything I can do to enable powersaving? Thanks, Fernando