From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F5CBC4332F for ; Fri, 21 Oct 2022 09:18:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230518AbiJUJSt (ORCPT ); Fri, 21 Oct 2022 05:18:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231192AbiJUJSp (ORCPT ); Fri, 21 Oct 2022 05:18:45 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 992152565CC for ; Fri, 21 Oct 2022 02:18:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666343915; x=1697879915; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version:content-transfer-encoding; bh=nVetjXHRfqyVKF1htzqfquwo9eva30/LnRsHGeRwraI=; b=izw9NJTLiTeO0uYbnqORVEMSLxV3ATL6LIVQ+oScCGs/cGw6GoTS+R6Z KpBFPXiAWwrbZohUKo7uW4opggiKFr/EtxfWIkT8dTjx42ycVfRZUcdCy yk6/WCpbPnFMQMbM2emEv3gmXq8v08bUiYgj7R4pO9k9BOIV1cV0LPpAL J7qnkgHp/RdQwGWg2uHnB1QCdt0WQVt2V1/AEin1yS8buHIpo5dnI/rhR AhJzAvmj/bWsASwbC8m7keEztP/JWNEKYfohYVTOaJUNPAG0pXwfOdxGa V6CfCTk4YC2gi3Ey9qs8nfOAsU+wJUY2FSjAF1gNyPifa2uQwhDvx5I0R w==; X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="306948910" X-IronPort-AV: E=Sophos;i="5.95,200,1661842800"; d="scan'208";a="306948910" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2022 02:18:24 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10506"; a="755707666" X-IronPort-AV: E=Sophos;i="5.95,200,1661842800"; d="scan'208";a="755707666" Received: from avilla3-mobl2.amr.corp.intel.com (HELO localhost) ([10.252.53.153]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2022 02:18:19 -0700 From: Jani Nikula To: Ville =?utf-8?B?U3lyasOkbMOk?= , Greg KH Cc: Jim Cromie , daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, jbaron@akamai.com, seanpaul@chromium.org, dri-devel@lists.freedesktop.org, joe@perches.com, intel-gvt-dev@lists.freedesktop.org Subject: Re: [Intel-gfx] [PATCH v7 0/9] dyndbg: drm.debug adaptation In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20220912052852.1123868-1-jim.cromie@gmail.com> Date: Fri, 21 Oct 2022 12:18:17 +0300 Message-ID: <87a65pfsbq.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 20 Oct 2022, Ville Syrj=C3=A4l=C3=A4 wrote: > On Sat, Sep 24, 2022 at 03:02:34PM +0200, Greg KH wrote: >> On Sun, Sep 11, 2022 at 11:28:43PM -0600, Jim Cromie wrote: >> > hi Greg, Dan, Jason, DRM-folk, >> >=20 >> > heres follow-up to V6: >> > rebased on driver-core/driver-core-next for -v6 applied bits (thanks) >> > rework drm_debug_enabled{_raw,_instrumented,} per Dan. >> >=20 >> > It excludes: >> > nouveau parts (immature) >> > tracefs parts (I missed --to=3DSteve on v6) >> > split _ddebug_site and de-duplicate experiment (way unready) >> >=20 >> > IOW, its the remaining commits of V6 on which Dan gave his Reviewed-by. >> >=20 >> > If these are good to apply, I'll rebase and repost the rest separately. >>=20 >> All now queued up, thanks. > > This stuff broke i915 debugs. When I first load i915 no debug prints are > produced. If I then go fiddle around in /sys/module/drm/parameters/debug > the debug prints start to suddenly work. Wait what? I always assumed the default behaviour would stay the same, which is usually how we roll. It's a regression in my books. We've got a CI farm that's not very helpful in terms of dmesg logging right now because of this. BR, Jani. --=20 Jani Nikula, Intel Open Source Graphics Center