From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753045AbcEYJms (ORCPT ); Wed, 25 May 2016 05:42:48 -0400 Received: from mga04.intel.com ([192.55.52.120]:37248 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752437AbcEYJmr (ORCPT ); Wed, 25 May 2016 05:42:47 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,363,1459839600"; d="scan'208";a="988347518" From: Jani Nikula To: sedat.dilek@gmail.com, Daniel Vetter Cc: intel-gfx , LKML Subject: Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU pipe/PCH transcoder" A FIFO underrun In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: User-Agent: Notmuch/0.22+12~gbdd9442 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Wed, 25 May 2016 12:42:44 +0300 Message-ID: <87wpmibhij.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 25 May 2016, Sedat Dilek wrote: > Hi Daniel, > > with latest Linus Git I see this with my Intel SandyBridge GPU... > > [ 17.629014] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] > *ERROR* CPU pipe A FIFO underrun > [ 17.630652] [drm:intel_set_pch_fifo_underrun_reporting [i915]] > *ERROR* uncleared pch fifo underrun on pch transcoder A > [ 17.630685] [drm:intel_pch_fifo_underrun_irq_handler [i915]] > *ERROR* PCH transcoder A FIFO underrun > > Attached are my linux-config, dmesg-output anx Xorg-log. > > Any other informations you need? For starters, please try the fixes pull I just sent on top [1]. There's a couple of watermark fixes. BR, Jani. [1] http://mid.gmane.org/87zirebjm7.fsf@intel.com -- Jani Nikula, Intel Open Source Technology Center From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU pipe/PCH transcoder" A FIFO underrun Date: Wed, 25 May 2016 12:42:44 +0300 Message-ID: <87wpmibhij.fsf@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id B09496E6AB for ; Wed, 25 May 2016 09:42:46 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: sedat.dilek@gmail.com, Daniel Vetter Cc: intel-gfx , LKML List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyNSBNYXkgMjAxNiwgU2VkYXQgRGlsZWsgPHNlZGF0LmRpbGVrQGdtYWlsLmNvbT4g d3JvdGU6Cj4gSGkgRGFuaWVsLAo+Cj4gd2l0aCBsYXRlc3QgTGludXMgR2l0IEkgc2VlIHRoaXMg d2l0aCBteSBJbnRlbCBTYW5keUJyaWRnZSBHUFUuLi4KPgo+IFsgICAxNy42MjkwMTRdIFtkcm06 aW50ZWxfY3B1X2ZpZm9fdW5kZXJydW5faXJxX2hhbmRsZXIgW2k5MTVdXQo+ICpFUlJPUiogQ1BV IHBpcGUgQSBGSUZPIHVuZGVycnVuCj4gWyAgIDE3LjYzMDY1Ml0gW2RybTppbnRlbF9zZXRfcGNo X2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nIFtpOTE1XV0KPiAqRVJST1IqIHVuY2xlYXJlZCBwY2gg ZmlmbyB1bmRlcnJ1biBvbiBwY2ggdHJhbnNjb2RlciBBCj4gWyAgIDE3LjYzMDY4NV0gW2RybTpp bnRlbF9wY2hfZmlmb191bmRlcnJ1bl9pcnFfaGFuZGxlciBbaTkxNV1dCj4gKkVSUk9SKiBQQ0gg dHJhbnNjb2RlciBBIEZJRk8gdW5kZXJydW4KPgo+IEF0dGFjaGVkIGFyZSBteSBsaW51eC1jb25m aWcsIGRtZXNnLW91dHB1dCBhbnggWG9yZy1sb2cuCj4KPiBBbnkgb3RoZXIgaW5mb3JtYXRpb25z IHlvdSBuZWVkPwoKRm9yIHN0YXJ0ZXJzLCBwbGVhc2UgdHJ5IHRoZSBmaXhlcyBwdWxsIEkganVz dCBzZW50IG9uIHRvcCBbMV0uIFRoZXJlJ3MKYSBjb3VwbGUgb2Ygd2F0ZXJtYXJrIGZpeGVzLgoK QlIsCkphbmkuCgoKClsxXSBodHRwOi8vbWlkLmdtYW5lLm9yZy84N3ppcmViam03LmZzZkBpbnRl bC5jb20KCgoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENl bnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK