Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754077AbbLQSeU (ORCPT ); Thu, 17 Dec 2015 13:34:20 -0500 Received: from dovecot.logic.tuwien.ac.at ([128.130.175.61]:44786 "EHLO mail.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751163AbbLQSeT (ORCPT ); Thu, 17 Dec 2015 13:34:19 -0500 Date: Fri, 18 Dec 2015 03:34:15 +0900 From: Norbert Preining To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: 4.4-rc, intel dri i915, regular hangs and corruptions Message-ID: <20151217183415.GG15645@logic.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2141 Lines: 57 Dear all, since 4.4-rc (at least rc2 it was the first I tested), the Intel DRI is in very broken state. Hardware: Sony VAIO Pro 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) Subsystem: Sony Corporation Device 90b6 Flags: bus master, fast devsel, latency 0, IRQ 40 Memory at f5c00000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 Symptoms: * font corruption sometime sets of glyphs, or practically all glyphs disappear related probably to bug https://bugs.freedesktop.org/show_bug.cgi?id=55500 I have sent some info there already, without response Currently my font displays some kind of strange symbols instead of an m ... looks a bit like a Kanji. * drm/i915 hang: GPU HANG: ecode 7:0:0x86d2bff9, in cinnamon [9300], reason: Ring hung, action: reset opened a new bug as advised https://bugs.freedesktop.org/show_bug.cgi?id=93279 several other hangs like that, reported only one * intelfb is dead switching to the console often leaves a black console Most of the time this happens after a suspend to ram and wake up, but not always. Let me know if there is anything else one might want to know Thanks Norbert ------------------------------------------------------------------------ PREINING, Norbert http://www.preining.info JAIST, Japan TeX Live & Debian Developer GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13 ------------------------------------------------------------------------ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/