From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Steigerwald Subject: Re: [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4) Date: Sun, 06 Nov 2016 18:50:35 +0100 Message-ID: <3497559.aJ1tu6dbOK@merkaba> References: <2656903.keIazZlQoI@merkaba> <20161106172515.59066c2a@mdontu-l> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20161106172515.59066c2a@mdontu-l> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mihai =?utf-8?B?RG9uyJt1?= Cc: Intel Gfx Mailing List , Linus Torvalds , Linux Kernel Mailing List List-Id: intel-gfx@lists.freedesktop.org QW0gU29ubnRhZywgNi4gTm92ZW1iZXIgMjAxNiwgMTc6MjU6MTUgQ0VUIHNjaHJpZWIgTWloYWkg RG9uyJt1Ogo+IE9uIFN1biwgMDYgTm92IDIwMTYgMTU6NDg6MzYgKzAxMDAgTWFydGluIFN0ZWln ZXJ3YWxkIHdyb3RlOgo+ID4gSGkuCj4gPiAKPiA+IEFtIFNhbXN0YWcsIDUuIE5vdmVtYmVyIDIw MTYsIDE2OjQ2OjMzIENFVCBzY2hyaWViIExpbnVzIFRvcnZhbGRzOgo+ID4gPiBTbyBpdCdzIG9u Y2UgYWdhaW4gYSBTYXR1cmRheSBhZnRlcm5vb24gcmF0aGVyIHRoYW4gU3VuZGF5LCB0aGlzIHRp bWUKPiA+ID4gYmVjYXVzZSBJIGZlbHQgdGhpcyByYyB3YXMgYWxyZWFkeSBiaWcgZW5vdWdoLgo+ ID4gCj4gPiBXaXRoIGtlcm5lbCA0LjktcmM0IEkgc2F3IGdmeCBjb3JydXB0aW9ucyBsaWtlCj4g PiAKPiA+IGh0dHBzOi8vbWFydGluLXN0ZWlnZXJ3YWxkLmRlL3RtcC9kaXNwbGF5LWlzc3Vlcy13 aXRoLWtlcm5lbC00LjktcmM0LnBuZwo+ID4gCj4gPiBpbiBLb252ZXJzYXRpb24sIEtvbnNvbGUs IEFrcmVnYXRvciBhbmQgb3RoZXIgS0RFL1F0IHJlbGF0ZWQgYXBwcyB1cCB0bwo+ID4gdGhlCj4g PiBwb2ludCBvZiBub3QgYmVpbmcgYWJsZSB0byB1c2UgdGhlc2UgYXBwbGljYXRpb25zIGluIGEg bWVhbmluZ2Z1bCB3YXkuCj4gPiAKPiA+IEkgZmlyc3QgdGhvdWdodCB0aGlzIG1pZ2h0IGJlIGR1 ZSB0byB1cGdyYWRpbmcgUXQgZnJvbSA1LjYuMSB0byA1LjcuMSwgeWV0Cj4gPiBhZnRlciByZWJv b3RpbmcgaW50byA0LjggTGludXgga2VybmVsIGFzIHBhY2thZ2VkIGluIERlYmlhbiBJIHNhdyBu byBnZngKPiA+IGdsaXRjaGVzIGxpa2UgdGhhdCBhbnltb3JlLgo+ID4gCj4gPiBBbnl0aGluZyBr bm93biBhYm91dCB0aGlzPwo+IAo+IGh0dHBzOi8vYnVnemlsbGEua2VybmVsLm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9MTc3NzAxCj4gCj4gVGhlIHByb3Bvc2VkIHBhdGNoIGFwcGVhcnMgdG8gYmU6Cj4g aHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3BhdGNoLzExNjgwOC8KPiAKPiBIYXZl IG5vdCB0ZXN0ZWQgaXQgeWV0LgoKVGhpcyBwYXRjaCBkb2VzIG5vdCBmaXggdGhlIGlzc3VlIGZv ciBtZS4gU3RpbGwgdGhlIHNhbWUgZ3JhcGhpY2FsIGdsaXRjaGVzLgoKVGhhbmtzLApNYXJ0aW4K Cj4gPiBNYWNoaW5lIGlzIFRoaW5rUGFkIFQ1MjAgd2l0aCBTYW5keWJyaWRnZSBncmFwaGljcy4K PiA+IAo+ID4gS2VybmVsIGNvbXBpbGVkIHdpdGggRGViaWFuIGRpc3RybyBHQ0MgNiBidXQgdXNp bmcgbm8tcGllIG1ha2VmaWxlIHBhdGNoLgo+ID4gCj4gPiBOZXh0IHdlZWsgYW5kIHdlZWtlbmQg d2lsbCBiZSBwcmV0dHkgYnVzeSBhbmQgdGhpcyBpcyBhIHByb2R1Y3Rpb24KPiA+IG1hY2hpbmUs IHNvIGJpc2VjdGlvbiBvciBhbnkgb3RoZXIgdGltZS1jb25zdW1pbmcgd29yayBvbiB0aGlzIGlz IG91dCBvZgo+ID4gcXVlc3Rpb24gZm9yIG1lLiBJIGNhbiBwcm92aWRlIGFkZGl0aW9uYWwgZGV0 YWlscyBpbiBjYXNlIHRoZXkgYXJlIGVhc3kKPiA+IGFuZCBxdWljayBlbm91Z2ggdG8gb2J0YWlu Lgo+ID4gCj4gPiAKPiA+IFN5c3RlbSBpbmZvcm1hdGlvbiAobm93IGJhY2sgb24gNC44IGtlcm5l bCk6Cj4gPiAKPiA+ICMgcGhvcm9uaXgtdGVzdC1zdWl0ZSBzeXN0ZW0taW5mbwo+ID4gCj4gPiBQ aG9yb25peCBUZXN0IFN1aXRlIHY1LjIuMQo+ID4gU3lzdGVtIEluZm9ybWF0aW9uCj4gPiAKPiA+ IEhhcmR3YXJlOgo+ID4gUHJvY2Vzc29yOiBJbnRlbCBDb3JlIGk1LTI1MjBNIEAgMy4yMEdIeiAo NCBDb3JlcyksIE1vdGhlcmJvYXJkOiBMRU5PVk8KPiA+IDQyNDMzV0csIENoaXBzZXQ6IEludGVs IDJuZCBHZW5lcmF0aW9uIENvcmUgRmFtaWx5IERSQU0sIE1lbW9yeTogMTYzODRNQiwKPiA+IERp c2s6IDMwMEdCIElOVEVMIFNTRFNBMkNXMzAgKyA0ODBHQiBDcnVjaWFsX0NUNDgwTTUwLCBHcmFw aGljczogSW50ZWwgMm5kCj4gPiBHZW5lcmF0aW9uIENvcmUgRmFtaWx5IElHUCwgQXVkaW86IENv bmV4YW50IENYMjA1OTAsIE1vbml0b3I6IFAyNFQtNyBMRUQsCj4gPiBOZXR3b3JrOiBJbnRlbCA4 MjU3OUxNIEdpZ2FiaXQgQ29ubmVjdGlvbiArIEludGVsIENlbnRyaW5vIEFkdmFuY2VkLU4gNjIw NQo+ID4gCj4gPiBTb2Z0d2FyZToKPiA+IE9TOiBEZWJpYW4gdW5zdGFibGUsIEtlcm5lbDogNC44 LjAtMS1hbWQ2NCAoeDg2XzY0KSwgRGVza3RvcDogS0RFCj4gPiBGcmFtZXdvcmtzIDUsIERpc3Bs YXkgU2VydmVyOiBYIFNlcnZlciAxLjE4LjQsIERpc3BsYXkgRHJpdmVyOgo+ID4gbW9kZXNldHRp bmcgMS4xOC40LCBPcGVuR0w6IDMuMyBNZXNhIDEyLjAuMywgQ29tcGlsZXI6IEdDQyA2LjIuMAo+ ID4gMjAxNjExMDMsIEZpbGUtU3lzdGVtOiBidHJmcywgU2NyZWVuIFJlc29sdXRpb246IDM4NDB4 MTA4MAo+ID4gCj4gPiAKPiA+ICMgYXB0LXNob3ctdmVyc2lvbnMgfCBlZ3JlcAo+ID4gIihebGli Z2wxLW1lc2EtZHJpfF5saWJkcm0taW50ZWwxfHhzZXJ2ZXIteG9yZy0KPiA+IGNvcmUpIiB8IGdy ZXAgYW1kNjQKPiA+IGxpYmRybS1pbnRlbDE6YW1kNjQvc2lkIDIuNC43MS0xIHVwdG9kYXRlCj4g PiBsaWJnbDEtbWVzYS1kcmk6YW1kNjQvc2lkIDEyLjAuMy0zIHVwdG9kYXRlCj4gPiB4c2VydmVy LXhvcmctY29yZTphbWQ2NC9zaWQgMjoxLjE4LjQtMiB1cHRvZGF0ZQo+ID4gCj4gPiAKPiA+IEV4 Y2VycHQgb2YgZ2x4aW5mbzoKPiA+IAo+ID4gRXh0ZW5kZWQgcmVuZGVyZXIgaW5mbyAoR0xYX01F U0FfcXVlcnlfcmVuZGVyZXIpOgo+ID4gICAgIFZlbmRvcjogSW50ZWwgT3BlbiBTb3VyY2UgVGVj aG5vbG9neSBDZW50ZXIgKDB4ODA4NikKPiA+ICAgICBEZXZpY2U6IE1lc2EgRFJJIEludGVsKFIp IFNhbmR5YnJpZGdlIE1vYmlsZSAgKDB4MTI2KQo+ID4gICAgIFZlcnNpb246IDEyLjAuMwo+ID4g ICAgIEFjY2VsZXJhdGVkOiB5ZXMKPiA+ICAgICBWaWRlbyBtZW1vcnk6IDE1MzZNQgo+ID4gICAg IFVuaWZpZWQgbWVtb3J5OiB5ZXMKPiA+ICAgICBQcmVmZXJyZWQgcHJvZmlsZTogY29yZSAoMHgx KQo+ID4gICAgIE1heCBjb3JlIHByb2ZpbGUgdmVyc2lvbjogMy4zCj4gPiAgICAgTWF4IGNvbXBh dCBwcm9maWxlIHZlcnNpb246IDMuMAo+ID4gICAgIE1heCBHTEVTMSBwcm9maWxlIHZlcnNpb246 IDEuMQo+ID4gICAgIE1heCBHTEVTWzIzXSBwcm9maWxlIHZlcnNpb246IDMuMAo+ID4gCj4gPiBY Lm9yZyBydW5zIHdpdGggbW9kZXNldHRpbmcgZHJpdmVyIChkZWZhdWx0IHdhcyBjaGFuZ2VkIGlu IERlYmlhbiBTaWQgYQo+ID4gd2hpbGUgYmFjaykuCgoKLS0gCk1hcnRpbgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751543AbcKFRum convert rfc822-to-8bit (ORCPT ); Sun, 6 Nov 2016 12:50:42 -0500 Received: from mondschein.lichtvoll.de ([194.150.191.11]:42735 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750995AbcKFRul (ORCPT ); Sun, 6 Nov 2016 12:50:41 -0500 From: Martin Steigerwald To: Mihai =?utf-8?B?RG9uyJt1?= Cc: Linus Torvalds , Linux Kernel Mailing List , Intel Gfx Mailing List Subject: Re: [REGRESSION] Linux 4.9-rc4: gfx glitches on Intel Sandybridge (was: Re: Linux 4.9-rc4) Date: Sun, 06 Nov 2016 18:50:35 +0100 Message-ID: <3497559.aJ1tu6dbOK@merkaba> User-Agent: KMail/5.2.3 (Linux/4.8.0-1-amd64; KDE/5.27.0; x86_64; ; ) In-Reply-To: <20161106172515.59066c2a@mdontu-l> References: <2656903.keIazZlQoI@merkaba> <20161106172515.59066c2a@mdontu-l> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Sonntag, 6. November 2016, 17:25:15 CET schrieb Mihai Donțu: > On Sun, 06 Nov 2016 15:48:36 +0100 Martin Steigerwald wrote: > > Hi. > > > > Am Samstag, 5. November 2016, 16:46:33 CET schrieb Linus Torvalds: > > > So it's once again a Saturday afternoon rather than Sunday, this time > > > because I felt this rc was already big enough. > > > > With kernel 4.9-rc4 I saw gfx corruptions like > > > > https://martin-steigerwald.de/tmp/display-issues-with-kernel-4.9-rc4.png > > > > in Konversation, Konsole, Akregator and other KDE/Qt related apps up to > > the > > point of not being able to use these applications in a meaningful way. > > > > I first thought this might be due to upgrading Qt from 5.6.1 to 5.7.1, yet > > after rebooting into 4.8 Linux kernel as packaged in Debian I saw no gfx > > glitches like that anymore. > > > > Anything known about this? > > https://bugzilla.kernel.org/show_bug.cgi?id=177701 > > The proposed patch appears to be: > https://patchwork.freedesktop.org/patch/116808/ > > Have not tested it yet. This patch does not fix the issue for me. Still the same graphical glitches. Thanks, Martin > > Machine is ThinkPad T520 with Sandybridge graphics. > > > > Kernel compiled with Debian distro GCC 6 but using no-pie makefile patch. > > > > Next week and weekend will be pretty busy and this is a production > > machine, so bisection or any other time-consuming work on this is out of > > question for me. I can provide additional details in case they are easy > > and quick enough to obtain. > > > > > > System information (now back on 4.8 kernel): > > > > # phoronix-test-suite system-info > > > > Phoronix Test Suite v5.2.1 > > System Information > > > > Hardware: > > Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO > > 42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, > > Disk: 300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics: Intel 2nd > > Generation Core Family IGP, Audio: Conexant CX20590, Monitor: P24T-7 LED, > > Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205 > > > > Software: > > OS: Debian unstable, Kernel: 4.8.0-1-amd64 (x86_64), Desktop: KDE > > Frameworks 5, Display Server: X Server 1.18.4, Display Driver: > > modesetting 1.18.4, OpenGL: 3.3 Mesa 12.0.3, Compiler: GCC 6.2.0 > > 20161103, File-System: btrfs, Screen Resolution: 3840x1080 > > > > > > # apt-show-versions | egrep > > "(^libgl1-mesa-dri|^libdrm-intel1|xserver-xorg- > > core)" | grep amd64 > > libdrm-intel1:amd64/sid 2.4.71-1 uptodate > > libgl1-mesa-dri:amd64/sid 12.0.3-3 uptodate > > xserver-xorg-core:amd64/sid 2:1.18.4-2 uptodate > > > > > > Excerpt of glxinfo: > > > > Extended renderer info (GLX_MESA_query_renderer): > > Vendor: Intel Open Source Technology Center (0x8086) > > Device: Mesa DRI Intel(R) Sandybridge Mobile (0x126) > > Version: 12.0.3 > > Accelerated: yes > > Video memory: 1536MB > > Unified memory: yes > > Preferred profile: core (0x1) > > Max core profile version: 3.3 > > Max compat profile version: 3.0 > > Max GLES1 profile version: 1.1 > > Max GLES[23] profile version: 3.0 > > > > X.org runs with modesetting driver (default was changed in Debian Sid a > > while back). -- Martin