User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 Build ID: 20160916101415 Steps to reproduce: After updating to 49 Just start Firefox and browse web Actual results: glyphs, artefacts on web pages

That sounds like a graphics issue. Type about:support in the location bar and copy here the section 'graphics'. In addition, could you test with HWA disabled (restart FF to apply): https://support.mozilla.org/en-US/kb/forum-response-disable-hardware-acceleration

after disabling HWA all is ok, no artefacts.

I know some patches about improve HWA have been pushed into FF49. Dawid, could you provide the model name of your CPU/GPU?

Laptop Lenovo ThinkPad T61 Windows 7 Ultimate (64bit) SP1 CPU: Intel Core Duo T7300 @2,00 Ghz GPU: Mobile Intel 965 Express chipset family (GMA X3100)

Thank you. I checked and it seems you have the latest EOLed drivers installed. https://downloadcenter.intel.com/download/18228/Intel-Graphics-Media-Accelerator-Driver-for-Windows-7-64-exe-?product=81508 If you have some time, could you download the tool Mozregression to narrow down a regression range in FF49, it would help a lot to find the offending bug. See http://mozilla.github.io/mozregression/ for details. You can run the commande "mozregression --good=48 (or 47)", then copy here the final pushlog from the mozilla-inbound repository.

i dont have experience with this program. Last output from it: 32:09.09 INFO: Narrowed inbound regression window from [a31ebd5b, 77d8a27b] (3 r evisions) to [8d62ba5d, 77d8a27b] (2 revisions) (~1 steps left) 32:09.09 INFO: Oh noes, no (more) inbound revisions :( 32:09.09 INFO: Last good revision: 8d62ba5ddb0b41ee4310454c73c5f44384690f37 32:09.09 INFO: First bad revision: 77d8a27b5515b77caa0d4d79641806662638bf32 32:09.09 INFO: Pushlog: https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=8d62ba 5ddb0b41ee4310454c73c5f44384690f37&tochange=77d8a27b5515b77caa0d4d79641806662638 bf32 32:10.32 INFO: Looks like the following bug has the changes which introduced the regression: https://bugzilla.mozilla.org/show_bug.cgi?id=1262187 C:\>

Thank you, that's helpful. Milan, is it the expected behavior after your patch in bug 1262187?

Expected, but not preferable :) Dawid, instead of outright disabling hardware acceleration, could you set layers.allow-d3d9-fallback preference (in about:config) to false, restart, and see if the problems are gone? If the problems are gone with that change, we will want to blocklist this configuration. With the bug 1262187, this configuration would have gone from not being accelerated, to being D3D9 accelerated, and there may be issues with that driver. George, if the answer comes back as yes, could you deal with the blocklisting? We will want the in-code version, but given this is 49, probably a downloadable one as well. This code may have changed since 49 though.

if layers.allow-d3d9-fallback is set to `false` there is no problem and scrolling is normal no artefacts.

Great, thanks Dawid. George, all you :)

Tracking 52+ for this graphics regression.

I think this should be sufficient. We only want to blocklist this exact driver version, and on Win7, right?

Comment on attachment 8793892 [details] [diff] [review] 0001-Bug-1304360-Add-Windows-7-w-Intel-8.15.10.1749-to-th.patch Review of attachment 8793892 [details] [diff] [review]: ----------------------------------------------------------------- This being Intel, should we use the driver build id, rather than version? Also, do we think it's just this version, or everything before it as well?

Tracked since this is a pretty bad issue.

Latest drivers (8.15.10.1930) from Intel works well, no artefacts on my Laptop.

I can see an argument for it going both ways. On the one hand, it sounds like from comment 9 that before the change that caused this regression, we were unaccelerated anyway, so forcibly blocklisting d3d9 on all intel driver versions up to and including this one wouldn't be a regression. That being said, I don't think we have any data that the previous versions are busted, so I can see an argument to only blocklist this one. That was my original thinking. I think given that this was always unaccelerated before, I'm now leaning towards the other option.

I have the same problem with ancient nvidia card. Seems last line is repeating instead of drawing the next one.

Same chipset in the dupe bug, see about:support https://bugzilla.mozilla.org/show_bug.cgi?id=1305146#c3

Block all prior drivers too.

Oops, should be LESS_THAN_OR_EQUAL not just LESS_THAN.

Comment on attachment 8794983 [details] [diff] [review] 0001-Bug-1304360-Add-Windows-7-w-Intel-drivers-less-than-.patch Review of attachment 8794983 [details] [diff] [review]: ----------------------------------------------------------------- Looks good. Let's consider blocking the combo from comment 20 if we find a version of the driver that fixes it.

(In reply to Armands Liepins from comment #20) > Created attachment 8794500 [details] > about_support.txt Armands, is there a newer driver that fixes the problem for you? If we are going to block the old version, we would want to know if there is a version without the problem.

We may want to consider a downloadable blocklist for this, except we probably couldn't use the build id for 49.

these are the gpu specifications of users reporting on sumo about the exact same issue (vertical tear) & they are all on older hardware as well in case you want to include them in a block-listing entry: adapterDescription: ATI Mobility Radeon X2300 adapterDeviceID: 0x7188 adapterSubsysID: 30c1103c adapterVendorID: 0x1002 driverDate: 12-1-2008 driverVersion: 8.561.0.0 https://support.mozilla.org/en-US/questions/1140847 adapterDescription: Intel(R) G41 Express Chipset adapterDeviceID: 0x2e32 adapterSubsysID: 04001028 adapterVendorID: 0x8086 driverDate: 7-19-2010 driverVersion: 8.15.10.2182 https://support.mozilla.org/en-US/questions/1140716 https://support.mozilla.org/en-US/questions/1140832 adapterDescription: Mobile Intel(R) 965 Express Chipset Family (Microsoft Corporation - WDDM 1.1) adapterDeviceID: 0x2a02 adapterSubsysID: 022f1028 adapterVendorID: 0x8086 driverDate: 5-6-2009 driverVersion: 8.15.10.1749 https://support.mozilla.org/en-US/questions/1140618 adapterDescription: Mobile Intel(R) 965 Express Chipset Family adapterDeviceID: 0x2a02 adapterSubsysID: 30cc103c adapterVendorID: 0x8086 driverDate: 2-26-2009 driverVersion: 7.15.10.1666 https://support.mozilla.org/en-US/questions/1140847

Pushed by gwright@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/fa29485efec0 Add Windows 7 w/Intel drivers less than or equal to build ID 1749 to the blocklist for D3D9 layers r=milan

Filed bug 1305833 for the downloadable blocklist entry.

So, the user here: https://support.mozilla.org/en-US/questions/1140832 seems to be running into the same problem (was basic, now fails D3D11, fallback to D3D9 has issues), but has version 8.15.10.2182, so the above entry wouldn't catch it as we're looking for build id 1749. Jeff, Bas, should we just disallow D3D9 fallback by default (e.g., partially undo bug 1262187)?

(In reply to Milan Sreckovic [:milan] from comment #32) > So, the user here: https://support.mozilla.org/en-US/questions/1140832 seems > to be running into the same problem (was basic, now fails D3D11, fallback > to D3D9 has issues), but has version 8.15.10.2182, so the above entry > wouldn't catch it as we're looking for build id 1749. > > Jeff, Bas, should we just disallow D3D9 fallback by default (e.g., partially > undo bug 1262187)? Never been a big fan of D3D9 fallback but accelerated video is pretty important. I'm not sure, I wasn't very involved in the actual decision making process behind bug 1262187 so I'm not sure what the considerations initially were.

In bug 1304711, same issue with the Intel(R) G41 Express Chipset. See https://bugzilla.mozilla.org/show_bug.cgi?id=1304711#c3 for the log "about:support>graphics".

Hi Milan, George, should we uplift this fix to Beta50 and Aurora51?

May want to go beyond this, and just disable the D3D9 fallback, except that would impact video a great deal. Anthony, need your take on this. What would disabling D3D9 fallback mean for video?

In the meantime - George, can you get us a 49 and 50 patches that disable D3D9 fallback by default?

Filed bug 1306465 to track that.

(In reply to Milan Sreckovic [:milan] from comment #38) > May want to go beyond this, and just disable the D3D9 fallback, except that > would impact video a great deal. Anthony, need your take on this. What > would disabling D3D9 fallback mean for video? Actually, in this particular case, HW video decoding is already blocked.

Dawid, would it be possible for you to attach the snapshot of the first section (Application Basics) in about:support? I'm interested in the "Multiprocess Windows" setting. If that has 1 as the first number, could you go to about:config, set browser.tabs.remote.autostart.2 to false, restart Firefox and see if the problem is still there, with acceleration?

I'm not super worried about the effect on video playback. Early Intel drivers are blacklisted for decode anyway and basic layers is performing a lot better these days. The main downside for most users is probably fan noise.

Hello, I'm a SUMO forum & social media contributor. I realize the bug is marked fixed but wanted to share some of the about:support graphics cards section with you to give you more data to work with if you decide to blacklist more cards. https://support.mozilla.org/en-US/questions/1141045#answer-922508 Description: Mobile Intel(R) 4 Series Express Chipset Family Vendor ID: 0x8086 Device ID: 0x2a42 Driver Version: 7.15.10.1670 Driver Date: 3-3-2009 Diagnostics AzureCanvasAccelerated: 0 AzureCanvasBackend: skia AzureContentBackend: cairo AzureFallbackCanvasBackend: cairo failures: [GFX1]: D3D11 device creation failed: 0x887a0004 Decision Log D3D11_COMPOSITING: failed by runtime: Failed to acquire a D3D11 device DIRECT2D: Blocklisted; failure code BLOCKLIST_FEATURE_FAILURE_DL_BLACKLIST_g984 D3D11_HW_ANGLE: disabled by env: D3D11 compositing is disabled Failure Log (#0) Assert: D3D11 device creation failed: 0x887a0004 And 2 Facebook users using Radeon cards: Description Radeon X1300/X1550 Series (Microsoft Corporation - WDDM) Vendor ID 0x1002 Device ID 0x7183 Driver Version 8.56.1.16 Driver Date 4-25-2009 Beskrivelse Radeon X1650 Series Producent-ID 0x1002 Enheds-ID 0x7291 Driver-version 8.593.100.0 Driver-dato 2-10-2010

Thanks Noah - since you're running into this problem, could you verify if setting layers.allow-d3d9-fallback to false (in about:support) and restarting makes the problem go away?

Noah, are you able to verify that flipping the pref fixes this issue?

(In reply to Milan Sreckovic [:milan] from comment #27) > Armands, is there a newer driver that fixes the problem for you? If we are > going to block the old version, we would want to know if there is a version > without the problem. No newer driver for this card. Even current driver is actually Vista driver.

Hi, coming from duplicate 1310347...same problem with an ATI Mobility Radeon X1600, on a HP Compaq nc8430. Setting layers.allow-d3d9-fallback to false fixed the problem for me too. Excerpt from about:config (before disabling layers.allow-d3d9-fallback) : Paramètres de base de l’application ----------------------------------- Nom: Firefox Version: 49.0.1 Identifiant de compilation: 20160922113459 Canal de mise à jour: release Agent utilisateur: Mozilla/5.0 (Windows NT 6.1; rv:49.0) Gecko/20100101 Firefox/49.0 Système d’exploitation: Windows_NT 6.1 Fenêtres multi-processus: 1/1 (Activé par défaut) Mode sans échec: false Accélération graphique ---------------------- Fonctionnalités Composition: Direct3D 9 Zoom/Panoramique asynchrones: entrée molette activée Rendu WebGL: Google Inc. -- ANGLE (ATI Mobility Radeon X1600 Direct3D9Ex vs_3_0 ps_3_0) Décodage matériel H264: No; Hardware video decoding disabled or blacklisted DirectWrite: false (6.2.9200.21976) GPU 1 Actif: Oui Description: ATI Mobility Radeon X1600 ID du vendeur: 0x1002 ID du périphérique: 0x71c5 Version du pilote: 8.593.0.0 Date du pilote: 3-12-2009 Pilotes: atiumdag atiumdva atitmmxx ID du sous-système: 30a3103c RAM: Unknown Diagnostics AzureCanvasAccelerated: 0 AzureCanvasBackend: skia AzureContentBackend: cairo AzureFallbackCanvasBackend: cairo failures: [GFX1-]: [D3D11] create component blender failed: 0x80070057, 0 Journal des décisions DIRECT2D: failed by runtime: Direct3D11 device does not support texture sharing D3D11_HW_ANGLE: broken by runtime: RenderTargetViews need recreating Journal des échecs (#0) Error: [D3D11] create component blender failed: 0x80070057, 0 (#1) Error: [D3D11] create component blender failed: 0x80070057, 0 (#2) Error: [D3D11] create component blender failed: 0x80070057, 0 Préférences modifiées importantes --------------------------------- accessibility.typeaheadfind.flashBar: 0 browser.cache.disk.capacity: 317440 browser.cache.disk.filesystem_reported: 1 browser.cache.disk.hashstats_reported: 1 browser.cache.disk.smart_size.first_run: false browser.cache.disk.smart_size.use_old_max: false browser.cache.frecency_experiment: 4 browser.download.importedFromSqlite: true browser.download.useDownloadDir: false browser.places.smartBookmarksVersion: 8 browser.search.suggest.enabled: false browser.sessionstore.upgradeBackup.latestBuildID: 20160922113459 browser.startup.homepage_override.buildID: 20160922113459 browser.startup.homepage_override.mstone: 49.0.1 browser.tabs.remote.autostart.2: true dom.apps.lastUpdate.buildID: 20160922113459 dom.apps.lastUpdate.mstone: 49.0.1 dom.apps.reset-permissions: true dom.mozApps.used: true extensions.lastAppVersion: 49.0.1 font.internaluseonly.changed: true gfx.crash-guard.d3d11layers.appVersion: 49.0.1 gfx.crash-guard.d3d11layers.deviceID: 0x71c5 gfx.crash-guard.d3d11layers.driverVersion: 8.593.0.0 gfx.crash-guard.d3d11layers.feature-d2d: true gfx.crash-guard.d3d11layers.feature-d3d11: true gfx.crash-guard.status.d3d11layers: 2 gfx.driver-init.appVersion: 42.0 gfx.driver-init.deviceID: 0x71c5 gfx.driver-init.driverVersion: 8.593.0.0 gfx.driver-init.feature-d2d: false gfx.driver-init.feature-d3d11: false gfx.driver-init.status: 2 media.gmp-eme-adobe.abi: x86-msvc-x86 media.gmp-eme-adobe.lastUpdate: 1462531464 media.gmp-eme-adobe.version: 17 media.gmp-gmpopenh264.abi: x86-msvc-x86 media.gmp-gmpopenh264.lastUpdate: 1471470053 media.gmp-gmpopenh264.version: 1.6 media.gmp-manager.buildID: 20160922113459 media.gmp-manager.lastCheck: 1476480689 media.gmp-widevinecdm.abi: x86-msvc-x86 media.gmp-widevinecdm.lastUpdate: 1476480694 media.gmp-widevinecdm.version: 1.4.8.903 media.gmp.storage.version.observed: 1 media.hardware-video-decoding.failed: false media.youtube-ua.override.to: 43 network.auth.allow-subresource-auth: 2 network.cookie.prefsMigrated: true network.predictor.cleaned-up: true places.database.lastMaintenance: 1476526608 places.history.expiration.transient_current_max_pages: 34897 plugin.disable_full_page_plugin_for_types: application/pdf plugin.importedState: true privacy.cpd.offlineApps: true privacy.cpd.siteSettings: true privacy.sanitize.migrateClearSavedPwdsOnExit: true privacy.sanitize.migrateFx3Prefs: true services.sync.declinedEngines: storage.vacuum.last.index: 1 storage.vacuum.last.places.sqlite: 1475868591

(In reply to Milan Sreckovic [:milan] from comment #45) > Thanks Noah - since you're running into this problem, could you verify if > setting layers.allow-d3d9-fallback to false (in about:support) and > restarting makes the problem go away? (In reply to Liz Henry (:lizzard) (needinfo? me) from comment #46) > Noah, are you able to verify that flipping the pref fixes this issue? Hi Milan & Liz, sorry to leave you both hanging. I never forgot about this bug but I was not the one who was suffering from this issue. I gathered these reports from affected users thru my volunteer support work with SUMO. I was patiently waiting to hear back if flipping that pref worked here: https://support.mozilla.org/en-US/questions/1141045#answer-925457 But I doubt that user is going to reply. :/ Though JC in the previous comment says flipping that pref works for him. He has a Radeon card similar to the 2 affected Facebook users so I think we can say this will help more people than not.

We shipped a pref flip in a system add-on to fix this issue and its dupes/related bugs yesterday in bug 1309330.

Milan, is this still affecting 51? What state is 51 going to be in for beta? We did turn off d3d9 fallback for 50, in bug 1306465.

We will disable the fallback in all releases, in bug 1306689 (also see bug 1306465). Once bug 1309277 is fixed, we can try again, as there are some indications that deals with the issue.