UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10130) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 Example URL: and for sure. Steps to reproduce the problem: 1. Use various pages in Chrome (I have not found a reliable repro yet.) What is the expected behavior? Rendering is stable. What went wrong?
Chrome rendering becomes glitchy. Does it occur on multiple sites: Yes Is it a problem with a plugin? No Did this work before? Yes macOS 10.12 Does this work in other browsers? Yes Chrome version: 61.0.3163.100 Channel: stable OS Version: OS X 10.13.0 Flash Version: Shockwave Flash 27.0 r0 Problem is resolved by quitting and restarting Chrome, but will repro again later. Level of corruption is distinctly worse/different than the other 'flickering' issue. Attached screenshot was my Facebook feed.
Processing kbr@: Chrome Version 64.0.3259.0 (Official Build) canary (64-bit) OS X 10.13.2 Beta (17C60c) Launch flags: none (i.e. No -disable-gpu-rasterization) As a follow up to #102.
I have just experienced two problems: 1. Opening a new tab using Command+T caused the contents of the previously selected tab to be rendered in the new tab. No amount of refreshing etc fixed this 2.
An in-page video (much like those that appear to the right of a Twitter feed) is currently flickering badly on a page I've loaded Neither is reproducible on demand unfortunately. And I can't even be sure that, given #97, it isn't another application that's caused my machine to get into a 'bad state.' Processing Re #107, just had a repeat of problem 1 mentioned in my comment with Version 64.0.3260.0 (Official Build) canary (64-bit). But again, no way of reproducing the issue. Kbr@: are there any diagnostics I can run to tell what's gone wrong? What's caused my machine to get into a bad state?
It was totally unusable when it got into this state. But then shutting down both Chrome and VMWare Fusion (which causes my machine to switch back to the integrated graphics) fixed the issue, I was able to restart both and now back up and running just fine. Otherwise however, things seem much better per my other comments. Processing Re #109 (sorry for the noise, want to make sure however that my reports are current and accurate).
OS X 10.13.2 Beta (17C60c) Chrome Version 64.0.3260.0 (Official Build) canary (64-bit) GPU details attached Running with 'GPU Rasterization' as 'Default' Now seeing multiple glitches when running Chrome alongside VMWare Fusion (not sure which app causes the issues). Ultimately leads to machine becoming totally unusable, needing me to shutdown both apps (which causes machine to revert back to integrated graphics card) then restarting both I'm back in a good state until things go bad again. Running with 'GPU Rasterization' as 'Disabled' No glitches, and machine runs fine generally (i.e. VMWare Fusion runs just fine). But makes Chrome almost impossible to use because it slows down to a crawl with 5 tabs open.
So it seems Chrome, with 'GPU Rasterization' set to 'Default' (which I'm assuming is enabled) is sending my machine into a bad state (as opposed to any other program), which then causes my machine to grind to a halt. But for me, disabling 'GPU Rasterization' seemingly isn't really an option either. Processing Re #111 I don't think this is the place to discuss this. You will probably get better answers on forums/websites that focus on Mac OS X support (not this one) but I'm going to respond to you anyway.
A 2014 MacBook Pro with your specs should not feel sluggish on High Sierra. I'm working on one everyday (with Parallels.) There's probably something wrong with your setup.
Does your parallels VM hog all the resources? Do you have any (misbehaving) background processes or drivers hogging your resources? You could just do a clean reinstall of High Sierra. BTW, I do also have the rendering issue. I figured I just wait patiently for a fix to arrive.
Processing Hey paul@, good point - seems like one of these flags has a bad interaction with video on its own. Followed up with a coworker, and it sounds like we need one more flag.
Unfortunately this does require running from the command line: -disable-gpu-memory-buffer-video-frames So to summarize, the most valuable thing to test would be latest Canary with: -disable-native-gpu-memory-buffers -disable-zero-copy -disable-gpu-memory-buffer-video-frames If this works, I'll have to re-work the patch from #91. Also, if anyone else can try out this combination of three flags on the latest Canary, it would be really appreciated. Processing Re #121 - Thanks so much for the additional info Paul. I'll do some testing on Whatsapp's mobile site today and see if I can find a reliable way to trigger this issue. Re #120 - We've contacted Apple and they are aware of the issue. Unfortunately, they're having trouble reproducing the issue on their end (and I can only rarely reproduce the issue).
I'm hoping the Whatsapp scenario paul@ mentions in #121 proves to be a reliable repro, but if anyone else has a set of sites or actions which reliably cause visual corruption on the latest Canary, please let me know. Processing Re #123: you never experienced these system-wide slow-down issues when running with -disable-gpu-rasterization on latest Canary, right?
Just retested with just '-disable-gpu-rasterization'. Chrome is unusable for me in this configuration; it's sluggish between tabs, within tabs, switch to/from Chrome and other apps. So whilst the other apps might themselves be ok, Chrome basically kills my machine with '-disable-gpu-rasterization' alone. Restarting Chrome and reverting to the setup as reported in #121, all is good again. Processing Re #121: I had another instance of the shadow tabs thing in Version 64.0.3262.0 after stopping screen sharing in a Google Hangout session in my second Chrome profile (then switching windows back to my main Chrome profile). Processing With the change in #128, we've moved to a mode where GPU raster is disabled but accelerated canvas is enabled.
This will improve performance over M62. This may introduce rendering glitches in some Canvas cases.
This trade off seemed preferable to to the performance hits we were seeing. We're going to let this change soak on Canary over the weekend. If things seem good, we'd like to merge to M63 on Monday.
Re #129 - I think we're backing off of that line of investigation, as blacklisting GPU memory buffers didn't seem to fix issues for all users. Processing Re #132; Ericrk@ - if I run Canary as normal things get very sluggish when the discrete graphics card is in use. For example, cycling between tabs using Cmd+Alt+Left/Right there is a very noticeable lag. Contrast when I run with '-disable-native-gpu-memory-buffers -disable-zero-copy -disable-gpu-memory-buffer-video-frames', everything is much snappier.
So for me, running Canary with no flags is not an option right now. Seemingly whatever defaults are set is not the same as the '-disable-native-gpu-memory-buffers -disable-zero-copy -disable-gpu-memory-buffer-video-frames' flag combination.
Processing To summarize the merge justificaiton: In M62, GPU Raster and Accelerated Canvas were blacklisted. Blacklisting accelerated canvas results in severe performance issues on common sites.
We were unable to find a better workaround as of now, so we decided to un-blacklist just Accelerated Canvas. This.may. result in some visual glitches, but this feels very preferable to common canvas sites not working at all. The change is a very small / safe change to our blacklisting rules that moves us from our M62 canvas behavior to our M61 canvas behavior. Both paths are in use on different machines and well tested.
Additionally, this has been in Canary for a number of days and no unexpected canvas related issues have been reported. Processing I've tried on three computers: - Linux with Chromium: appears to work as expected - macOS 10.13.2 with Chrome Version 61.0.3163.100 (Official Build) (64-bit): top right view looks good, but other views alternate frames flashing what appears to be solid red and the correct scene (but perhaps tinted red?) - macOS 10.13.2 with Safari: appears to render correctly but all views tinted red. It appears that my version of Chrome might be out of date so I'll try reinstalling and see if it helps - auto update is not working. Processing There have been several High Sierra point releases since this issue was first reported, but as far as I know nothing addressing the problem from Nvidia or Apple's end. While the UI rendering issues have been resolved by a Chromium patch, Chromium based apps now suffer from degraded performance on affected graphics cards due to the disabling of GPU rasterization. Specifically, I'm on a Mid-2012 MacBook Pro with an Nvidia GeForce 650M on High Sierra 10.13.3.
I'm seeing severely degraded UI performance in Chrome Stable 64 and Canary 66 while scrolling, switching tabs, etc. I installed a clean copy of Sierra 10.12.6 and Chrome performance was snappy, as it always has been. I then installed a clean copy of High Sierra 10.13.3 and Chrome performance was once again degraded. I've opened a new bug report with Apple, see Here are the results of chrome://gpu from Chrome 64, Note: Rasterization: Software only, hardware acceleration unavailable Macs with NVidia GPUs experience rendering issues on High Sierra: 773705 Disabled Features: gpurasterization Not sure where to go from here. Processing I can confirm the same behaviour, but with AMD GPU. My setup is: MacBook Pro Retina 15' Mid2015 macOS 10.13.3 (17D47) 2,8 GHz Intel Core i7 16 GB 1600 MHz DDR3 AMD Radeon R9 M370X 2 GB Intel Iris Pro 1536 MB Google Chrome 64.0.3282.140 I experienced this issue only when external monitors are attached, so I guess the Intel Iris works fine when rendering just one monitor. After connecting other monitors (graphics card switch), the degraded performance is instantly noticeable.
It seems only to be on Chrome though, as rendering the same websites in Firefox or Safari works just fine. Also, I cannot confirm the issue in the electron apps like Slack, which is still working as normal. The issues started after recent upgrades, maybe either macOS 10.13.2 = 10.13.3 or Chrome 63 = 64.
I did both updates around the same time, so I don't really know which one caused it. Processing Tested this on Mac OS 10.13.3 on chrome version: 67.0.3396.18 to check if the recent CL in C#193 has not broken anything. Tried verifying as per the steps mentioned in comment# 33. As per the provided screencast tried to download the menu bar application from URL:, while installing the application it is showing the warning message like: 'You are using a system that gfxCardStatus does not support.
Please ensure that you are using a MacBook Pro with dual GPUs'. Since dual GPU is not available hence unable to check the steps from C#33. @Christopher Cameron: Could you please confirm if any alternate steps to help us in verifying the latest CL.
Bonnier Corporation Privacy Policy This policy was last updated on May 16, 2018. At Bonnier Corporation, your privacy is important to us. This Privacy Policy applies to all of the products, services, and websites offered by Bonnier Corporation and its subsidiaries or affiliated companies (collectively, 'Bonnier'). To better protect your privacy, we provide this notice explaining our privacy practices and the choices you can make about the way your information is collected and used by Bonnier. Bonnier acts as a “data controller” for the purposes of the EU’s General Data Protection Regulation.
Bonnier has appointed a Data Protection Officer for you to contact if you have any questions or concerns about Bonnier’s personal data policies or practices. The Data Protection Officer’s contact information is as follows: Jeremy Thompson, General Counsel Bonnier Corporation 460 N.
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Note: For questions related to your magazine subscription, please visit the respective magazine’s customer service website. An overview of the information that Bonnier may collect You are able to take advantage of many Bonnier products, services, and websites without providing any information that personally identifies you by name, address, or other personally-identifying information. We only collect personally-identifying information when you voluntarily submit it to us. Sometimes, we need personally-identifying information in order to provide you with the products and services that you request.
Depending upon the product or service, we may ask you for a variety of personally-identifying information. This might include, for example, your name, address, e-mail address, telephone number, gender, and birth date. We may also ask for other information about you, such as your credit card information (when you are making a purchase), interests, income, or education level.
We consider certain identifying information 'sensitive.' This includes your credit card number, income level, or any other information that would normally be considered confidential. Some types of personal information will NEVER be requested or collected, such as information on your race or ethnic origin, political opinions, trade union memberships, religious beliefs, health, sex life, or sexual orientation. You may choose not to provide us with any personally-identifying information. In that case, you can still access and use many portions of our websites; however, you will not be able to access and use those portions of any Bonnier website that require your personal information.
Many Bonnier websites include community features, such as online forums and message boards. Information that is posted in these areas becomes public information and the use that any third party makes of this information is beyond our ability to control. You should exercise caution before disclosing any personally-identifying information in these public venues. If you elect to submit content that includes information that can be used to identify you, you must assume that the content can and will be displayed on any website on the Internet.
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If a third-party sponsor beyond our control will obtain information that you supply us, we will notify you at the time we collect the information from you. For certain promotions, only those who provide us with the requested personally-identifying information will be able to order products, programs, and services, or otherwise participate in the promotion's activities and offerings. Some of our websites contain links to other sites. By clicking on these links, you will leave the website operated by Bonnier and this Privacy Policy will no longer apply. These other sites' information practices may be different than ours. You should consult the other sites' privacy notices, as we have no control over information that is submitted to, or collected by, these third parties.
How we use the information we collect We use the personally-identifying information that you provide us to fulfill your requests for our products, programs, and services, to respond to your inquiries about offerings, and to offer you other products, programs, or services that we believe may be of interest to you. We sometimes use this information to communicate with you, such as to notify you when you have won one of our contests, when we make changes to subscriber agreements, to fulfill a request by you for an online newsletter, or to contact you about your account with us. We do not use your personal information to make automated decisions. We may syndicate the publicly available content of our community areas to unaffiliated third-party websites, using RSS or other technologies.
The information you have shared in the community areas may be included in this syndication. We will use the personally-identifying information that you provide about others in order to provide the products or services that you have requested; for example, to enable us to send them your gifts or cards. If you provide us someone else's personally-identifying information for referral purposes, we may use that information to invite them to visit our websites or to provide them information about our products or services. If you provide us with your e-mail and/or postal address, we may include that address in e-mail and/or postal address lists that we sell, trade, or rent to third parties. These lists will never contain sensitive information. If you do not wish for your e-mail or postal address to be shared with companies not owned by Bonnier who want to market products or services to you, you have the opportunity to opt out, as described below.
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Bonnier only collects personal information that is relevant to the purposes for which it will be used. Though we do take appropriate steps to review and update the information that we store to ensure that it is accurate, complete, and current, we also depend on you to update or correct your personal information when necessary. You may correct or delete any or all of the personal information you have provided to us at any time.
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We only want to communicate with you if you want to hear from us. If you prefer not to be contacted at all, you may opt out of receiving any communications from us at any time by notifying us at.
You may also notify us by sending mail to the following address: Online Marketing Department Attn: Privacy Preferences Bonnier Corporation 460 North Orlando Avenue, Suite 200 Winter Park, FL 32789 In all requests, please tell us what communications you would like to opt out of, what means we have been using to contact you (such as your e-mail or postal address), the date of your request, and a way to reach you in case we need to personally contact you in an effort to comply with your request. We reserve the right to send you certain communications, such as technical alerts, without offering you the opportunity to opt out of receiving them. Enforcement and Compliance with this Privacy Policy We take our Privacy Policy seriously and we regularly review our own compliance with this Policy. If you have any questions or concerns about this Policy, or if you think that we have used your personal information in a manner inconsistent with this Policy, please contact us at: Privacy Department Bonnier Corporation 460 North Orlando Ave., Suite 200 Winter Park, FL 32789 If we receive a complaint from you, we will contact you in an attempt to address your concerns. If we are not able to resolve a complaint, we will participate in appropriate independent recourse mechanisms as necessary.
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